home > drugs a-z list > timoptic (timolol maleate ophthalmic solution) drug center > timoptic (timolol maleate ophthalmic solution) drug - consumer side effects and precautions

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: eye pain/swelling/discharge, slow/irregular heartbeat, muscle weakness, mental/mood changes, coldness/numbness/pain in the hands or feet.

Tell your doctor immediately if any of these rare but very serious side effects occur: vision changes, unusual tiredness/weakness.

Seek immediate medical attention if any of these rare but very serious side effects occur: trouble breathing, sudden unexplained weight gain, chest pain, weakness on one side of the body, slurred speech, confusion, persistent dizziness, fainting.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before using timolol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as preservatives like benzalkonium chloride), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: lung disease (e.g., current or past history of asthma, severe chronic obstructive pulmonary disease), certain types of irregular heartbeats (e.g., sinus bradycardia, second or third degree AV block), certain types of heart disease (e.g., severe heart failure, cardiogenic shock).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, diabetes, low blood flow to the brain (cerebrovascular insufficiency), overactive thyroid disease, muscle weakness disorders, severe allergies.

If you develop an eye infection or injury, or have eye surgery, check with your doctor about whether you should continue to use your current bottle of timolol. You may be advised to start using a new bottle.

Before having surgery, tell your doctor or dentist that you are using this medication.

This drug may make you dizzy or drowsy or cause temporary blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.

This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.

This drug passes into breast milk. Consult your doctor before breast-feeding.