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Tetrahydrozoline Ophthalmic

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(tet ra hye droz' a leen)

Brand name(s): Collyrium Fresh; Eyesine; Murine Plus; Tetrasine; Tetrasine Extra; Visine; Visine Extra

Contents of this page:

Why is this medication prescribed?

Tetrahydrozoline is used to relieve minor eye irritation and redness caused by colds, pollen, and swimming.

This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

How should this medicine be used?

Tetrahydrozoline comes as eyedrops. The eyedrops usually are applied to the affected eyes three or four times a day. Follow the directions on the package label or your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use tetrahydrozoline exactly as directed. Do not use more or less of it or use it more often than directed by your doctor.

To use the eyedrops, follow these instructions:

What special precautions should I follow?

Before using tetrahydrozoline eyedrops,

What should I do if I forget a dose?

Apply the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not apply a double dose to make up for a missed one.

What side effects can this medication cause?

Although side effects from tetrahydrozoline are not common, they can occur. Tell your doctor if any of these symptoms are severe or do not go away:

If you experience any of the following symptoms, stop using tetrahydrozoline and call your doctor immediately:

What storage conditions are needed for this medicine?

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). If the medication becomes discolored, do not use it; obtain a fresh bottle. Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.

What other information should I know?

Keep all appointments with your doctor.

Do not let anyone else use your medication. Ask your pharmacist any questions you have about tetrahydrozoline or your prescription.

If you still have symptoms of eye irritation after using tetrahydrozoline as directed, call your doctor.

Last Revised - 01/01/2003


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The MedMaster™ Patient Drug Information database provides information copyrighted by the American Society of Health-System Pharmacists, Inc., Bethesda, Maryland Copyright© 2004. All Rights Reserved.