Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2026	May 07, 2026
Registrant Name	MEDICUS PHARMA LTD.
Registrant CIK	0001997296
Current Fiscal Year End Date	--12-31
Document Type	10-Q
Document Quarterly Report	true
Entity File Number	001-42408
Document Period End Date	Mar. 31, 2026
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q1
Entity Incorporation, State or Country Code	A6
Entity Tax Identification Number	98-1778211
Entity Address, Address Line One	300 Conshohocken State Rd
Entity Address, Address Line Two	Suite 200
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
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 Common Stock, Shares Outstanding		56,658,164
Amendment Flag	false
Document Transition Report	false
Entity Ex Transition Period	false
Common Stock [Member]
Title of 12(g) Security	Common shares, no par value
Trading Symbol	MDCX
Security Exchange Name	NASDAQ
Warrant [Member]
Title of 12(g) Security	Warrants
Trading Symbol	MDCXW
Security Exchange Name	NASDAQ