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  <xs:element id="vrtx_LesseeOperatingLeaseNumberOfRenewalOptions" abstract="false" name="LesseeOperatingLeaseNumberOfRenewalOptions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="vrtx_ReductionToFinanceLeases" abstract="false" name="ReductionToFinanceLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseRightOfUseAssetGross" abstract="false" name="FinanceLeaseRightOfUseAssetGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_LesseeOperatingLeaseLiabilityTenantAllowance" abstract="false" name="LesseeOperatingLeaseLiabilityTenantAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeasandOperatingLeaseLiabilitiesPaymentsDueAbstract" abstract="true" name="FinanceLeasandOperatingLeaseLiabilitiesPaymentsDueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiabilityPaymentDueNextTwelveMonths" abstract="false" name="FinanceLeaseAndOperatingLeaseLiabilityPaymentDueNextTwelveMonths" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiabilityPaymentDueYearTwo" abstract="false" name="FinanceLeaseAndOperatingLeaseLiabilityPaymentDueYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiabilityPaymentDueYearThree" abstract="false" name="FinanceLeaseAndOperatingLeaseLiabilityPaymentDueYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiabilityPaymentsDueYearFour" abstract="false" name="FinanceLeaseAndOperatingLeaseLiabilityPaymentsDueYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiabilityPaymentsDueYearFive" abstract="false" name="FinanceLeaseAndOperatingLeaseLiabilityPaymentsDueYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiabilityPaymentsDueAfterYearFive" abstract="false" name="FinanceLeaseAndOperatingLeaseLiabilityPaymentsDueAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiabilityPaymentsDue" abstract="false" name="FinanceLeaseAndOperatingLeaseLiabilityPaymentsDue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiabilityUndiscountedExcessAmount" abstract="false" name="FinanceLeaseAndOperatingLeaseLiabilityUndiscountedExcessAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_FinanceLeaseAndOperatingLeaseLiability" abstract="false" name="FinanceLeaseAndOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_WeightedAverageRemainingLeaseAbstract" abstract="true" name="WeightedAverageRemainingLeaseAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_WeightedAverageDiscountRateAbstract" abstract="true" name="WeightedAverageDiscountRateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_RightOfUseAssetObtainedInExchangeForLeaseLiabilityAbstract" abstract="true" name="RightOfUseAssetObtainedInExchangeForLeaseLiabilityAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_CommonStockVotesPerEachShare" abstract="false" name="CommonStockVotesPerEachShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="vrtx_StockandOptionPlan2013Member" abstract="true" name="StockandOptionPlan2013Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ShareRepurchaseProgram2023Member" abstract="true" name="ShareRepurchaseProgram2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_May2025ShareRepurchaseProgramMember" abstract="true" name="May2025ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOutstandingNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOutstandingNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="vrtx_FinancialPerformanceSharesMember" abstract="true" name="FinancialPerformanceSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationByShareBasedPaymentAwardPercentOfAwardsInTranche" abstract="false" name="ShareBasedCompensationByShareBasedPaymentAwardPercentOfAwardsInTranche" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod" abstract="false" name="ShareBasedCompensationByShareBasedPaymentAwardPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationByShareBasedPaymentAwardAwardPercentageOfTargetMinimum" abstract="false" name="ShareBasedCompensationByShareBasedPaymentAwardAwardPercentageOfTargetMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationByShareBasedPaymentAwardAwardPercentageOfTargetMaximum" abstract="false" name="ShareBasedCompensationByShareBasedPaymentAwardAwardPercentageOfTargetMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrtx_WeightedAverageRemainingContractualLifeAbstract" abstract="true" name="WeightedAverageRemainingContractualLifeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_AggregateIntrinsicValueAbstract" abstract="true" name="AggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_ExercisePriceRangeFromDollars86.52ToDollars100.00Member" abstract="true" name="ExercisePriceRangeFromDollars86.52ToDollars100.00Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ExercisePriceRangeFromDollars10001ToDollars15000Member" abstract="true" name="ExercisePriceRangeFromDollars10001ToDollars15000Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ExercisePriceRangeFromDollars15001ToDollars20000Member" abstract="true" name="ExercisePriceRangeFromDollars15001ToDollars20000Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ExercisePriceRangeFromDollars200.01ToDollars502.97Member" abstract="true" name="ExercisePriceRangeFromDollars200.01ToDollars502.97Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPurchasePeriods" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardDurationOfPurchasePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardDurationOfPurchasePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationAllocationAbstract" abstract="true" name="ShareBasedCompensationAllocationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_NonFinancialPerformanceSharesMember" abstract="true" name="NonFinancialPerformanceSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_NonemployeeStockOptionMember" abstract="true" name="NonemployeeStockOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_EffectiveIncomeTaxRateReconciliationDeferredChargesRelatedToIntraEntityTransfersAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeferredChargesRelatedToIntraEntityTransfersAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_EffectiveIncomeTaxRateReconciliationCrossBorderSubpartFIncomeNetOfCreditsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationCrossBorderSubpartFIncomeNetOfCreditsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_EffectiveIncomeTaxRateReconciliationDeferredChargesRelatedToIntraEntityTransfersPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeferredChargesRelatedToIntraEntityTransfersPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrtx_EffectiveIncomeTaxRateReconciliationCrossBorderSubpartFIncomeNetOfCreditsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationCrossBorderSubpartFIncomeNetOfCreditsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrtx_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarningsNetPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarningsNetPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrtx_OperatingLossAndTaxCreditCarryforwardsTable" abstract="true" name="OperatingLossAndTaxCreditCarryforwardsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_DeferredTaxAssetsMember" abstract="true" name="DeferredTaxAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_TaxCarryforwardsLineItems" abstract="true" name="TaxCarryforwardsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrtx_OperatingLossCarryforwardsNotSubjectToExpiration" abstract="false" name="OperatingLossCarryforwardsNotSubjectToExpiration" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_TaxCreditCarryforwardNotSubjectToExpirationAmount" abstract="false" name="TaxCreditCarryforwardNotSubjectToExpirationAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_UnrecognizedTaxBenefitsIncreaseDecreaseInDeferredTaxAssetsGross" abstract="false" name="UnrecognizedTaxBenefitsIncreaseDecreaseInDeferredTaxAssetsGross" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_UnrecognizedTaxBenefitsDeferredTaxLiabilitiesGross" abstract="false" name="UnrecognizedTaxBenefitsDeferredTaxLiabilitiesGross" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_DeferredTaxAssetsIntangibles" abstract="false" name="DeferredTaxAssetsIntangibles" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_DeferredTaxAssetsOperatingLeaseAssets" abstract="false" name="DeferredTaxAssetsOperatingLeaseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_ALYFTREKMember" abstract="true" name="ALYFTREKMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_LineOfCreditFacilityAdditionalBorrowingCapacity" abstract="false" name="LineOfCreditFacilityAdditionalBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_DebtCovenantConsolidatedLeverageRatio" abstract="false" name="DebtCovenantConsolidatedLeverageRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="vrtx_DebtCovenantIncreaseInConsolidatedLeverageRatio" abstract="false" name="DebtCovenantIncreaseInConsolidatedLeverageRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="vrtx_IndemnificationClaims" abstract="false" name="IndemnificationClaims" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_RoyaltyBurdenPercentage" abstract="false" name="RoyaltyBurdenPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrtx_ContingentLiabilities" abstract="false" name="ContingentLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_CASGEVYMember" abstract="true" name="CASGEVYMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_JOURNAVXMember" abstract="true" name="JOURNAVXMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_TRIKAFTAKAFTRIOMember" abstract="true" name="TRIKAFTAKAFTRIOMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_OtherCountriesOutsideoftheUnitedStatesandEuropeMember" abstract="true" name="OtherCountriesOutsideoftheUnitedStatesandEuropeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_OutsidetheUnitedStatesMember" abstract="true" name="OutsidetheUnitedStatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_McKessonCorporationMember" abstract="true" name="McKessonCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_AccredoHealthGroupIncMember" abstract="true" name="AccredoHealthGroupIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_LloydsPharmacyMember" abstract="true" name="LloydsPharmacyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_PharmaceuticalsMember" abstract="true" name="PharmaceuticalsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ResearchExpenses" abstract="false" name="ResearchExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_DevelopmentExpenses" abstract="false" name="DevelopmentExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrtx_OtherCountriesOutsideoftheUnitedStatesandtheUnitedKingdomMember" abstract="true" name="OtherCountriesOutsideoftheUnitedStatesandtheUnitedKingdomMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_ReshmaKewalramaniMember" abstract="true" name="ReshmaKewalramaniMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_AmitSachdevMember" abstract="true" name="AmitSachdevMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_CarmenBozicMember" abstract="true" name="CarmenBozicMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrtx_DuncanMcKechnieMember" abstract="true" name="DuncanMcKechnieMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
