Filed by Automated Filing Services Inc. (604) 609-0244 -  Medicure Inc. - Exhibit 4.2






STOCK OPTION AGREEMENT

THIS AGREEMENT made as of the XX day of
XX 2007.

BETWEEN:

OPTIONEE NAME, an individual of
the City of 
XX, in the Province of XX
(herein referred to as the
“Optionee”)

-and-

MEDICURE INC., a body corporate,
incorporated federally under the 
laws of Canada, having an office in the
City of Winnipeg, in the Province 
of Manitoba 
(herein referred to as the
“Corporation”)

WHEREAS:

1. the Corporation is incorporated under the laws of Canada,
having an authorized capital consisting of an unlimited number of common shares
without nominal or par value and an unlimited number of preferred shares without
nominal or par value; and 2. the Board has agreed to grant unto the Optionee an
option to purchase an aggregate of XX,000 common shares without par value of its
authorized unissued share capital in consideration of the Optionee’s ongoing
services and contributions to the Corporation or any of its subsidiaries or
affiliates; and 3. the granting of such option to the Optionee was authorized by
the Board effective XX, 2007.

ARTICLE 1 
DEFINITIONS

1.01 In this Agreement the following terms shall have the
following meanings:

	(a) 	
      “Agreement”, “herein”, “hereto”, “hereof” and similar
      expressions means this Agreement, and includes any Agreement amending this
      Agreement or any Agreement or instrument which is supplemental or
      ancillary hereof;

	 	 
	(b) 	
      “Board” means the Board of Directors of the
      Corporation;

	 	 
	(c) 	
      “Expiration Date” means XX, 2017;

	 	 
	(d) 	
      “Option Date” in respect of the Share Option means the
      date of this Agreement;

	 	 
	(e) 	
      “Option Shares” means the Shares the Optionee is entitled
      to purchase under a Share Option;

	 	 
	(f) 	
      “Share” means a common share of the Corporation as
      constituted at the date hereof;








	(g) 	
      “Share Option” means an option to purchase Treasury
      Shares granted to the Optionee pursuant to this Agreement, and includes
      any portion of that option; and

	 	 
	(h) 	
      “Treasury Share” means a theretofore unissued Share which
      is purchased directly from the Corporation by or for the account of the
      Optionee.



1.02 In the Agreement, the masculine gender shall include the
feminine gender and the singular shall include the plural and vice versa
wherever the context requires.

ARTICLE II 
SHARE OPTION

2.01 The Corporation hereby grants to the Optionee, subject to
the terms and conditions hereinafter set out, an irrevocable option to purchase
at any time or from time to time on or before the Expiration Date, XX,000 Shares
of the Corporation at a price of $XX per Share.

2.02 The Share Option shall vest and shall be exercisable over
a period of three years, at 33 1/3% per year, with the first 33 1/3% of the
Share Option vesting on the first anniversary of XX, 2007, the second 33 1/3% of
the Share Option vesting on the second anniversary of XX, 2007, and the third 33
1/3% of the Share Option vesting on the third anniversary of XX, 2007.

2.03 At 4:30 p.m., Winnipeg time, on the Expiration Date, the
Share Option or any portion thereof remaining unexercised shall forthwith expire
and terminate and be of no further force or effect whatsoever as to such of the
Option Shares in respect of which the Share Option hereby granted has not then
been exercised.

ARTICLE III
CURRENCY DURING TERM OF
EMPLOYMENT

	3.01 	(a) 	
      If an Optionee shall cease to be a director, officer,
      consultant, scientific advisory board member or employee of the
      Corporation or any of its subsidiaries or affiliates, as the case may be,
      for any reason (other than death), he may but only within sixty (60) days
      next succeeding his ceasing to be a director, officer, consultant,
      scientific advisory board member or employee, exercise his Share Option to
      the extent that he was entitled to exercise it at the date of such
      cessation. 

	 	 	 
		(b) 	
      In the event of the death of an Optionee, the Share
      Option previously granted to him shall be exercisable only within the
      twelve (12) months next succeeding such death and then only by the person
      or persons to whom the Optionee’s rights under the Share Option shall pass
      by the Optionee’s will or the laws of descent and distribution and if and
      to the extent that he was entitled to exercise the Share Option at the
      date of his death. 







ARTICLE IV 
MATERIAL CHANGE

4.01 In the event that, prior to the Expiration Date or
exercise in full of the Share Option, the outstanding share capital of the
Corporation shall be subdivided or consolidated into a greater or lesser number
of Shares, or, in the event of the payment of a stock dividend by the
Corporation, or in the event that all of the shareholders of the Corporation are
granted the right to purchase additional Shares of the Corporation, the number
and price of Option Shares remaining subject to the Share Option hereunder shall
be increased or reduced accordingly, as the case may be.

4.02 If, prior to the Expiration Date or exercise in full of
the Share Option granted hereby, the Corporation shall, enter into an
arrangement with or merge into another corporation, the Optionee will thereafter
receive, upon the exercise of the Share Option, the securities or properties to
which a holder of the number of Shares then deliverable upon the exercise of the
Share Option would have been entitled upon such arrangement or merger, and the
Corporation will take steps in connection with such arrangement or merger as may
be necessary to assure that the provisions hereof shall thereafter be
applicable, in relation to any securities or property thereafter deliverable
upon the exercise of the Option granted hereby. A sale of all or substantially
all of the assets of the Corporation for consideration, (apart from the
assumption of obligations), consisting primarily of securities shall be deemed
to be an arrangement or merger for the foregoing purposes.

ARTICLE V
 RESERVATION OF TREASURY
SHARES

5.01 The Corporation shall at all times during the term of this
Agreement, reserve and keep available a sufficient number of Treasury Shares to
satisfy the requirement hereof.

ARTICLE VI 
RESTRICTION ON
ASSIGNMENT

6.01 The Share Option granted hereby is, insofar as the
Optionee is concerned, personal and non-assignable and neither this Agreement
nor any rights in regard thereto shall be transferable or assignable except upon
the death of the Optionee pursuant to Clause 3.01 hereof.

ARTICLE VII
EXERCISE OF THE SHARE
OPTION

7.01 The Share Option may be exercised by the Optionee in
accordance with the provisions hereof in whole or in part, from time to time, by
delivery of written notice of such exercise and by tendering the payment
therefor in cash or by certified cheque to the Corporation at its principal
office in the City of Winnipeg, in the Province of Manitoba. Such notice shall
state the number of the Option shares with respect to which the Share Option is
then being exercised. The Share Option shall be deemed for all 




purposes to have been exercised to the extent stated in such
notice upon delivery of the notice and tender of payment in full, not
withstanding any delay in the issuance and delivery of the certificates for the
Shares so purchased.

ARTICLE VIII
RIGHTS OF THE OPTIONEE PRIOR TO
EXERCISE DATE

8.01 The Share Option herein granted shall not entitle the
Optionee to any rights whatsoever as a shareholder of the Corporation with
respect to any Shares subject to the Share Option until it has been exercised in
accordance with Clause 7.01 and Option Shares have been issued as fully paid and
non-assessable.

ARTICLE IX 
FURTHER ASSURANCE

9.01 The parties hereto covenant that they shall and will from
time to time and at all times hereafter do and perform all such acts and things
and execute all such additional documents as may be required to give effect to
the terms and intention of this Agreement.

ARTICLE X 
INTERPRETATION

10.01 It is understood and agreed by the parties hereto that
questions may arise as to the interpretation, construction or enforcement of
this Agreement and the parties are desirous of having the Board determine any
such question of interpretation, construction or enforcement. It is therefore
understood and agreed by and between the parties hereto that any question
arising under the terms of this Agreement as to interpretation, construction or
enforcement shall be referred to the Board and its majority decision shall be
final and binding on both of the parties hereto.

ARTICLE XI 
ENTIRE AGREEMENT

11.01 This Agreement supersedes all other agreements,
documents, writings and verbal understandings among the parties relating to the
subject matter hereof and represents the entire agreement between the parties
relating to the subject matter hereof.

ARTICLE XII 
ENUREMENT

12.01 Subject to the other provisions hereof, this Agreement
shall enure to the benefit of and be binding upon the parties hereto and their
respective heirs, executors, administrators, successors and permitted
assigns.

12.02 This Agreement shall constitute a binding obligation of
the Corporation notwithstanding any change of control of its voting securities
during the term hereof.




     IN WITNESS WHEREOF the parties
hereto have executed this Agreement as of the day and year first above
written.

	SIGNED 	) 	 
	in the presence of: 	) 	 
	  	) 	 
	  	) 	 
	  	  	 
	  	) 	 
	  	               
    	    OPTIONEE
      NAME 



	 	MEDICURE INC. 
	 	 	 
	 	 Per: 	
	 	 	  
	 	 Per: