Naphazoline/pheniramine

Naphazoline/pheniramine, sold under the brand name Naphcon-A among others, is a combination eye drop used to help the symptoms of allergic conjunctivitis such as from hay fever.[1] It contains naphazoline and pheniramine.[2] It is used as an eye drop.[2] Use is not recommended for more than three days.[3]

Naphazoline/pheniramine
Combination of
PheniramineAntihistamine
Clinical data
Trade namesNaphcon-A, Opcon-A, Visine-A, others
AHFS/Drugs.comMultum Consumer Information
Pregnancy
category
  • US: C (Risk not ruled out)
    Routes of
    administration    		Eye drop
    Legal status
    Legal status

    Side effects may include allergic reactions, eye pan, and dilated pupils.[4][3] It is unclear if use in pregnancy is safe.[2] Nephazoline works by resulting in constriction of blood vessels thus decreasing redness well pheniramine works by blocking the effects of histamine to stop itching.[2]

    The combination was approved for medical use in the United States in 1994.[5][2] It is available over the counter.[5] In 2016 it was the 206th most prescribed medication in the United States with more than 2 million prescriptions.[5]

    Medical use

    It is administered topically with 1 to 2 drops applied to the affected eye(s) up to 4 times daily.[6]

    Adverse effects

    References
    1. "DailyMed - naphazoline hydrochloride , pheniramine maleate solution/ drops". dailymed.nlm.nih.gov. Retrieved 19 April 2019.
    2. "Naphazoline and pheniramine ophthalmic Uses, Side Effects & Warnings". Drugs.com. Retrieved 19 April 2019.
    3. Kizior, Robert J.; Hodgson, Barbara B. (2014). Saunders Nursing Drug Handbook 2015 - E-Book. Elsevier Health Sciences. p. 163. ISBN 9780323280181.
    4. "Naphazoline/pheniramine ophthalmic Side Effects in Detail". Drugs.com. Retrieved 19 April 2019.
    5. "The Top 300 of 2019". clincalc.com. Retrieved 22 December 2018.
    6. "Naphcon A Official FDA information". https://www.drugs.com. Retrieved 24 April 2013. External link in |publisher= (help)
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