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Loteprednol Etabonate


Alrex is an FDA-approved eye drop containing the active ingredient Loteprednol Etabonate, a corticosteroid used to treat inflammatory eye conditions such as allergic conjunctivitis. Loteprednol etabonate reduces eye inflammation and alleviates symptoms such as itching, redness, and swelling. Alrex eye drops are available in a strength of 0.2% and are typically administered as one to two drops into the affected eye(s) four times daily. Common Alrex side effects may include temporary stinging or burning sensation upon application, blurred vision, and increased eye pressure. Following dosage instructions carefully is essential, avoiding missing doses and storing Alrex at room temperature, away from moisture and heat. 

Product Overview

Alrex is an FDA-approved ophthalmic suspension used to treat inflammatory conditions of the eye, such as allergic conjunctivitis. The active ingredient in Alrex is Loteprednol Etabonate, a corticosteroid with potent anti-inflammatory properties. Loteprednol Etabonate reduces inflammation in the eye, thereby alleviating symptoms such as redness, itching, and swelling associated with allergic conjunctivitis. It is available in a suspension form with a strength of Loteprednol Etabonate 0.2%. 

To use Alrex, shake the bottle well before each dose and instill one to two drops into the affected eye(s) as directed by your healthcare provider. Alrex eye drops are typically used two to four times daily, depending on the severity of the condition. However, it should be used with caution in specific populations, such as individuals with a history of glaucoma or cataracts. Common side effects may include temporary stinging or burning sensation upon administration and blurred vision. 

It is essential to follow your healthcare provider’s advice and report any persistent or severe Alrex side effects. Precautions should be taken to avoid contamination of the dropper tip, and the bottle should be stored at room temperature, away from light and moisture. If a dose is missed, it should be taken as soon as remembered unless it is almost time for the next dose, in which case the missed dose should be skipped.

Uses of Alrex

Alrex is used for the treatment of:

  • Allergic conjunctivitis
  • Eyes inflammation

How to Use Alrex?


Alrex is available in the form of ophthalmic suspension (eye drops) and has a strength:

  • Loteprednol Etabonate 0.2% (2 mg/ml)

Recommended Dosage for Alrex

For Adults with Allergic Conjunctivitis

  • One to two drops into the affected eye(s) four times daily. Treatment duration typically lasts for a short term (2 weeks).

For Adults with Eye Inflammation

  • One to two drops into the affected eye(s) four times daily. Treatment duration may vary based on the severity of inflammation and individual response. 

For Children (18 Years or Younger)

  • Not approved

[Note: Remember these recommendations for Alrex eye drops may vary depending on person to person. Discuss it with your healthcare provider, and they’ll modify your dosage accordingly.]

How to Take It?

To instill Alrex eye drops, follow these general steps:

Step 1. Before administering the eye drops, wash your hands thoroughly with soap and water to prevent any potential contamination.

Step 2. Shake the bottle of Alrex well before each use to ensure the medication is evenly mixed.

Step 3. Make a small pocket by tilting your head and pulling down your lower eyelid.

Step 4. Hold the bottle of Alrex over your eye, being careful not to touch the tip of your eye or any other surface. Squeeze the prescribed number of drops into the pocket formed by your lower eyelid. Repeat this process for the other eye if you are using drops in both eyes.

Step 5. Close your eyes gently and press on the inner corner of your eye with your finger for about one to two minutes. This helps to prevent the medication from draining out and increases its absorption.

Step 6. If any excess medication is around your eye, gently wipe it away with a clean tissue.

Step 7. Recap the bottle securely to prevent contamination and maintain the medication’s integrity.

Step 8. Rewash your hands after administering the eye drops to remove any residue.

[Note: Your doctor will decide the right amount for you based on your condition, following guidelines and studies on the Alrex eye drops. They’ll adjust it as needed over time.]

How Does Alrex Eye Drops Work?

Alrex works as a corticosteroid medication by primarily targeting eye inflammation. By inhibiting the production of inflammatory mediators like prostaglandins and leukotrienes, it reduces the migration of inflammatory cells to the site of inflammation within the eye. This action curbs swelling, redness, and itching associated with allergic conjunctivitis and postoperative ocular inflammation. Its immunosuppressive properties help prevent exaggerated immune responses, mitigating tissue damage and symptoms. Its selective glucocorticoid receptor binding and metabolism aim to minimize systemic side effects commonly linked with corticosteroids, making it a targeted and effective treatment for eye inflammation.

Important Safety Information

Side Effects

Common side effects of Alrex eye drops may include:

  • Temporary stinging or burning sensation upon application
  • Temporary blurred vision
  • Eye irritation or discomfort
  • Watery eyes
  • The sensation of something in the eye
  • Feeling nervous
  • Light sensitivity
  • Sore throat
  • Painful eyes

Mild side effects of Alrex eye drops may include:

  • Dry eyes
  • Headache
  • Unpleasant taste in the mouth (if drops enter the mouth)
  • Mild allergic reactions such as itching or redness around the eyes

Serious side effects of Alrex eye drops may include:

  • Increased intraocular pressure (IOP)
  • Redness of the eyelid or inner lining of the eyelid
  • Tiny bumps on the inner lining of the eyelid
  • Glaucoma
  • Cataract formation with prolonged use
  • Delayed wound healing
  • Vision changes, including reduced visual acuity
  • Eye pain or swelling
  • Signs of an eye infection, like discharge, redness, or swelling
  • Allergic reactions such as rash, itching, swelling, severe dizziness, or trouble breathing

[Note: This list may not cover all possible Alrex side effects. Always consult with your healthcare giver for medical advice about side effects.]


  • Increased Risk of Eye Infection: Corticosteroids like loteprednol can weaken the immune system, making infections easier. If you have a pre-existing eye infection or develop one while using Alrex, it’s essential to consult your doctor for appropriate treatment.
  • Glaucoma and Cataracts: Prolonged use of corticosteroid eye drops like Alrex may increase the risk of developing glaucoma (increased pressure in the eye) or cataracts (clouding of the lens). Your eye doctor may monitor you closely for these conditions during treatment.
  • Delayed Wound Healing: Corticosteroids can slow the healing process, so if you have any injuries or wounds on your eye, Alrex may delay their healing. Inform your doctor if you experience worsening symptoms or delayed healing while using Alrex.
  • Contact Lens Use: If you wear contact lenses, remove them before using Alrex eye drops and wait at least 10 minutes before reinserting them. Contact lenses can absorb the medication, leading to decreased effectiveness.
  • Not for Long-Term Use: Alrex is typically prescribed for short-term use to treat eye inflammation. Prolonged or excessive use may increase the risk of side effects without providing additional benefits. Follow your doctor’s instructions carefully and only use Alrex briefly.
  • Allergic Reactions: Some may be allergic to loteprednol or other ingredients in Alrex eye drops. If you experience symptoms such as itching, redness, swelling, or difficulty breathing after using Alrex, seek medical attention immediately.


  • Remove contact lenses before applying Alrex eye drops, and wait at least 10 minutes before reinserting contact lenses.
  • Do not use Alrex for longer than prescribed.
  • Inform your doctor if you have any pre-existing eye conditions or infections.
  • Monitor for symptoms of glaucoma or cataracts during treatment.
  • Avoid using Alrex if you are allergic to loteprednol or any other ingredients.
  • Use caution when driving or operating machinery, as Alrex may cause blurred vision.

Other Important Precautions

  • Avoid using this medication during pregnancy unless necessary.
  • If you get pregnant while on this medication, tell your doctor immediately.
  • It’s not known if Alrex passes into breast milk.
  • Discuss with your primary health caregiver whether you should continue breastfeeding while using this medication.

Alrex Contraindications 

  • Viral Diseases of the Cornea and Conjunctiva (vaccinia, varicella, and epithelial herpes simplex keratitis).
  • Mycobacterial Infections of the Eye.
  • Fungal diseases of ocular structures.

Missed Dose

  • If you’ve missed a dose of Alrex, take it immediately. 
  • If it’s close to your next planned dose, skip the missed dose and continue with your regular dosing schedule. 
  • Avoid double dosing to compensate for the missed one. Taking extra medication can lead to unwanted side effects. 
  • To prevent future missed doses, consider setting a reminder on your phone or using other methods to help you remember when to take Alrex.

[Note: If you have missed a dose of Alrex eye drops and are still determined to take the next one, immediately consult your doctor or pharmacist.]


If you suspect an overdose of Alrex eye drops, watch out for symptoms such as increased eye redness, eye pain, blurred vision, or other unusual sensations in the eye.

[Note: If you instilled more than the recommended dose of Alrex eye drops, get medical help immediately or call the Poison Help line at 1-800-222-1222.]


  • Keep Alrex at room temperature.
  • Store it upright to prevent leakage.
  • Ensure it is away from children to avoid accidental ingestion.
  • Once opened, Alrex remains usable for 28 days. After this period, discard any remaining medication.
  • Do not dispose of Alrex in wastewater or regular trash.

[Note: Discuss with your healthcare professional the proper disposal of unused Alrex eye drops and any questions you may have regarding their storage.]

Alrex Interactions

  • Ketoconazole
  • Ritonavir
  • Clarithromycin
  • Erythromycin
  • Cimetidine
  • Calcium channel blockers (such as diltiazem and verapamil)
  • Other corticosteroids (systemic or topical)
  • Immunosuppressive agents
  • Drugs known to prolong the QT interval (such as certain antiarrhythmics)

[Note: This isn’t a complete list, and there could be other drugs that interact with Alrex. Tell your doctor about prescription, over-the-counter medicines, and herbal products.]

Alrex Alternatives

[Note: Your doctor will choose what’s best for you. Only use alternative medications after consulting your healthcare provider. Taking them by yourself may cause serious side effects.] 

Frequently Asked Questions

How long can I use Alrex eye drops?

Alrex eye drops should be only used for a short time, specifically no more than 14 days. Using it for a more extended period may lead to serious eye problems like cataracts or glaucoma. If you need to use Alrex for more than 10 days, your healthcare provider will check your eye pressure regularly to ensure it’s safe.

How quickly does Alrex eye drops work?

Alrex starts to work quite fast. After using the first dose, you may notice less redness and itching in your eyes in about 2 hours. This relief can continue for the first 14 days you use it. Alrex is an eye drop used to temporarily ease the symptoms of seasonal allergies, like when your eyes get red and itchy during certain times of the year.

Can I use Alrex eye drops for my child?

Alrex eye drops are generally not recommended for children. It is essential to consult with a pediatric ophthalmologist or a healthcare professional specializing in children’s eye health to determine the most appropriate treatment for your child’s specific condition. They can provide personalized guidance based on your child’s age, medical history, and eye health needs. 

Can I use Alrex eye drops if I’m pregnant?

If pregnant, consult your healthcare provider before using Alrex eye drops. They will evaluate the potential risks and benefits to determine if it’s safe for you and your baby. Your healthcare provider may recommend alternative treatments or adjust the dosage.

Our Guarantee

At, we assure you the most affordable Alrex eye drops price online from Canada. Rest easy knowing that your order will be dispatched from a reputable Licensed Canada Pharmacy Online, adhering to the highest standards of quality and authenticity. Our discounted medications are shipped directly from Canada to your doorstep, ensuring a swift and secure delivery experience. To conveniently access Alrex eye drops at a substantial cost, call us at 1-888-779-2193 toll-free.


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