Timolol maleate 0.5 %

Category- Allopathy

Medicine Highlights

Timolol maleate Uses  

Timolol Maleate 0.5% belongs to the beta-blocker class of medications. It is useful for the following indications: 

1. Glaucoma (a condition where high eye pressure can damage the optic nerve) 
2. Ocular hypertension (high eye pressure that could lead to glaucoma) 
3. Prevent vision loss caused by high eye pressure 
4. Lower pressure in the eyes before or after certain eye surgeries (as prescribed by a doctor) 

Directions for use

1. Take this medicine exactly as prescribed by your doctor, at the same time each day. 
2. Do not stop taking this medicine without your doctor’s approval, even if you feel better. 
3. If you forget to take this medicine, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose. 

Timolol maleate side effects 

More Common  

1. Mild eye irritation, burning, or stinging 
2. Blurred vision temporarily 
3. Dry eyes 
4. Redness of the eyes  

Less Common

1. Slow heart rate or irregular heartbeat 
2. Low blood pressure 
3. Breathing problems, especially in people with asthma or COPD 
4. Severe eye pain or vision changes 

How Timolol maleate works 

Timolol Maleate is a beta-blocker eye drop that works by reducing the amount of fluid produced in the eye. Less fluid in the eye means lower pressure inside the eye, which helps protect the optic nerve from damage. By keeping the eye pressure under control, Timolol helps prevent vision loss in conditions like glaucoma or ocular hypertension. It does not cure glaucoma, but it helps manage the condition and protect your eyesight. 

Safety Measures and Warning 

Allergy Warning

If you are allergic to Timolol Maleate, using these drops can cause redness, swelling, itching, or a serious allergic reaction. Inform your doctor in case of any allergic reaction 

Asthma or breathing problems

Even though Timolol is used as eye drops, a small amount can enter the bloodstream and make breathing harder. It is not safe for people with asthma or other breathing problems. Always communicate with your doctor about your condition 

Heart Conditions

Timolol eye drops can still affect the heart by slowing down the heart rate or causing irregular heartbeat. This can be risky for people with existing heart conditions. Use this medicine under medical supervision. 

Low blood pressure

The medicine can lower blood pressure further, even when used as eye drops, which might cause dizziness or fainting in people who already have low blood pressure. Always communicate with your doctor about your condition

Timolol maleate Interaction with Food Product

Avoid taking caffeinated food, alcohol and smoking simultaneously as they can cause an increase or decrease in drug action; also, they may cause severe drowsiness and sedation as they act on the brain directly. 

Timolol maleate Interaction with Other Medicines

Avoid taking Timolol Maleate with the following medicines, as it may increase or decrease the desired effect, or in worse cases, it could be fatal: 

Timolol maleate Chemical Structure

IUPAC (International Union of Pure and Applied Chemistry) / Chemical name

Timolol: (Z)-but-2-enedioic acid;(2S)-1-(tert-butylamino)-3-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl) oxy] propan-2-ol    

Intake routine/cycle

Daily dose

Take Timolol maleate exactly as your doctor recommends. The dose may change based on your condition and how well you respond. Do not take more than prescribed without consulting your doctor. 

Missed Dose

If you forget to take your medicine, take the medication as soon as you remember. If it’s nearly time for your next dose, skip the missed one and continue with your regular schedule. Always consult the doctor before making any changes to your dosage. 

Overdose

Do not use more Timolol Maleate drops than prescribed by your doctor. Using too many drops can increase the risk of eye irritation, stinging, redness, or blurred vision. If you experience severe reactions such as swelling around the eyes, eye pain, vision changes, or difficulty breathing, stop using the drops immediately and seek medical attention. 

Storage

1. Store the medicine at room temperature 
2. Keep away from sunlight and moisture 
3. Keep out of reach of children 

Timolol maleate Summary

Timolol Maleate 0.5% is an eye drop (beta-blocker) used to lower high eye pressure in conditions like glaucoma and ocular hypertension. It works by reducing the amount of fluid produced in the eye, which helps protect the optic nerve and prevent vision loss. The drops can also be used before or after certain eye surgeries to control eye pressure, and sometimes for small hemangiomas in infants (to help shrink tiny blood vessel birthmarks).  

Common side effects include mild eye irritation, burning, stinging, blurred vision, dry eyes, or redness, while rare but serious effects may include slow or irregular heartbeat, low blood pressure, or breathing problems. Timolol eye drops should be used exactly as prescribed, and people with asthma, heart problems, very low blood pressure, or allergies to beta-blockers should consult their doctor before use. Always follow your doctor’s instructions when using Timolol eye drops. 

FAQ’s

What are the uses of Timolol Maleate? 

Timolol Maleate eye drops are used to treat high eye pressure in conditions like glaucoma and ocular hypertension. They help protect the optic nerve and reduce the risk of vision loss. 

What are the common side effects of Timolol eye drops? 

Common side effects include mild eye irritation, burning or stinging, blurred vision, dry eyes, and redness. 

Can I use Timolol eye drops for hemangioma? 

Yes, Timolol eye drops can be used topically for small, superficial infantile hemangiomas (tiny skin birthmarks made of extra blood vessels), especially on the skin near the eyes. 

How should I use Timolol eye drops? 

Wash your hands first. Tilt your head back, gently pull down the lower eyelid, and place 1 drop into the affected eye(s). Close your eyes for 1–2 minutes and press the inner corner of your eye lightly (to prevent the medicine from draining). 

What is the price of Timolol Maleate 0.5% eye drops? 

Timolol Maleate 0.5% eye drops price at SayaCare is about 27 rupees only, at SayaCare we provide test report with each medicine. Also, at SayaCare we provide you with up to 80% less cost than the market. 

Reference 

1. PubChem. Timolol Maleate [Internet]. Nih.gov. PubChem; 2025 [cited 2025 Sep 9]. Available from 
2. Timolol maleate | DrugBank Online [Internet]. go.drugbank.com. Available from 
3. Mayo Clinic. Timolol (Ophthalmic Route) Description and Brand Names – Mayo Clinic [Internet]. Mayoclinic.org. 2020. Available from 
4. Timolol maeleate 0.5 % drops: Uses, Side Effects, Price | Generic | SayaCare [Internet]. Sayacare.in. 2025 [cited 2025 Sep 9]. Available from   

Pranathi Chintaluri

Pranathi is a final year Pharm D student at Chalapathi Institute of Pharmaceutical Sciences. She loves learning and applying her knowledge in pharmacy and has a passion for writing, which allows her to express ideas clearly and creatively. She enjoys combining her technical skills with her love for writing and communication to make a meaningful impact. Currently she is working on a research paper about “Consanguineous marriages and its impact on children’s health” which will be published by the end of 2025.