Skip to main content

Flarex Side Effects

Generic name: fluorometholone ophthalmic

Medically reviewed by Last updated on Jan 5, 2024.

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

Applies to fluorometholone ophthalmic: ophthalmic suspension.

Serious side effects of Flarex

Along with its needed effects, fluorometholone ophthalmic (the active ingredient contained in Flarex) 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 immediately if any of the following side effects occur while taking fluorometholone ophthalmic:

Incidence not known

Other side effects of Flarex

Some side effects of fluorometholone 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:

Incidence not known

For Healthcare Professionals

Applies to fluorometholone ophthalmic: compounding powder, ophthalmic ointment, ophthalmic suspension.


Common (1% to 10%): Increased intraocular pressure

Very rare (less than 0.01%): Corneal calcification (in association with the use of phosphate containing eye drops in some patients with significantly damaged corneas)

Frequency not reported: Eye irritation, conjunctival/ocular hyperemia, eye pain, visual disturbance, foreign body sensation in eyes, eyelid edema, blurred vision, eye discharge, eye pruritus, increased lacrimation, eye edema/eye swelling, mydriasis, cataract (including subcapsular), ulcerative keratitis, ocular infection (including bacterial, fungal, and viral infections), visual field defect, punctate keratitis, acute anterior uveitis, perforation of the globe, conjunctivitis, corneal ulcers, loss of accommodation, ptosis, ocular irritation, blurry vision[Ref]


Frequency not reported: Dysgeusia[Ref]


Rare (less than 0.1%): Systemic hypercorticoidism[Ref]


Frequency not reported: Rash[Ref]


Frequency not reported: Hypersensitivity[Ref]

Nervous system

Frequency not reported: Taste perversion[Ref]


The most commonly reported side effect was increased intraocular pressure.[Ref]


1. "Product Information. FML S.O.P. (fluorometholone ophthalmic)." Allergan Inc

2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

3. Cerner Multum, Inc. "Australian Product Information."

4. (2013) "Product Information. Flarex (fluorometholone ophthalmic)." A-S Medication Solutions

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.