Dorzolamide-Timolol (Cosopt) Side Effects

Possible side effects of dorzolamide-timolol are listed below. Tell your doctor if these side effects are severe or persist after a few days.

• Temporary eye irritation (eye itching, burning, stinging, or discomfort)
• Dry eye
• Excessive tearing
• Dizziness
• Sour, bitter, or unusual taste

Rarely, dorzolamide and timolol can cause more serious side effects. Contact your doctor for medical advice about side effects or seek emergency medical help if you develop:

• Blurred vision or decreased vision
• Pink eye
• Redness or swelling of an eyelid
• Unusual or allergic reaction (skin rash, skin pain, hives, itching)
• Swelling of the hands, lower legs, ankles, or feet
• Difficulty breathing or shortness of breath
• Muscle weakness or muscle pain

The above list may not include all the potential adverse effects of dorzolamide-timolol. Contact your healthcare professional if the side effects are unusual or severe or if they do not get better over time. You can also report unusual side effects to the Food and Drug Administration at 1-800-FDA-1088.

Dorzolamide-timolol (Cosopt) Overdose: In case of an overdose, contact your doctor immediately. You can also call the National Poison Control Center at 1-800-222-1222. If a person cannot be awakened, has trouble breathing, has collapsed, or has had a seizure, call 911. Signs and symptoms of an overdose may include headache, dizziness, difficulty breathing or swallowing, shortness of breath, chest pain, and confusion.

Source: FDA