<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:pharmamarsa="http://pharmamarsa.com/xbrl/2023" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr="http://www.xbrl.org/dtr/type/2020-01-21" targetNamespace="http://pharmamarsa.com/xbrl/2023" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
  <xs:import schemaLocation="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor.xsd" namespace="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor" />
  <xs:import schemaLocation="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd" namespace="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" />
  <xs:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
  <xs:import schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" namespace="http://www.xbrl.org/dtr/type/2020-01-21" />
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="959800QWKZ45ZQC2AV58-2023-12-31_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="959800QWKZ45ZQC2AV58-2023-12-31_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="959800QWKZ45ZQC2AV58-2023-12-31_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="959800QWKZ45ZQC2AV58-2023-12-31_lab-es.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor-lab-es.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor-gen-es.xml" xlink:type="simple" />
      <link:roleType id="EstadoDeSituacionFinanciera" roleURI="http://pharmamarsa.com/xbrl/2023/roles/EstadoDeSituacionFinanciera">
        <link:definition>01 - Estado de situación financiera</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Resultado" roleURI="http://pharmamarsa.com/xbrl/2023/roles/Resultado">
        <link:definition>02 - Resultado</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EstadoDeResultadoGlobal" roleURI="http://pharmamarsa.com/xbrl/2023/roles/EstadoDeResultadoGlobal">
        <link:definition>03 - Estado de resultado global</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EstadoDeCambiosEnElPatrimonioNeto" roleURI="http://pharmamarsa.com/xbrl/2023/roles/EstadoDeCambiosEnElPatrimonioNeto">
        <link:definition>04 - Estado de cambios en el patrimonio neto</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EstadoDeFlujosDeEfectivo" roleURI="http://pharmamarsa.com/xbrl/2023/roles/EstadoDeFlujosDeEfectivo">
        <link:definition>05 - Estado de flujos de efectivo</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NotesAndMandatoryItems" roleURI="http://pharmamarsa.com/xbrl/2023/roles/NotesAndMandatoryItems">
        <link:definition>06 - Notes and Mandatory Items</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Anchoring" roleURI="http://pharmamarsa.com/xbrl/2023/roles/Anchoring">
        <link:definition>99 - Groups all anchored elements</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="pharmamarsa_ActivosFinancierosAValorRazonableConCambiosEnOtroResultadoGlobalNota12" xbrli:balance="credit" xbrli:periodType="duration" name="ActivosFinancierosAValorRazonableConCambiosEnOtroResultadoGlobalNota12" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_VentasDeAccionesNota17" xbrli:balance="credit" xbrli:periodType="duration" name="VentasDeAccionesNota17" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_OtrosMovimientos" xbrli:balance="credit" xbrli:periodType="duration" name="OtrosMovimientos" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_IngresosDiferidosSubvenciones" xbrli:balance="debit" xbrli:periodType="duration" name="IngresosDiferidosSubvenciones" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_OtrosActivosYPasivos" xbrli:balance="credit" xbrli:periodType="duration" name="OtrosActivosYPasivos" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_PartidasDiferidasODePeriodificacion" xbrli:balance="debit" xbrli:periodType="duration" name="PartidasDiferidasODePeriodificacion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_OtrosFlujosDeEfectivoDeLasActividadesDeExplotacion" xbrli:balance="debit" xbrli:periodType="duration" name="OtrosFlujosDeEfectivoDeLasActividadesDeExplotacion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_OtrosActivosFinancieros" xbrli:balance="debit" xbrli:periodType="duration" name="OtrosActivosFinancieros" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_CobrosYPagosPorInstrumentosDePatrimonio" xbrli:balance="debit" xbrli:periodType="duration" name="CobrosYPagosPorInstrumentosDePatrimonio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_CobrosYPagosPorInstrumentosDePasivoFinanciero" xbrli:balance="debit" xbrli:periodType="duration" name="CobrosYPagosPorInstrumentosDePasivoFinanciero" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="pharmamarsa_RiesgoDeTipoDeInteresDeLosFlujosDeEfectivoYDelValorRazonable" xbrli:periodType="duration" name="RiesgoDeTipoDeInteresDeLosFlujosDeEfectivoYDelValorRazonable" nillable="true" substitutionGroup="xbrli:item" type="dtr:textBlockItemType" />
  <xs:element id="pharmamarsa_DisclosureOfDutyOfLoyalty" xbrli:periodType="duration" name="DisclosureOfDutyOfLoyalty" nillable="true" substitutionGroup="xbrli:item" type="dtr:textBlockItemType" />
</xs:schema>