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Timolol is used in the treatment of glaucoma (high eye pressure)

How it works

Timolol belongs to a beta-blockers class of medication. It relaxes the blood vessels and reduced the blood pressure. It makes heart relax and pump blood at a slower rate for heart attack patients. In eye, it decreases fluid production and thus decreases pressure.

Common side effects

Nausea, Fatigue, Headache, Breathlessness, Dizziness, Palpitations, Abdominal pain, Slow heart rate, Diarrhoea, Constipation

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Expert advice

  • Consult your doctor whether to continue Timolol before any scheduled surgery.

Frequently asked questions


Q. Is timolol a beta blocker/selective beta blocker/steroid/generic/antibiotic?
Timolol is a beta blocker. It is not a selective beta blocker/steroid/generic/antibiotic

Q. Is timolol preservative free?
The timolol eye drop is preservative fre

Q. Is timolol the same as timoptic or cosopt?
Timoptic and copsopt are brand names of the eye drops containing timolol

Q. Does it need to be refrigerated?
The timolol containing eye drops should not be refrigerated

Q. Does timolol lower blood pressure?
Timolol is used to lower blood pressure

Q. Does it stop growth of hemangiomas?
It may be used to stop growth of hemangiomas (only after prescription from the doctor)

Q. Does timolol cause weight gain/hair loss/ miosis/make eyelashes grow/ cause dry eyes/slow heart rate?
Timolol does not make eyelashes grow. It is a blood pressure lowering medication. It is not known to cause weight gain/hair loss/miosis. It may cause dry eyes/slow heart rate as a side effect. If any side effects of the drug are observed then one should inform the doctor immediately.

Content on this page was last updated on 19 January, 2017, by Dr. Varun Gupta (MD Pharmacology)