Company: MDCXW
Filing Date: 2025-12-30
Form Type: S-3
Source: 0001062993-25-017488
Chunk: 0

Company: Medicus Pharma Ltd.
Filing Date: 2025-12-30
Form: S-3
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on December 29, 2025.</div>

Registration No. 333-

<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM S-3

REGISTRATION STATEMENT
UNDER THE SECURITIES ACT OF 1933

(Exact name of registrant as specified in its charter)</div>

| Ontario, Canada                 |     | 98-1778211            |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -I.R.S. Employer      
 Identification Number |

<div align='center'>300 Conshohocken State Rd., Suite 200

W. Conshohocken, PA 19428

Telephone: (610) 636-0184

(Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)

Dr. Raza Bokhari
Medicus Pharma Inc.

300 Conshohocken State Road, Suite 200

Conshohocken, PA 19428

(Name, address, including zip code, and telephone number, including area code, of agent for service)

With copies to:

Christopher J. Cummings
Paul, Weiss, Rifkind, Wharton & Garrison LLP
1285 Avenue of the Americas
New York, NY
10019-6064
Telephone: (212) 373-3000
Facsimile: (212) 757-3990</div>

Approximate date of commencement of proposed sale to the public: From time to time after this registration statement becomes effective.

If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ☐

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ☒

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities