Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Mar. 18, 2025	Jun. 30, 2024
Cover [Abstract]
Registrant Name	MEDICUS PHARMA LTD.
Registrant CIK	0001997296
Current Fiscal Year End Date	--12-31
Document Type	10-K
Document Annual Report	true
Entity File Number	001-42408
Document Financial Statement Error Correction [Flag]	false
Document Period End Date	Dec. 31, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Entity Incorporation, State or Country Code	A6
Entity Tax Identification Number	98-1778211
Entity Address, Address Line One	300 Conshohocken State Rd.
Entity Address, City or Town	W. Conshohocken
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19428
City Area Code	610
Local Phone Number	636-0184
Title of 12(g) Security	Common shares, no par value
Trading Symbol	MDCX
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	false
Entity Public Float			$ 11.2
Entity Common Stock, Shares Outstanding		13,414,801
Amendment Flag	false
Document Transition Report	false
Entity Ex Transition Period	false
Auditor Firm ID	274
Auditor Name	EisnerAmper LLP
Auditor Location	Philadelphia, Pennsylvania