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Betoptic S

Generic name: betaxolol ophthalmicbay-TAX-oh-lol-off-THAL-mik ]
Drug class: Ophthalmic glaucoma agents

Medically reviewed by on Feb 7, 2024. Written by Cerner Multum.

What is Betoptic S?

Betaxolol is a beta-blocker that reduces pressure inside the eye.

Betoptic S (for the eyes) is used to treat open-angle glaucoma and other causes of high pressure inside the eye.

Betoptic S may also be used for purposes not listed in this medication guide.

Betoptic S side effects

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

Although the risk of serious side effects is low when Betoptic S is used in the eyes, side effects can occur if the medicine is absorbed into your bloodstream.

Betoptic S may cause serious side effects. Stop using Betoptic S and call your doctor at once if you have:

Common side effects of Betoptic S may include:

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.


You should not use Betoptic S if you have a serious heart condition or slow heartbeats.

Before taking this medicine

You should not use this medicine if you are allergic to betaxolol, or if you have:

To make sure Betoptic S is safe for you, tell your doctor if you have:

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It is not known whether betaxolol ophthalmic passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

How should I use Betoptic S?

Follow all directions on your prescription label. Do not use Betoptic S in larger or smaller amounts or for longer than recommended.

The usual dose of this medicine is 1 drop into the affected eye 2 times per day. Follow your doctor's dosing instructions very carefully.

Shake the eyedrops well just before using them.

Do not use this medicine while wearing contact lenses. Betoptic S may contain a preservative that can discolor soft contact lenses. Wait at least 15 minutes after using this medicine before putting in your contact lenses.

Wash your hands before using the eye drops.

To apply the eye drops:

Do not touch the tip of the eye dropper or place it directly on your eye. A contaminated dropper can infect your eye, which could lead to serious vision problems.

Do not use the eye drops if the liquid has changed colors or has particles in it. Call your pharmacist for new medicine.

Tell your doctor right away if you have any eye injury or eye infection.

If you need surgery, including eye surgery, tell the surgeon ahead of time that you are using Betoptic S. You may need to stop using the medicine for a short time.

Store in an upright position at room temperature, away from moisture and heat. Do not freeze. Keep the bottle tightly closed when not in use.

What happens if I miss a dose?

Use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medication.

An overdose of Betoptic S is not expected to produce symptoms unless the medicine is absorbed into your bloodstream. Overdose symptoms may include slow heartbeats, feeling light-headed, trouble breathing, and chest pain or tightness.

What should I avoid while using betaxolol ophthalmic?

Betoptic S can cause blurred vision. Be careful if you drive or do anything that requires you to be able to see clearly.

Do not use other eye medications unless your doctor tells you to.

What other drugs will affect Betoptic S?

Tell your doctor about all your current medicines and any you start or stop using, especially:

This list is not complete. Other drugs may interact with betaxolol ophthalmic, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.