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Flarex Side Effects

Generic Name: fluorometholone ophthalmic

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

Not all side effects for Flarex may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to fluorometholone ophthalmic: ophthalmic ointment, ophthalmic suspension

In addition to its needed effects, some unwanted effects may be caused by fluorometholone ophthalmic (the active ingredient contained in Flarex). In the event that any of these side effects do occur, they may require medical attention.

You should check with your doctor immediately if any of these side effects occur when taking fluorometholone ophthalmic:

Incidence not known
  • Bigger, dilated, or enlarged pupils (black part of the eye)
  • blurred vision or other change in vision
  • burning, dry, or itching eyes
  • decreased vision
  • delayed wound healing
  • discharge from eye
  • headache
  • increased sensitivity of the eyes to light
  • nausea or vomiting
  • redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid
  • tearing

Some of the side effects that can occur with fluorometholone ophthalmic may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

Incidence not known
  • Burning and stinging sensation when medicine is applied
  • drooping upper eyelids
  • feeling of having something in the eye

For Healthcare Professionals

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


Frequency not reported: Elevation of intraocular pressure (IOP), development of glaucoma with optic nerve damage, posterior subcapsular cataract formation, perforation of the globe, transient burning and stinging upon instillation, ocular irritation, foreign body sensation, erythema of eyelid, eyelid edema/eye swelling, eye discharge, eye pain, eye pruritus, increased lacrimation, visual disturbance (blurry vision), visual field defect[Ref]

Corticosteroid-containing preparations have caused acute anterior uveitis, keratitis, conjunctivitis, corneal ulcers, mydriasis, conjunctival hyperemia, loss of accommodation, ptosis.[Ref]


Frequency not reported: Development of secondary ocular infection (bacterial, fungal and viral)[Ref]


Frequency not reported: Taste perversion[Ref]


Frequency not reported: Systemic Hypercorticoidism[Ref]


Frequency not reported: Rash, delayed wound healing[Ref]


Frequency not reported: Allergic reactions[Ref]


1. "Product Information. FML Ophthalmic Suspension (fluoromethalone ophthalmic)." Allergan Inc, Irvine, CA.

2. "Product Information. Flarex (fluorometholone ophthalmic)." A-S Medication Solutions, Chicago, IL.

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