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Cosopt Side Effects

Serious Side Effects

Some side effects with Cosopt, while occurring infrequently, are potentially serious and should be reported immediately to your healthcare provider. Dorzolamide, one of the active ingredients, is a sulfonamide drug and therefore has the potential to cause severe allergic reactions. Be sure to let your healthcare provider know immediately if you develop any signs or symptoms of an allergic reaction, such as:
 
  • An unexplained rash or hives
  • Itching
  • Unexplained swelling, especially of the mouth, lips, or throat
  • Wheezing or difficulty breathing.
     
Timolol, the other active ingredient in Cosopt, is a beta blocker that can cause serious, although rare, side effects, such as:
 
 
Of course, any eye drop can cause problems (such as an eye infection) if it is contaminated, so be sure to avoid touching the tip of the dropper to any surface, including the surface of the eye. Report any signs of an eye infection (such as severe pain, swelling, or redness) to your healthcare provider right away.
 

Cosopt Eye Drops

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