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      <link:roleType roleURI="http://lxrp.com/role/CommonSharesAndWarrantsDetails" id="CommonSharesAndWarrantsDetails">
        <link:definition>000058 - Disclosure - Common Shares and Warrants (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/CommonSharesAndWarrantsDetails1" id="CommonSharesAndWarrantsDetails1">
        <link:definition>000059 - Disclosure - Common Shares and Warrants (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/CommonSharesWarrantsAndOptionsDetailNarrative" id="CommonSharesWarrantsAndOptionsDetailNarrative">
        <link:definition>000060 - Disclosure - Common Shares Warrants and Options (Detail Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/StockOptionsDetails" id="StockOptionsDetails">
        <link:definition>000061 - Disclosure - Stock Options (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/StockOptionsDetails1" id="StockOptionsDetails1">
        <link:definition>000062 - Disclosure - Stock Options (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/StockOptionsDetails2" id="StockOptionsDetails2">
        <link:definition>000063 - Disclosure - Stock Options (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/StockOptionsDetailNarrative" id="StockOptionsDetailNarrative">
        <link:definition>000064 - Disclosure - Stock Options (Detail Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/CommitmentsSignificantContractsAndContingenciesDetails" id="CommitmentsSignificantContractsAndContingenciesDetails">
        <link:definition>000065 - Disclosure - Commitments, Significant Contracts and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/CommitmentsSignificantContractsAndContingenciesDetails1" id="CommitmentsSignificantContractsAndContingenciesDetails1">
        <link:definition>000066 - Disclosure - Commitments, Significant Contracts and Contingencies (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/SegmentInformationDetails" id="SegmentInformationDetails">
        <link:definition>000067 - Disclosure - Segment Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/SegmentInformationDetails1" id="SegmentInformationDetails1">
        <link:definition>000068 - Disclosure - Segment Information (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://lxrp.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
        <link:definition>000069 - Disclosure - Subsequent Events (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="lxrp-20230831_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="lxrp-20230831_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="lxrp-20230831_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="lxrp-20230831_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://xbrl.sec.gov/country/2023" schemaLocation="https://xbrl.sec.gov/country/2023/country-2023.xsd" />
  <import namespace="http://xbrl.sec.gov/currency/2023" schemaLocation="https://xbrl.sec.gov/currency/2023/currency-2023.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <import namespace="http://xbrl.sec.gov/exch/2023" schemaLocation="https://xbrl.sec.gov/exch/2023/exch-2023.xsd" />
  <import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <import namespace="http://xbrl.sec.gov/naics/2023" schemaLocation="https://xbrl.sec.gov/naics/2023/naics-2023.xsd" />
  <import namespace="http://xbrl.sec.gov/sic/2023" schemaLocation="https://xbrl.sec.gov/sic/2023/sic-2023.xsd" />
  <import namespace="http://fasb.org/srt-roles/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-roles-2023.xsd" />
  <import namespace="http://fasb.org/srt-types/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-types-2023.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" />
  <import namespace="http://xbrl.sec.gov/stpr/2023" schemaLocation="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd" />
  <import namespace="http://fasb.org/us-roles/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd" />
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  <import namespace="http://fasb.org/srt/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd" />
  <import namespace="http://fasb.org/us-gaap/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd" />
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  <element id="lxrp_EarningsPerShareBasicAndDiluted1" name="EarningsPerShareBasicAndDiluted1" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_WeightedAverageNumberOfShareOutstandingBasicAndDiluted1" name="WeightedAverageNumberOfShareOutstandingBasicAndDiluted1" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_NoncashLeaseExpense" name="NoncashLeaseExpense" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_SharesIssuedForServices" name="SharesIssuedForServices" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LeaseAccretion" name="LeaseAccretion" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IncomeTaxesPaidReceived" name="IncomeTaxesPaidReceived" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_SharesSoldForCashShares" name="SharesSoldForCashShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_SharesSoldForCashAmount" name="SharesSoldForCashAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PrepaidExpensesAndOtherCurrentAssetsDisclosureTextBlock" name="PrepaidExpensesAndOtherCurrentAssetsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IntellectualPropertypoliciestextblock" name="IntellectualPropertypoliciestextblock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IntellectualpropertyexpensesPolicyTextblock" name="IntellectualpropertyexpensesPolicyTextblock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ConcentrationRiskCreditRiskPolicyTextblock" name="ConcentrationRiskCreditRiskPolicyTextblock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PriorPeriodReclassificationPolicyTextBlock" name="PriorPeriodReclassificationPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_CommitmentsAndContingenciesPolicyTextblock" name="CommitmentsAndContingenciesPolicyTextblock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_MarketableSecuritiesTableTextBlock" name="MarketableSecuritiesTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ScheduleofprepaidExpensesAndDepositstabletextblock" name="ScheduleofprepaidExpensesAndDepositstabletextblock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ScheduleOfListOfCapitalizedTableTextBlock" name="ScheduleOfListOfCapitalizedTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ScheduleOfWarrantTableTextBlock" name="ScheduleOfWarrantTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_OperatingLeasesOfLesseeDisclosureTableTextBlock" name="OperatingLeasesOfLesseeDisclosureTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_AccumulatedDeficit" name="AccumulatedDeficit" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IntellectualPropertyLife" name="IntellectualPropertyLife" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LaboratoryAndComputerEquipmentAndOfficeFurnitureDepreciationYear" name="LaboratoryAndComputerEquipmentAndOfficeFurnitureDepreciationYear" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_SalesTaxesReceivable" name="SalesTaxesReceivable" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LicenceFeesReceivable" name="LicenceFeesReceivable" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_TradingSecuritieCost" name="TradingSecuritieCost" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_UnrealizedGains" name="UnrealizedGains" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_UnrealizedLosses" name="UnrealizedLosses" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_MarketableSecuritiesUnrealizedGainLossFairValue" name="MarketableSecuritiesUnrealizedGainLossFairValue" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LegalAccountingFees" name="LegalAccountingFees" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PrepaidLicenceAndFilingFeesDue" name="PrepaidLicenceAndFilingFeesDue" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ConsultingFee" name="ConsultingFee" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PrepaidExpensesCapital" name="PrepaidExpensesCapital" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IssuedPatent" name="IssuedPatent" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PatentCertificateGrantDatedescriptions" name="PatentCertificateGrantDatedescriptions" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IntellectualPropertyBalanceBeginning" name="IntellectualPropertyBalanceBeginning" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_AmortizationOfIntellectualAssets" name="AmortizationOfIntellectualAssets" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_Impairment" name="Impairment" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IntellectualPropertyBalanceEnding" name="IntellectualPropertyBalanceEnding" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PeriodOfAmortization" name="PeriodOfAmortization" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_SalesTaxpayable" name="SalesTaxpayable" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IncomeFromOngoingOperations" name="IncomeFromOngoingOperations" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ProductRevenues" name="ProductRevenues" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LicensingUsage" name="LicensingUsage" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_IncomeTaxReconciliationExpectedIncomeTaxRecovery" name="IncomeTaxReconciliationExpectedIncomeTaxRecovery" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_NonDeductibleItems" name="NonDeductibleItems" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ChangeInEstimates" name="ChangeInEstimates" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_EffectOfChangesInForeignAndLongTermTaxRates" name="EffectOfChangesInForeignAndLongTermTaxRates" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ChangeInValuationNetAllowance" name="ChangeInValuationNetAllowance" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_TotalIncomeTaxRecovery" name="TotalIncomeTaxRecovery" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PpeAndIntangibles" name="PpeAndIntangibles" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ChangeInValuationAllowance" name="ChangeInValuationAllowance" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ClassOfWarrantOrRightExpirationsInPeriod" name="ClassOfWarrantOrRightExpirationsInPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ClassOfWarrantOrRightIssuedInPeriod" name="ClassOfWarrantOrRightIssuedInPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_WeightedAverageExercisePriceBeginningBalance" name="WeightedAverageExercisePriceBeginningBalance" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ClassOfWarrantOrRightExpirationsInPeriodWeightedAverageExercisePrice" name="ClassOfWarrantOrRightExpirationsInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ClassOfWarrantOrRightIssuedInPeriodWeightedAverageExercisePrice" name="ClassOfWarrantOrRightIssuedInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_WeightedAverageExercisePriceEndingBalances" name="WeightedAverageExercisePriceEndingBalances" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" name="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_WeightedAverageRemainingContractualLife" name="WeightedAverageRemainingContractualLife" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ClassOfWarrantOrRightExercisable" name="ClassOfWarrantOrRightExercisable" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_WarrantsSold" name="WarrantsSold" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_WarrantsSalePricePerUnit" name="WarrantsSalePricePerUnit" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_CommonStockSharesSold" name="CommonStockSharesSold" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_StockIssuedDuringPeriodSharesStockOptionsExercisedRepriced" name="StockIssuedDuringPeriodSharesStockOptionsExercisedRepriced" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_WeightedAverageRemainingContractualLifeYears" name="WeightedAverageRemainingContractualLifeYears" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ProceedsFromIssuanceCommonSharesWarrant" name="ProceedsFromIssuanceCommonSharesWarrant" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LifeYears" name="LifeYears" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_OutstandingOptionsOrRightsExpiredCancelled" name="OutstandingOptionsOrRightsExpiredCancelled" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstanding" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstanding" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingExercisable" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingExercisable" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExerciseOutstanding" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExerciseOutstanding" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisable" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisable" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_EstimatedFairValuePerOptionMaximum" name="EstimatedFairValuePerOptionMaximum" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_NumberOfStockOptionsGranted" name="NumberOfStockOptionsGranted" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceRepriced" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceRepriced" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_UnrecognizedNonCashCompensationCosts" name="UnrecognizedNonCashCompensationCosts" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ShareBasedCompensationExpenseForOptionsRepricing" name="ShareBasedCompensationExpenseForOptionsRepricing" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_RightOfUseAssetsOperatingLeases" name="RightOfUseAssetsOperatingLeases" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_RightOfUseAssetsRemeasurementRelatedToLeaseExtension" name="RightOfUseAssetsRemeasurementRelatedToLeaseExtension" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_AmortizationOfLeaseAsset" name="AmortizationOfLeaseAsset" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LeaseAssets" name="LeaseAssets" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_OperatingLeaseLiabilities" name="OperatingLeaseLiabilities" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LiabilitiesRemeasurementRelatedToLeaseExtension" name="LiabilitiesRemeasurementRelatedToLeaseExtension" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LeasePayments" name="LeasePayments" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_OperatingleaseinterestAccretion" name="OperatingleaseinterestAccretion" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LeaseLiabilitiesOperatingLease" name="LeaseLiabilitiesOperatingLease" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_RemainingLeaseTerm" name="RemainingLeaseTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LesseeOperatingLeaseLiabilityPaymentsDueThereafter" name="LesseeOperatingLeaseLiabilityPaymentsDueThereafter" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_OperatingImputedInterest" name="OperatingImputedInterest" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PresentValueOfOperatingLeaseLiabilities" name="PresentValueOfOperatingLeaseLiabilities" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_LessCurrentObligationsUnderLeases" name="LessCurrentObligationsUnderLeases" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_MaturitiesTotalValueOfOperatingLeaseLiability" name="MaturitiesTotalValueOfOperatingLeaseLiability" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_CostOfGoodsSold" name="CostOfGoodsSold" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_OperatingSegmentExpenses" name="OperatingSegmentExpenses" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_SegmentIncomeLoss" name="SegmentIncomeLoss" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PropertyPlantAndEquipmentAdditionals" name="PropertyPlantAndEquipmentAdditionals" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_ProceedsFromIssuanceInitialPublicOffering1" name="ProceedsFromIssuanceInitialPublicOffering1" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_NetInvestmentIPurchase" name="NetInvestmentIPurchase" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_BusinessOfDescription" name="BusinessOfDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_EstimatesAndJudgmentsabstract" name="EstimatesAndJudgmentsabstract" nillable="true" abstract="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="lxrp_PrepaidExpenseAndOtherCurrentAssetsAbstract" name="PrepaidExpenseAndOtherCurrentAssetsAbstract" nillable="true" abstract="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element name="EmergencyBusinessAccountLoanProgramMember" id="lxrp_EmergencyBusinessAccountLoanProgramMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="CommonSharesMember" id="lxrp_CommonSharesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="TradeAndDepositsMember" id="lxrp_TradeAndDepositsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="TerritoryLicenseFeeMember" id="lxrp_TerritoryLicenseFeeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="SalesTaxMember" id="lxrp_SalesTaxMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentOneMember" id="lxrp_PatentOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentTwoMember" id="lxrp_PatentTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentThreeMember" id="lxrp_PatentThreeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentFourMember" id="lxrp_PatentFourMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentFiveMember" id="lxrp_PatentFiveMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentSixMember" id="lxrp_PatentSixMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentSevenMember" id="lxrp_PatentSevenMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentEightMember" id="lxrp_PatentEightMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentNineMember" id="lxrp_PatentNineMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentTenMember" id="lxrp_PatentTenMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentElevenMember" id="lxrp_PatentElevenMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentTwelveMember" id="lxrp_PatentTwelveMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PatentThirteenMember" id="lxrp_PatentThirteenMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="LexariaNicotineLLCMember" id="lxrp_LexariaNicotineLLCMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="AltriaVenturesIncMember" id="lxrp_AltriaVenturesIncMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="ComputerMember" id="lxrp_ComputerMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="LabEquipmentMember" id="lxrp_LabEquipmentMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PeriodAmortizationMember" id="lxrp_PeriodAmortizationMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="BTwoBMember" id="lxrp_BTwoBMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="OtherRevenueMember" id="lxrp_OtherRevenueMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="IPLicensingMember" id="lxrp_IPLicensingMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsOneMember" id="lxrp_WarrantsOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsTwoMember" id="lxrp_WarrantsTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsThreeMember" id="lxrp_WarrantsThreeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsFourMember" id="lxrp_WarrantsFourMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsFiveMember" id="lxrp_WarrantsFiveMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsSixMember" id="lxrp_WarrantsSixMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StockOptionsMember" id="lxrp_StockOptionsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="IntellectualPropertyLicensingMember" id="lxrp_IntellectualPropertyLicensingMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="UniitedStatesMember" id="lxrp_UniitedStatesMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="CanadaaMember" id="lxrp_CanadaaMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="RAndDMember" id="lxrp_RAndDMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StockOptionsOneMember" id="lxrp_StockOptionsOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StockOptionsTwoMember" id="lxrp_StockOptionsTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StockOptionsThreeMember" id="lxrp_StockOptionsThreeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StockOptionsFourMember" id="lxrp_StockOptionsFourMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsMember" id="lxrp_WarrantsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
</schema>
