Dorzolamide (Ophthalmic).

A commonly used brand name in the U.S. is Trusopt.

Description Dorzolamide (dor-ZOLE-a-mide) is a carbonic anhydrase inhibitor that is used in the eye. It is used to treat increased pressure in the eye caused by open-angle glaucoma. It is also used to treat a condition called hypertension of the eye.

Dorzolamide is available only with your doctor's prescription, in the following dosage form:

 
   Ophthalmic 
      o Ophthalmic solution (eye drops) (U.S.) 
 

Before Using This Medicine In deciding to use a medicine, the risks of using the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For ophthalmic dorzolamide, the following should be considered:

Allergies -- Tell your doctor if you have ever had any unusual or allergic reaction to ophthalmic dorzolamide or to any of the sulfonamides (sulfa medicines); furosemide (e.g., Lasix) or thiazide diuretics (water pills); oral antidiabetics (diabetes medicine you take by mouth); or the carbonic anhydrase inhibitor-type glaucoma medicine you take by mouth (for example, acetazolamide [e.g., Diamox], dichlorphenamide [e.g., Daranide], or methazolamide [e.g., …