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Cromolyn ophthalmic Side Effects

Medically reviewed by Last updated on Jun 1, 2023.

Applies to cromolyn ophthalmic: ophthalmic solution.

Serious side effects of Cromolyn ophthalmic

Along with its needed effects, cromolyn ophthalmic 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 cromolyn ophthalmic:


Other side effects of Cromolyn ophthalmic

Some side effects of cromolyn 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:

More common

Less common or rare

For Healthcare Professionals

Applies to cromolyn ophthalmic: ophthalmic solution.


The most commonly reported side effect includes eye irritation such as burning/stinging.[Ref]


Uncommon: Conjunctival infection; watery eyes, itchy eyes, dryness around the eye, puffy eyes, eye irritation, styes, swelling of the eyelids, conjunctiva swelling[Ref]

Swelling of the eyelids or the conjunctiva has been reported and is thought to be due to a hypersensitivity to the preservative, benzalkonium chloride.[Ref]


Rare: Immediate hypersensitivity reactions including edema, rash, dyspnea[Ref]


1. Cerner Multum, Inc. UK Summary of Product Characteristics.

2. Cerner Multum, Inc. Australian Product Information.

3. Product Information. Cromolyn Sodium Ophthalmic (cromolyn ophthalmic). Akorn Inc. 2022.

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.