Phentolamine (Into the eye)
Phentolamine (fen-TOL-a-meen)
Treats mydriasis (dilated or enlarged pupil of the eye) caused by certain medicines (including phenylephrine or tropicamide).
Brand Name(s):
There may be other brand names for this medicine.When This Medicine Should Not Be Used:
This medicine is not right for everyone. Do not use it if you had an allergic reaction to phentolamine.How to Use This Medicine:
Liquid, Drop
- Your doctor will tell you how much medicine to use. Do not use more than directed.
- Wash your hands with soap and water before and after using this medicine.
- 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.
- If you are wearing contact lenses, remove them before you use the eye drops. Wait at least for 10 minutes before putting the contact lenses back in.
- Missed dose: Apply a dose as soon as you can. If it is almost time for your next dose, wait until then and apply a regular dose. Do not apply extra medicine to make up for a missed dose.
- Store in the refrigerator. Protect from freezing. You may store the opened medicine at room temperature for up to 14 days.
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:
- Tell your doctor if you are pregnant or breastfeeding, or if you have other eye problems (including active eye swelling).
- Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
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
- Redness of the white part of eyes or inside of eyelids
If you notice these less serious side effects, talk with your doctor:
- Burning, discomfort, pain, or stinging where the medicine is applied
- Change or loss of taste
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
Last Updated: 9/6/2024
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