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Alrex Side Effects

Generic Name: loteprednol ophthalmic

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

For the Consumer

Applies to loteprednol ophthalmic: ophthalmic gel/jelly, ophthalmic ointment, ophthalmic suspension

In addition to its needed effects, some unwanted effects may be caused by loteprednol ophthalmic (the active ingredient contained in Alrex). 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 loteprednol ophthalmic:

More common
  • Blurred vision or other change in vision
  • redness or swelling of the eye
  • sensitivity of the eyes to light
  • swelling of the membrane covering the white part of the eye
Less common
  • Discharge from the eye
  • eye discomfort, irritation, or pain
  • redness of the eyelid or inner lining of the eyelid
  • tiny bumps on the inner lining of the eyelid
Incidence not known
  • Blindness
  • delayed wound healing
  • loss of vision
  • nausea or vomiting

Some of the side effects that can occur with loteprednol 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:

More common
  • Burning when medicine is applied
  • dry eyes
  • feeling of something in the eye
  • headache
  • itching
  • runny nose
  • sore throat
  • tearing or watery eye

For Healthcare Professionals

Applies to loteprednol ophthalmic: ophthalmic gel, ophthalmic ointment, ophthalmic suspension


Very common (10% or more): Anterior chamber inflammation with ointment (25%), occurring in 5 to 15% of patients: Abnormal vision/blurring, burning on instillation, chemosis, discharge, dry eyes, epiphora, foreign body sensation, itching, photophobia
Common (1% to 10%): Anterior chamber inflammation with gel (5%), conjunctival hyperemia, corneal edema, eye pain, foreign body sensation, occurring in less than 5% of patients: conjunctivitis, corneal abnormalities, eyelid erythema, keratoconjunctivitis, ocular irritation/discomfort, papillae, uveitis
Frequency not reported: Elevated intraocular pressure (may be associated with infrequent optic nerve damage), visual acuity and field defects, posterior subcapsular cataract formation, delayed wound healing, secondary ocular infection (including herpes simplex), perforation of the globe (where there is thinning of the cornea or sclera), keratitis, corneal ulcers, loss of accommodation, ptosis[Ref]

Randomized studies involving patients treated with loteprednol etabonate therapy for 28 days or longer revealed the incidence of significant elevation in intraocular pressure (>= 10 mmHg) was 2% (15/901) with loteprednol etabonate, 7% (11/164) with 1% prednisolone acetate and 0.5% (3/583) with placebo.[Ref]


Very common (10% or more): Occurring in less than 15% of patients: rhinitis, pharyngitis[Ref]

Nervous system

Very common (10% or more): Headache[Ref]


1. "Product Information. Alrex (loteprednol ophthalmic)." Bausch and Lomb, Tampa, FL.

2. "Product Information. Lotemax (loteprednol ophthalmic)." Bausch and Lomb, Tampa, FL.

3. "Product Information. Zylet (loteprednol-tobramycin ophthalmic)." Bausch and Lomb, Rochester, NY.

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

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.