Naphcon A

Medical Editor: John P. Cunha, DO, FACOEP Last updated on RxList: 4/25/2023

Drug Summary

What Is Naphcon A?

Naphcon A (naphazoline hydrochloride and pheniramine maleate) is a combination of a decongestant/redness reliever and an antihistamine used for the temporary relief of redness and itching of the eye(s) due to ragweed pollen, grass, and animal dander and hair. Naphcon A is available over-the-counter (OTC).

What Are Side Effects of Naphcon A?

Naphcon A may cause serious side effects including:

  • hives,
  • difficulty breathing,
  • swelling of your face, lips, tongue, or throat,
  • ongoing or worsening eye redness,
  • eye pain, and
  • changes in your vision

Get medical help right away, if you have any of the symptoms listed above.

Common side effects of Naphcon A include:

  • eye stinging or redness,
  • dilated pupils, or
  • blurred vision

Seek medical care or call 911 at once if you have the following serious side effects:

  • Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheadedness, or passing out;
  • Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

Dosage for Naphcon A

The dose of Naphcon A for adults and children 6 years and over is 1 or 2 drops in the affected eye(s) up to 4 times daily.

What Drugs, Substances, or Supplements Interact with Naphcon A?

Naphcon A may interact with MAO inhibitors, drugs for high blood pressure, and tricyclic antidepressants. Tell your doctor all medications and supplements you use.

Naphcon A During Pregnancy or Breastfeeding

Tell your doctor if you are pregnant or plan to become pregnant before using Naphcon A; it is unknown if it would affect a fetus. It is unknown if Naphcon A passes into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Naphcon A (naphazoline hydrochloride and pheniramine maleate) Solution/Drops Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

Drug Description

DESCRIPTION

Active ingredients Purpose
Naphazoline hydrochloride 0.025%
Redness reliever
Pheniramine maleate 0.3% Antihistamine

Indications & Dosage

INDICATIONS

For the temporary relief of redness and itching of the eye(s) due to:

  • ragweed
  • pollen
  • grass
  • animal dander and hair

DOSAGE AND ADMINISTRATION

Directions

  • adults and children 6 years and over: put 1 or 2 drops in the affected eye(s) up to 4 times daily
  • children under 6 years: ask a doctor

HOW SUPPLIED

Other Information

Store at 20°-25°C (68°-77°F)
Protect from light

Inactive Ingredients

benzalkonium chloride, boric acid, edetate disodium, purified water, sodium borate, sodium chloride, sodium hydroxide and/or hydrochloric acid

Questions?

In the U.S. call 1-800-757-9195 or visit www.alcon.com

Manufactured by: ALCON LABORATORIES, INC. 6201 South Freeway, Fort Worth, TX 76134. Revised: Nov 2009

Side Effects & Drug Interactions

SIDE EFFECTS

No information provided.

DRUG INTERACTIONS

No information provided.

 

Warnings & Precautions

WARNINGS

For external use only

Do not use

  • if you are sensitive to any ingredient in this product
  • if this solution changes color or becomes cloudy

Ask a doctor before use if you have

When us ing this product

  • pupils may become enlarged temporarily causing light sensitivity
  • overuse may cause more eye redness
  • remove contact lenses before using to avoid contamination, do not touch tip of container to any surface
  • replace cap after each use

Stop use and ask a doctor if

  • you feel eye pain
  • changes in vision occur
  • redness or irritation of the eye(s) gets worse or lasts more than 72 hours

Keep out of the reach of children.

If swallowed, get medical help or contact a Poison Control Center right away. Accidental swallowing by infants and children may lead to coma and marked reduction in body temperature.

PRECAUTIONS

See above section

Overdose & Contraindications

OVERDOSE

No information provided.

CONTRAINDICATIONS

No information provided.

Clinical Pharmacology

CLINICAL PHARMACOLOGY

No information provided.

Medication Guide

PATIENT INFORMATION

For external use only

Do not use

  • if you are sensitive to any ingredient in this product
  • if this solution changes color or becomes cloudy

Ask a doctor before use if you have

  • narrow angle glaucoma
  • heart disease
  • high blood pressure
  • trouble urinating

When us ing this product

  • pupils may become enlarged temporarily causing light sensitivity
  • overuse may cause more eye redness
  • remove contact lenses before using to avoid contamination, do not touch tip of container to any surface
  • replace cap after each use

Stop use and ask a doctor if

  • you feel eye pain
  • changes in vision occur
  • redness or irritation of the eye(s) gets worse or lasts more than 72 hours

Keep out of the reach of children.

If swallowed, get medical help or contact a Poison Control Center right away. Accidental swallowing by infants and children may lead to coma and marked reduction in body temperature.

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