<?xml version="1.0" encoding="utf-8"?>
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  xmlns:exch="http://xbrl.sec.gov/exch/2023"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:mdcx="http://www.medicuspharma.com/20250321"
  xmlns:us-gaap="http://fasb.org/us-gaap/2023"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="mdcx-20250321.xsd" xlink:type="simple"/>
    <context id="CR20250321">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001997296</identifier>
        </entity>
        <period>
            <startDate>2025-03-21</startDate>
            <endDate>2025-03-21</endDate>
        </period>
    </context>
    <context id="CR20250321_dei_EntityListingsExchangeAxis_exch_XNCM_us-gaap_StatementClassOfStockAxis_mdcx_CommonSharesNoParValueMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001997296</identifier>
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        </entity>
        <period>
            <startDate>2025-03-21</startDate>
            <endDate>2025-03-21</endDate>
        </period>
    </context>
    <context id="CR20250321_dei_EntityListingsExchangeAxis_exch_XNCM_us-gaap_StatementClassOfStockAxis_mdcx_WarrantsEachExercisableForOneCommonShareAtAnExercisePriceOfFourPointSixFourPerShareMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001997296</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">mdcx:WarrantsEachExercisableForOneCommonShareAtAnExercisePriceOfFourPointSixFourPerShareMember</xbrldi:explicitMember>
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        </entity>
        <period>
            <startDate>2025-03-21</startDate>
            <endDate>2025-03-21</endDate>
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    <dei:AmendmentFlag contextRef="CR20250321" id="ixv-145">false</dei:AmendmentFlag>
    <dei:DocumentPeriodEndDate contextRef="CR20250321" id="ixv-146">2025-03-21</dei:DocumentPeriodEndDate>
    <dei:EntityCentralIndexKey contextRef="CR20250321" id="ixv-147">0001997296</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="CR20250321" id="EntityRegistrantName">Medicus Pharma Ltd.</dei:EntityRegistrantName>
    <dei:DocumentType contextRef="CR20250321" id="ixv-176">8-K</dei:DocumentType>
    <dei:DocumentCreationDate contextRef="CR20250321" id="ixv-177">2025-03-21</dei:DocumentCreationDate>
    <dei:EntityIncorporationStateCountryCode contextRef="CR20250321" id="ixv-178">A6</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="CR20250321" id="ixv-179">001-42408</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="CR20250321" id="ixv-180">98-1778211</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="CR20250321" id="ixv-181">300 Conshohocken State Road, Suite 200</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="CR20250321" id="ixv-182">Conshohocken</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="CR20250321" id="ixv-183">PA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressCountry contextRef="CR20250321" id="ixv-184">US</dei:EntityAddressCountry>
    <dei:EntityAddressPostalZipCode contextRef="CR20250321" id="ixv-185">19428</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="CR20250321" id="ixv-186">610</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="CR20250321" id="ixv-187">540-7515</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="CR20250321" id="ixv-188">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="CR20250321" id="ixv-189">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="CR20250321" id="ixv-190">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="CR20250321" id="ixv-191">false</dei:PreCommencementIssuerTenderOffer>
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      contextRef="CR20250321_dei_EntityListingsExchangeAxis_exch_XNCM_us-gaap_StatementClassOfStockAxis_mdcx_CommonSharesNoParValueMember"
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    <dei:TradingSymbol
      contextRef="CR20250321_dei_EntityListingsExchangeAxis_exch_XNCM_us-gaap_StatementClassOfStockAxis_mdcx_CommonSharesNoParValueMember"
      id="ixv-193">MDCX</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="CR20250321_dei_EntityListingsExchangeAxis_exch_XNCM_us-gaap_StatementClassOfStockAxis_mdcx_CommonSharesNoParValueMember"
      id="ixv-194">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="CR20250321_dei_EntityListingsExchangeAxis_exch_XNCM_us-gaap_StatementClassOfStockAxis_mdcx_WarrantsEachExercisableForOneCommonShareAtAnExercisePriceOfFourPointSixFourPerShareMember"
      id="ixv-195">Warrants, each exercisable for one common share at an exercise price of $4.64 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="CR20250321_dei_EntityListingsExchangeAxis_exch_XNCM_us-gaap_StatementClassOfStockAxis_mdcx_WarrantsEachExercisableForOneCommonShareAtAnExercisePriceOfFourPointSixFourPerShareMember"
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    <dei:SecurityExchangeName
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    <dei:EntityEmergingGrowthCompany contextRef="CR20250321" id="ixv-198">true</dei:EntityEmergingGrowthCompany>
    <dei:EntityExTransitionPeriod contextRef="CR20250321" id="ixv-199">false</dei:EntityExTransitionPeriod>
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