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Naphcon Side Effects

Generic name: naphazoline ophthalmic

Note: This document contains side effect information about naphazoline ophthalmic. Some of the dosage forms listed on this page may not apply to the brand name Naphcon.

Applies to naphazoline ophthalmic: ophthalmic solution

Side effects requiring immediate medical attention

Along with its needed effects, naphazoline ophthalmic (the active ingredient contained in Naphcon) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur while taking naphazoline ophthalmic:

With overuse or long-term use

  • Increase in eye irritation

Symptoms of too much medicine being absorbed into the body

  • Dizziness
  • headache
  • increased sweating
  • nausea
  • nervousness
  • weakness

Symptoms of overdose

  • Decrease in body temperature
  • drowsiness
  • slow heartbeat
  • weakness (severe)

Side effects not requiring immediate medical attention

Some side effects of naphazoline ophthalmic may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare

  • Blurred vision
  • large pupils

Medically reviewed by Drugs.com. Last updated on Nov 3, 2020.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.