About dorzolamide hydrochloride timolol maleate
Carbonic anhydrase inhibitor and beta blocker
Used for
- Lowers eye pressure in open-angle glaucoma
- Lowers eye pressure in ocular hypertension
Usual adult dose
One drop in the affected eye or eyes twice daily.
Usual dose in children
Not established for children under 2 years; older children may use the adult dose under specialist supervision.
Common side effects
- Eye burning, stinging, or discomfort
- Bitter taste
- Blurred vision
- Slow heartbeat or breathing difficulty
Important warnings
- Can worsen asthma, severe chronic lung disease, or certain heart conditions.
- May mask signs of low blood sugar in people with diabetes.
- Remove contact lenses before use; reinsert after 15 minutes.
- Close the eye and press the inner corner briefly to limit absorption.
Pregnancy
Use only when clearly needed; systemic absorption may affect the fetus, especially late in pregnancy.
Breastfeeding
Use caution; timolol may enter breast milk and affect the infant.
Interactions
- Other beta blockers may increase effects on heart rate and blood pressure.
- Some calcium-channel blockers can increase risk of slow heartbeat.
- Certain antidepressants, including fluoxetine or paroxetine, may increase timolol effects.
- Other eye medicines may interact; separate drops by at least 10 minutes.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.