Exhibit 10.6

AMENDMENT TO CREDIT AGREEMENT

AMENDMENT,dated as of November 1, 2002 (the "Amendment"), to the Credit Agreement dated as of
February 8, 2002, by and amongEON LABS, INC., a Delaware corporation andEON PHARMA, LLC,a
Delaware limited liability company (each a "Company" and, collectively the "Companies") andJPMORGAN CHASE
BANK,a New York banking corporation, (the "Lender").

RECITALS

The Companies have requested and the Lender has agreed, subject to the terms and conditions of this Amendment, to amend certain provisions of the Credit Agreement
as hereinafter set forth.

Accordingly,
in consideration of the premises and of the mutual covenants and agreements hereinafter set forth, the parties hereto agree as follows:

1.Amendments.(a) The proviso in the first sentence of Section 6.01 of the Agreement is hereby amended and
restated in its entirety to read as follows:



2.Conditions of Effectiveness.It is a condition to the effectiveness of this Amendment that the Bank receive a fee in the
amount of $2,000 on the date hereof.

3.Miscellaneous.

THIS AMENDMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF
LAW.

All
capitalized terms used herein shall have the same meanings as in the Credit Agreement unless specifically defined herein.

This
Amendment shall constitute a Loan Document.

Except
as expressly amended hereby, the Credit Agreement shall remain in full force and effect in accordance with the terms thereof. As amended hereby, the Credit Agreement is ratified
and confirmed in all respects. This Amendment is limited specifically to the matter set forth above and does not constitute directly or by implication an amendment or waiver of any other provisions of
the Credit

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Agreement or any Event of Default or Default which may occur or may have occurred under the Agreement.

Each
Company hereby represents and warrants that, after giving effect to this Amendment (a) each of the representations and warranties of the Companies and each Guarantor set
forth in the Credit Agreement and each other Loan Document to which any thereof is a party is true and correct on and as of the date hereof with the same effect as though such representations and
warranties had been made on and as of the date hereof, and (b) no Default or Event of Default exists under the Credit Agreement or any other Loan Document.

This
Amendment may be executed in one or more counterparts, each of which shall constitute an original, but all of which, when taken together, shall constitute but one Amendment.

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IN WITNESS WHEREOF,the Companies and the Lender have caused this Amendment to be duly executed by their duly authorized officers, all as
of the day and year first above written.

| |  | EON LABS, INC.     
| |  | -------------------
| |  | By:                
| |  | Name:              
| |  | Title:             
| |  | EON PHARMA, LLC    
| |  | By:                
| |  | Name:              
| |  | Title:             
| |  | JPMORGAN CHASE BANK
| |  | By:                
| |  | Name:              
| |  | Title:             

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The undersigned not a party to the Credit Agreement but as Guarantor under its Guaranty, hereby accepts and agrees to the terms of this Amendment and further
acknowledge that its Guaranty is in full force and effect.

| |  | FORTE PHARMA, INC.
| |  | ------------------
| |  | By:               
| |  | Name:             
| |  | Title:            

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