Table of Contents > Drug > Phenylephrine (Ophthalmic) Print

Phenylephrine (Ophthalmic)

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Notes
Related terms
Uses
Dosing
Safety
Author information

Notes

    Related terms
    • Brand Names: U.S.: AK-DilateT;Altafrin;Mydfrin®;Neofrin;OcuNefrinT [OTC] [DSC]
    • Brand Names: Canada: Dionephrine®;Mydfrin®
    • Pharmacologic Category: Alpha-Adrenergic Agonist ;Ophthalmic Agent, Antiglaucoma;Ophthalmic Agent, Mydriatic

    Uses
    • It is used to treat glaucoma.
    • It is used to treat eye irritation.
    • It is used before an eye exam.
    • Phenylephrine lowers pressure in the eye.
    • It makes the eye pupils larger.

    Dosing

    How to take

    • For the eye only.
    • Wash your hands before and after use.
    • Take out contact lenses before using this drug. Lenses may be put back in 15 minutes after this drug is given. Do not put contacts back in if your eyes are irritated or infected.
    • Do not touch the container tip to the eye, lid, or other skin.
    • Tilt your head back and drop drug into the eye.
    • After use, keep your eyes closed. Put pressure on the inside corner of the eye. Do this for 3 to 5 minutes. This keeps the drug in your eye.
    • Space each eye drug by 5 minutes.

    Missed Dose

    • Use a missed dose as soon as you think about it.
    • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
    • Do not use 2 doses or extra doses.
    • Many times this drug is used on an as needed basis.

    Storage

    • Follow how to store closely.

    Safety



    Warnings

    • Unsafe side effects may happen. This drug cannot be taken while you are taking some other drugs. Check all the drugs you are taking with your doctor.

    Avoid

    • If you have an allergy to phenylephrine or any other part of this drug.
    • If you have a sulfite allergy, talk with your doctor.
    • Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
    • If you have any of these health problems: A fast heartbeat, high blood pressure, or narrow angle glaucoma.

    Precautions

    • Have your eye pressure checked. Talk with your doctor.
    • Check all drugs you are taking with your doctor. This drug may not mix well with some other drugs.
    • Tell your doctor if you are pregnant or plan on getting pregnant.
    • Tell your doctor if you are breast-feeding.

    Side Effects

    • Eye irritation.

    Contact a healthcare provider

    • If you think there was an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat.
    • Very bad headache.
    • Sudden change in eyesight, eye pain, or irritation.
    • Any rash.
    • Health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear an allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs may be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada, take any unused drugs to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th to learn about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Call your doctor for help with any side effects. If in the U.S., you may also call the FDA at 1-800-FDA-1088 or if in Canada, you may also call Health Canada's Vigilance Program at 1-866-234-2345.
    • Talk with the doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2010 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (www.naturalstandard.com)


    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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