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  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermUnvested" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsWeightedAverageRemainingContractualTermUnvested"/>
  <xs:element name="IncomeTaxReconciliationNonAssessableIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ixhl_IncomeTaxReconciliationNonAssessableIncome"/>
  <xs:element name="UnRecognizedUnusedTaxlosses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ixhl_UnRecognizedUnusedTaxlosses"/>
  <xs:element name="UnrecognizedTaxRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_UnrecognizedTaxRate"/>
  <xs:element name="RedomiciliationandBusinessDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ixhl_RedomiciliationandBusinessDetailsTable"/>
  <xs:element name="NumberOfOrdinarySharesTraded" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ixhl_NumberOfOrdinarySharesTraded"/>
  <xs:element name="NumberOfShareReceived" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="ixhl_NumberOfShareReceived"/>
  <xs:element name="BasisofPresentationandSummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ixhl_BasisofPresentationandSummaryofSignificantAccountingPoliciesDetailsTable"/>
  <xs:element name="WorkingCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="ixhl_WorkingCapital"/>
  <xs:element name="AdditionalPaidinCapitalDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ixhl_AdditionalPaidinCapitalDetailsTable"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ixhl_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="SubsequentEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="ixhl_SubsequentEventsDetailsTable"/>
  <xs:element name="ExercisePricePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ExercisePricePercentage"/>
  <xs:element name="OutstandingSharesOfCommonStockPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_OutstandingSharesOfCommonStockPercentage"/>
  <xs:element name="securedConvertibleDebentures" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ixhl_securedConvertibleDebentures"/>
  <xs:element name="AggregatePurchasePrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="ixhl_AggregatePurchasePrice"/>
  <xs:element name="IssueDiscountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_IssueDiscountPercentage"/>
  <xs:element name="ConversionPricePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ConversionPricePercentage"/>
  <xs:element name="PrincipalAmountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_PrincipalAmountPercentage"/>
  <xs:element name="ClosingPriceOfTheCommonStockPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ClosingPriceOfTheCommonStockPercentage"/>
  <xs:element name="IssuancePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_IssuancePercentage"/>
  <xs:element name="APIRxPharmaceuticalUSALLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_APIRxPharmaceuticalUSALLCMember"/>
  <xs:element name="APIRxPharmaceuticalsHoldingBVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_APIRxPharmaceuticalsHoldingBVMember"/>
  <xs:element name="APIRxPharmaceuticalsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_APIRxPharmaceuticalsMember"/>
  <xs:element name="AmericanDepositarySharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_AmericanDepositarySharesMember"/>
  <xs:element name="ArenaBusinessSolutionsGlobalSPCIILtdMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ArenaBusinessSolutionsGlobalSPCIILtdMember"/>
  <xs:element name="ArenaInvestorsLPMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ArenaInvestorsLPMember"/>
  <xs:element name="AverageExchangeRateMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_AverageExchangeRateMember"/>
  <xs:element name="BabyShelfMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_BabyShelfMember"/>
  <xs:element name="BellPotterMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_BellPotterMember"/>
  <xs:element name="ClarionClinicsGroupPtyLtdMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ClarionClinicsGroupPtyLtdMember"/>
  <xs:element name="ClarionModelClinicPtyLtdMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ClarionModelClinicPtyLtdMember"/>
  <xs:element name="ELOCAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ELOCAgreementMember"/>
  <xs:element name="ELOCWarrantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ELOCWarrantMember"/>
  <xs:element name="ExchangeRateMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_ExchangeRateMember"/>
  <xs:element name="IncannexAustraliaMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_IncannexAustraliaMember"/>
  <xs:element name="IncannexHealthcareLimitedMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_IncannexHealthcareLimitedMember"/>
  <xs:element name="IncannexHealthcarePtyLtdMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_IncannexHealthcarePtyLtdMember"/>
  <xs:element name="IncannexPtyLtdMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_IncannexPtyLtdMember"/>
  <xs:element name="PsychennexLicensingAndFranchisingPtyLtdMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_PsychennexLicensingAndFranchisingPtyLtdMember"/>
  <xs:element name="PsychennexPtyLtdMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_PsychennexPtyLtdMember"/>
  <xs:element name="RybaLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_RybaLLCMember"/>
  <xs:element name="AdditionalPaidinCapitalLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_AdditionalPaidinCapitalLineItems"/>
  <xs:element name="RedomiciliationAndBusinessLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_RedomiciliationAndBusinessLineItems"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ixhl_DocumentAndEntityInformationAbstract"/>
</xs:schema>
