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What is Timolol used for?

Timolol is an ophthalmic medication used to reduce elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma. By lowering high pressure inside the eyes, this medication helps prevent blindness. It belongs to a class of drugs known as beta-blockers. This medicine may also be used to treat other conditions as determined by your doctor.

What is the recommended dosage of Timolol?

The dosage of Timolol prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

What if you miss a dose of Timolol?

If your physician has instructed or directed you to apply Timolol medication in a regular schedule and you have missed a dose of this medicine, apply it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Timolol?

Any medication applied in excess can have serious consequences. If you suspect an overdose of Timolol, seek medical attention immediately.

What other drugs could interact with Timolol?

  • Digoxin
  • Epinephrine
  • Methyldopa
  • Quinidine
  • Reserpine
  • Theophylline

It may be noted that drugs other than those listed above may also interact with Timolol.

Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Timolol, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

Timolol can interact with oral beta-blockers, calcium channel blockers, and certain diabetes medications.

Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

What are the side effects of Timolol?

Like other medicines, Timolol can cause some side effects. If they do occur, the side effects of Timolol are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

It is pertinent to note that side effects of Timolol cannot be anticipated. If any side effects of Timolol develop or change in intensity, the doctor should be informed as soon as possible.

Timolol can cause side effects such as blurred vision, burning, stinging, itching, irritation, and redness in the eyes. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are using Timolol.

What are the questions to ask your doctor before taking Timolol?

Is it possible for me to apply Timolol with other drugs?
Should certain beverages, foods and other products be avoided when I apply Timolol?
What are the possible drug interactions of Timolol?
How will Timolol work in my body?
How should Timolol be applied?
How to reduce the risk of Timolol drug interactions and side effects?


The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. It should not be understood to indicate that the use of Timolol is safe, appropriate or effective for you. Always consult your health care professional before using this, or any other, drug.


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