Fed up with itchy, red, watery eyes? Already tried other eye drops from the pharmacy? Optilast hay fever eye drops may be for you.

Optilast contains an antihistamine called Azelastine which helps to treat calm your symptoms associated with hay fever or other allergies.

Typically allergies that affect the eye like hay fever will cause:

  • Itchy eyes
  • Red, sore eyes
  • Watery eyes
  • Slight sensitivity to light

How does Optilast work?:

Optilast allergy eye drops work in a similar way to antihistamine tablets. Allergies occur when our body over reacts to something it believes is a threat, in the UK Summer this is often pollen. But it could equally be other classic allergens like animal fur, dust or mould spores.

Antihistamines work by preventing the histamine our body releases binding to the histamine receptor on our cells. If the histamine cannot bind, then you don’t get classic allergy symptoms.

Optilast provides fast, long lasting, targeted relief of your ocular symptoms with a reduction in symptoms within just 15-30 minutes of use. If symptoms do not improve within 48 hours please speak with your GP.

How to use:

Optilast eye drops can be used safely in adults and children 12 years or older who have previously experienced an allergy affecting their eyes.

Dose: use one drop in each eye twice daily, increasing to 4 times daily if required.

To use carefully remove the cap, taking care to not touch the dropper, tilt your head back, pull down your lower eye lid and gently release one drop. You will probably blink once the eye drop is administered. This is fine and will help to ensure the medicine stays in your eye.

Struggling to put drops in by yourself? Ask someone to help you. It is best if you sit down in a chair, tilt your head back and your helper stands behind you. This way your helper will find it much easier to put in your drops.

Optilast contains:

Each drop contains 0.015mg Azelastine Hydrochloride, the equivalent on 0.05mg/ml (0.05%).

Optilast also contains: Benzalkonium chloride (preservative), disodium edetate, hypromellose, sorbitol, (crystallising) sodium hydroxide and water for injections.

Side effects:

Care should be exercised if using this product immediately before driving as these drops may temporarily blur your vision. This will soon clear. It is unusual to experience side effects with Optilast but mild irritation of the eye is occasionally reported.

Can I use this if I am pregnant or breastfeeding?:

Unfortunately we cannot recommend you use Optilast during pregnancy or breastfeeding.

Pregnancy – Insufficient evidence about safety. High dose oral Azelastine has been shown to cause adverse events.

Breastfeeding – Azelastine is excreted in the breast milk.

Who else should not use Optilast?:

This allergy eye drop contains a preservative Benzalkonium Chloride and because of this it is unsuitable for patients who wear soft contact lenses. If you wear contact lenses then you should look for an eye drop without preservatives, for example Ketofall. If you must use this product then take out your lenses when administering the eye drop and do not reinsert them until at least 15 minutes has passed. Optilast is known to discolour lenses.

Unfortunately we cannot recommended this product for children under 12 years of age or patients who have known allergies to the ingredients.

How to store Optilast:

Optilast should be kept at room temperature before and whilst using. Do not put in the fridge.

Store away from direct sunlight.

Please throw away the bottle 28 days after opening.

Please read the included leaflet carefully before using this product and if you have any questions please contact one of our pharmacists for more information.


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At Peak Pharmacy Online we offer FREE delivery on most orders over £35, we aim to provide the best price and service at all times. With genuine products dispensed from our UK pharmacy, we aim to offer a website and service that strives to help you choose the most efficient, suitable medicines for you and your family.

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