Cetrotide is used to prevent premature ovulation in women undergoing controlled ovarian stimulation (fertility treatment).

Who should not use Cetrotide?

Do not use Cetrotide if: 

• you are allergic to cetrorelix acetate, mannitol or exogenous peptide hormones (medicines similar to Cetrotide); severe allergic reaction is possible. 
• you are pregnant, or think that you might be pregnant, or if you are breast-feeding. It is important not to take Cetrotide.

What are some possible side effects of Cetrotide? (This list is NOT a complete list of side effects reported with Cetrotide. Your health care provider can discuss with you a more complete list of side effects.)

Mild and short lasting reactions may occur at the injection site like reddening, itching, and swelling. Nausea and headache are also possible side effects.  

For more detailed information about Cetrotide, ask your health care provider.