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Micromedex DrugNotes [Internet]. Truven Health Analytics, an IBM company; 1974-2016.

Micromedex DrugNotes [Internet].

Tetrahydrozoline (Into the eye)

Tetrahydrozoline (tet-ra-hye-DROZ-oh-leen)

Published: November 1, 2016.

Treats redness of your eyes caused by certain allergies.

Brand Name(s)

Altazine, Eye Drop Original, Eye Drops, Good Neighbor Pharmacy Eye Drops, Opti-Clear, Optigene 3, Visine

There may be other brand names for this medicine.

When This Medicine Should Not Be Used

You should not use this medicine if you have had an allergic reaction to tetrahydrozoline.

How to Use This Medicine

Liquid, Drop

  • Your doctor will tell you how much medicine to use. Do not use more than directed.
  • Follow the instructions on the medicine label if you are using this medicine without a prescription.
  • Wash your hands with soap and water before and after using this medicine.
  • Shake the eye drops well just before each use.
  • Lie down or tilt your head back. With your index finger, pull down the lower lid of your eye to form a pocket.
  • To use the eye drops: Hold the dropper close to your eye with the other hand. Drop the correct number of drops into the pocket made between your lower lid and eyeball. Gently close your eyes. Place your index finger over the inner corner of your eye for 1 minute. Do not rinse or wipe the dropper or allow it to touch anything, including your eye. Put the cap on the bottle right away. Keep the bottle upright when you are not using it.
  • Do not use the eye drops if the solution has turned cloudy or changed color.

If a dose is missed:

  • This medicine is to be taken as needed. Follow the directions on the package.

How to Store and Dispose of This Medicine:

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of the used medicine container and any leftover medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Drugs and Foods to Avoid

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine

  • Make sure your doctor knows if you are pregnant or breast feeding, or if you have glaucoma.
  • You should not wear contact lenses while using this medicine.
  • You should not use this medicine for your child under 6 years of age without a doctor's approval.
  • This medicine may make your pupils large temporarily.
  • Call your doctor if your symptoms do not improve or if they get worse.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Changes in your vision.
  • Pain, redness, or irritation in your eyes.

If you notice other side effects that you think are caused by this medicine, tell your doctor.

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

Copyright © 2016. Truven Health Analytics, an IBM company. All rights reserved. Use of this content is subject to Truven Health Analytics' full disclaimer, available above.

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