About timolol maleate
Non-selective beta-blocker eye medicine
Used for
- Lowers pressure inside the eye in open-angle glaucoma or ocular hypertension.
Usual adult dose
Usually one drop in the affected eye(s) once daily; follow the specific product instructions.
Common side effects
- Eye irritation, burning, or blurred vision
- Slow heart rate or low blood pressure
- Breathing difficulty or wheezing
- Fatigue or dizziness
Important warnings
- Can worsen asthma, severe lung disease, slow heartbeat, or heart block.
- Eye drops can enter the bloodstream and cause effects throughout the body.
- May mask signs of low blood sugar in people with diabetes.
- Do not stop glaucoma treatment abruptly without medical direction.
Pregnancy
Use only when clearly needed; systemic absorption may affect the fetus, so risks and benefits require assessment.
Breastfeeding
Small amounts may enter breast milk; use requires assessment of benefits and potential infant effects.
Interactions
- Other beta-blockers can increase effects on heart rate and blood pressure.
- Verapamil, diltiazem, or other heart medicines may increase slow-heartbeat risk.
- Diabetes medicines: timolol may mask warning signs of low blood sugar.
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 It may be incomplete or out of date.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.