Optrex Allergy 2% w/v Eye Drops
Optrex Allergy 2% w/v Eye Drops

Optrex Allergy 2% w/v Eye Drops

Optrex Allergy 2% w/v Eye Drops
Optrex Allergy 2% w/v Eye Drops work to repair the eye's moisture barrier and reduce discomfort from allergies and hay fever. The Optrex formula is antihistamine-based and is suitable for daily use.
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What is Optrex Allergy 2% w/v Eye Drops?

Optrex Allergy eye drops are an anti-allergic medicine that can treat eye irritations caused by conjunctivitis and various allergies, such as hay fever. The Optrex Allergy eye drops can reduce the red, watery, itchy and puffy symptoms that are triggered by an allergy.

How does it work?

Optrex Allergy Eye drops contain the active ingredient sodium cromoglicate which works to stop the release of the natural substances in your body that are causing allergic reactions. 

Is Optrex Allergy 2% w/v Eye Drops suitable for me?

These eye drops can be used an any time of the year. However, they are especially useful for the treatment of perennial allergic conjunctivitis and for use during specific times of the year when seasonal allergic conjunctivitis is occurring.

The product images shown may represent the range of products, or be for illustration purposes only and may not be an exact representation of the product.

Side Effects

All medications can cause potential side effects, below we have listed some potential side effects, however, these do not always occur.

  • Stinging or burning in your eyes or blurring of eyesight. This should only last for a short time and occurs immediately after using the eye drops.
  • Mild eye irritation.

Disclaimer: This website does not constitute as medical advice, you should also consult with a doctor before taking medication. If you experience any major reactions to any medication you are taking, you must seek immediate medical attention.


Next Day Delivery Guarantee

All orders placed before 14:00 on weekdays will be delivered the next working day. For the majority of the UK, medication will be dispatched by Royal Mail, Monday to Friday, if ordered before 14:00. Dispatches are sent using Royal Mail's Next-Day Tracked 24-Hour service. We will email you tracking information directly and you should receive your order the day after dispatch.

Our Discreet Packaging Promise

We know that many of our customers turn to us when they need personal medication, preferring to use our online service rather than shopping for the product face to face. That is why our delivery is always discreetly packaged in plain brown boxes or enveloped. You will not have to worry about any content descriptions, and the package will be for your eyes only!


Commonly Used Dosage Guidelines for Optrex Allergy Eye Drops.

  • Squeeze one or two drops inside the lower lid without touching your eye.
  • Use one or two drops in each eye four times a day, or as directed by your doctor.

Disclaimer: This website does not provide medical advice. No information listed on this website is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment before undergoing a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this website.

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How it works
Complete a Quick & Free Online Consultation

This is a quick process and should only take 1 - 2 minutes. All of your answers are confidential, and just like a GP consultation, you will know what treatment is most suitable for you instantly upon completion.

Place Your Order

Once you have completed the quick online form, select the treatment option most suitable to you and checkout securely.

Express Next Day Delivery

We will dispatch your order using our express next-day courier service from our pharmacy partners across the UK. You will receive your treatment discreetly to the comfort of your home/ selected address. 

Can I use the Optrex Allergy 2% w/v Eye Drops with contact lenses?

It is recommended that you talk to your doctor or pharmacist before using this medication if you wear soft contact lenses, as you should not wear contact lenses while using these drops.

At what age can you use Optrex Allergy 2% w/v Eye Drops?

This product is suitable for adults and children. If you are concerned about whether or not you can use this product, consult with a doctor or pharmacist.

What are the ingredients in Optrex Allergy 2% w/v Eye Drops?

The ingredients include:

  • Sodium Cromoglicate (2% w/v)
  • Benzalkonium Chloride, 
  • Disodium Edetate, 
  • Water for injections.

What do I do if I have an allergic reaction to Optrex Allergy 2% w/v Eye Drops?

You need to stop using this medicine and see a doctor as soon as possible if you are experiencing worsening itching, redness or swelling, as you may be allergic to these drops.

Why Welzo
Discreet next day shipping
Discreet next day shipping

Welzo prescription medication is shipped out for next-day delivery in discreet packaging.

Trusted UK Pharmacy
Trusted UK Pharmacy

Welzo only works with UK-based pharmacies. All our medication is authentic and issued by GPhC-registered pharmacies and prescribers.

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Supportive & Caring

Our team of clinicians and health experts can support you along every step of your treatment journey.

Why Welzo