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Betimol

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Betimol

Betimol

Betimol Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Betimol (timolol) Ophthalmic Solution is a beta-blocker used to treat open-angle glaucoma and other causes of high pressure inside the eye. Common side effects include blurred vision, double vision, drooping eyelid, burning or stinging in your eye, headache, weakness, drowsiness, numbness, tingling, or cold feeling in your hands or feet, ringing in your ears, dry mouth, nausea, diarrhea, loss of appetite, upset stomach, skin rash or worsening psoriasis, insomnia, cough, or stuffy nose

The usual starting dose is one drop of 0.25 percent Betimol in the affected eye(s) twice a day. Betimol may interact with clonidine, quinidine, reserpine, digitalis, acetazolamide, dichlorphenamide, methazolamide, oral timolol, other beta-blockers, calcium channel blockers, or antidepressants. Tell your doctor all medications and supplements you use. During pregnancy, only use Betimol if prescribed. Betimol passes into breast milk and could harm a nursing baby. Consult your doctor before breastfeeding.

Our Betimol (timolol) Ophthalmic Solution Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information in Detail?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Betimol in Detail - Patient Information: Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have any of these serious side effects:

  • swelling or redness of your eyelids;
  • eye redness, discomfort, or sensitivity to light;
  • drainage, crusting, or oozing of your eyes or eyelids;
  • depressed mood, confusion, hallucinations, unusual thoughts or behavior;
  • wheezing, gasping, or other breathing problems;
  • swelling, rapid weight gain;
  • chest pain, slow or uneven heart rate; or
  • feeling short of breath, even with mild exertion.

Less serious side effects may include:

  • blurred vision, double vision, drooping eyelid;
  • burning or stinging in your eye;
  • headache, weakness, drowsiness;
  • numbness, tingling, or cold feeling in your hands or feet;
  • ringing in your ears;
  • dry mouth;
  • nausea, diarrhea, loss of appetite, upset stomach;
  • skin rash or worsening psoriasis;
  • sleep problems (insomnia); or
  • cough, stuffy nose.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Betimol (Timolol Ophthalmic Solution) »

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Betimol FDA Prescribing Information: Side Effects
(Adverse Reactions)

SIDE EFFECTS

The most frequently reported ocular event in clinical trials was burning/stinging on instillation and was comparable between Betimol® and timolol maleate (approximately one in eight patients).

The following adverse events were associated with use of Betimol® (timolol ophthalmic solution) in frequencies of more than 5% in two controlled, double-masked clinical studies in which 184 patients received 0.25% or 0.5% Betimol® (timolol ophthalmic solution) :

Ocular

Dry eyes, itching, foreign body sensation, discomfort in the eye, eyelid erythema, conjunctival injection, and headache.

Body as a whole

Headache.

The following side effects were reported in frequencies of 1 to 5%:

Ocular

Eye pain, epiphora, photophobia, blurred or abnormal vision, corneal fluorescein staining, keratitis, blepharitis and cataract.

Body as a whole

Allergic reaction, asthenia, common cold and pain in extremities.

Cardiovascular

Hypertension.

Digestive

Nausea.

Metabolic/nutritional

Peripheral edema.

Nervous System/Psychiatry

Dizziness and dry mouth.

Respiratory

Respiratory infection and sinusitis.

In addition, the following adverse reactions have been reported with ophthalmic use of beta blockers:

Ocular

Conjunctivitis, blepharoptosis, decreased corneal sensitivity, visual disturbances including refractive changes, diplopia and retinal vascular disorder.

Body as a whole

Chest pain.

Cardiovascular

Arrhythmia, palpitation, bradycardia, hypotension, syncope, heart block, cerebral vascular accident, cerebral ischemia, cardiac failure and cardiac arrest.

Digestive

Diarrhea.

Endocrine

Masked symptoms of hypoglycemia in insulin dependent diabetics (See WARNINGS).

Nervous system/psychiatry

Depression, impotence, increase in signs and symptoms of myasthenia gravis and paresthesia.

Respiratory

Dyspnea, bronchospasm, respiratory failure and nasal congestion.

Skin

Alopecia, hypersensitivity including localized and generalized rash, urticaria.

Read the entire FDA prescribing information for Betimol (Timolol Ophthalmic Solution) »

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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