How does timolol work?
Timolol blocks beta receptors in the eye, reducing the production of aqueous humor (fluid inside the eye), which helps lower intraocular pressure and reduces the risk of optic nerve damage.
What is timolol used to treat?
Timolol is commonly prescribed for:
- Glaucoma (to prevent optic nerve damage caused by high eye pressure)
- Ocular hypertension (to lower elevated eye pressure and prevent vision loss)
Who can take timolol?
Timolol is suitable for most adults, as prescribed by a doctor.
Who might not be able to take timolol?
Timolol may not be suitable if you:
- Have asthma or severe breathing problems
- Have low blood pressure or slow heart rate (bradycardia)
- Have certain heart conditions
- Have a history of severe allergic reactions
Can I take timolol if I’m pregnant or breastfeeding?
Timolol isn’t usually recommended during pregnancy or breastfeeding, but your doctor will assess the risks and benefits before prescribing it.
What if I miss a dose?
If you forget a dose, apply it as soon as you remember. If it’s close to your next dose, skip the missed one—do not use extra drops to make up for it.
How effective is timolol?
Timolol is highly effective at reducing intraocular pressure and preventing vision loss when used as prescribed.
What should I do if I use too much?
Using too much timolol can cause eye irritation, blurred vision, or dizziness. If symptoms persist, seek medical advice.
What dose of timolol is usually taken?
- For glaucoma and ocular hypertension: One drop in the affected eye(s) once or twice daily
Your doctor will determine the correct dose based on your condition.
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What are the side effects of timolol?
Common side effects include:
- Eye irritation or redness
- Blurred vision
- Dry eyes
- Mild burning or stinging
Serious side effects, such as difficulty breathing, slow heart rate, or severe allergic reactions, require urgent medical attention.
How should I use timolol?
Timolol is available as eye drops. Follow these steps for proper use:
- Wash your hands before use.
- Tilt your head back and gently pull down your lower eyelid.
- Apply one drop into the affected eye(s), avoiding direct contact with the dropper.
- Close your eye for a few moments and avoid blinking excessively.
If using other eye medications, wait at least 5 minutes between applications.
When should timolol be taken?
Timolol should be taken once or twice daily, as prescribed by your doctor.
What are the brand names for timolol?
Timolol is available as a generic medicine, but some branded versions include:
- Timoptol
- Betimol
- Istalol
Final thoughts
Timolol is an effective treatment for glaucoma and ocular hypertension, but it should be used exactly as prescribed to prevent vision loss and unwanted side effects. If side effects occur, speak to your doctor or pharmacist.
