Optrex Hayfever Eye Drops – 10ml

Description

Optrex Hayfever Eye Drops – 10ml

Optrex Hayfever Eye Drops contain sodium cromoglicate, an anti-allergy medicine specifically formulated to relieve itchy, red, and watery eyes caused by hayfever and other airborne allergens such as pollen, dust, and pet dander.

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How It Works

The active ingredient, sodium cromoglicate, works as a mast cell stabiliser. It prevents the cells in your eyes from releasing histamine and other chemicals that trigger allergic reactions, helping to calm irritation and reduce redness, itching, and watering before or after exposure to allergens.

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Directions for Use

Adults and children aged 6 years and over: apply 1–2 drops into each affected eye, up to four times daily. Tilt your head back, gently pull down the lower eyelid, and apply the drops. Avoid touching the tip of the bottle to your eye or any other surface. Remove contact lenses before use and wait at least 30 minutes before reinserting them. Always read the patient information leaflet before use. If you are unsure about the correct dose, speak to your PillSorted pharmacist.

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Active Ingredients

• Sodium cromoglicate 2% w/v

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Possible Side Effects

• Temporary stinging or burning sensation upon application
• Transient blurring of vision immediately after use
• Eye irritation or discomfort
• Watering of the eyes shortly after use

If you experience any serious side effects, stop taking this medicine and seek medical advice immediately.

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Who Should Not Take This Medicine

• Children under 6 years of age
• People with a known hypersensitivity or allergy to sodium cromoglicate or any other ingredient in the formulation
• People with severe eye infections or inflammation not related to allergy — consult a doctor before use
• Do not use whilst wearing soft contact lenses

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Interactions

Optrex Hayfever Eye Drops are applied topically to the eye, so the risk of significant systemic drug interactions is low. However, if you are using any other eye drops or eye preparations, allow at least 5 minutes between applying each product. Tell your PillSorted pharmacist or doctor about all medicines you are currently taking, including herbal remedies and supplements.

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Pregnancy and Breastfeeding

There is limited data on the use of sodium cromoglicate eye drops during pregnancy and breastfeeding. Although topical use results in minimal systemic absorption, caution is advised. Speak to your doctor or PillSorted pharmacist before use if you are pregnant, trying to conceive, or breastfeeding.

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Alcohol

There is no known interaction between Optrex Hayfever Eye Drops and alcohol. As these drops are applied directly to the eye and systemic absorption is minimal, alcohol is not expected to affect their safety or efficacy.

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Driving and Operating Machinery

Optrex Hayfever Eye Drops may cause temporary blurring of vision immediately after application. You should wait until your vision is completely clear before driving or operating machinery. This product does not cause drowsiness.

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Storage

Store below 25°C in a dry place, away from direct sunlight and heat. Once opened, discard the bottle 28 days after first use, even if some product remains. Keep out of sight and reach of children. Do not use after the expiry date shown on the packaging.

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Important Information

• This product is a medicine. Speak to your doctor or PillSorted pharmacist before taking this product if you have an underlying medical condition or are taking any other medication or complementary therapy.
• If symptoms worsen or persist, contact your doctor.
• If pregnant, trying to conceive or breastfeeding, seek medical advice before use.
• If you suffer from allergies, confirm suitability with your PillSorted pharmacist before use.
• Store out of sight and reach of children.
• Read the enclosed patient information leaflet carefully before use.
• Contact your GP where appropriate.

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Patient Information Leaflet

For the full Patient Information Leaflet (PIL) for this medicine, visit the electronic Medicines Compendium (EMC). For further information about this medicine, visit NHS.uk.

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This content has been medically reviewed and approved by Zeinab Ardeshir (GPhC 2075730), Superintendent Pharmacist at PillSorted (GPhC-registered online pharmacy 9011258). Last reviewed: February 2026.

Brand	Optrex