Generic Trusopt

Common use

Trusopt (dorzolamide) is prescribed for the treatment of open-angle glaucoma or ocular hypertension. It works as a carbonic anhydrase inhibitor, decreasing the production of aqueous humor in the eye, which helps reduce intraocular pressure and prevent damage to the optic nerve.

Dosage and direction

Trusopt is usually applied as one drop in the affected eye(s) two or three times daily, or as directed by your eye doctor. Tilt your head back, gently pull down the lower eyelid, and instill the drop into the conjunctival sac. Avoid touching the dropper tip to your eye or any surface.

Precautions

Inform your doctor if you have kidney disease, a history of eye infections, or a sulfonamide allergy. Avoid wearing contact lenses while applying Trusopt unless specifically advised.

Contraindications

Do not use Trusopt if allergic to dorzolamide, sulfonamides, or any component of the eye drops.

Possible side effect

Common side effects include temporary blurred vision, eye burning or stinging, bitter taste, or mild eye discomfort. Rare but serious side effects may include eye swelling, redness, or signs of allergic reaction. Seek medical attention if severe symptoms occur.

Drug interaction

Trusopt may interact with other carbonic anhydrase inhibitors or medications affecting kidney function. Inform your doctor about all prescription drugs, over-the-counter products, and supplements you are taking.

Missed dose

If a dose is missed, apply it as soon as you remember and continue with the regular schedule. Do not double the dose.

Overdose

Overdose may cause eye irritation or systemic effects if excessive amounts are absorbed. Seek medical attention if overdose is suspected.

Storage

Store Trusopt at room temperature, away from heat and light. Keep the bottle tightly closed and out of reach of children. Avoid freezing.

Disclaimer

We provide only general information about medications which does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences of self-treatment.

Clinical Verification

Last Clinically Updated: August 15, 2026

Written By

Dr. Elena Vance, PharmD

Clinical Specialist in Neuropharmacology

Fact Checked By

Marcus Thorne, MS

Biomedical Data & FDA Label Verification

Medically Reviewed By

Dr. Arthur Campbell, MD

Board-Certified Psychiatrist (ABPN)