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  • Our doctors will review your order information and issue the prescription online direct to our pharmacy.

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Optilast eye drops

Optilast eye drops, containing an antihistamine called azelastine hydrochloride, is available from Medicinesbymailbox online doctor.

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Pills Quantity Cost
Optilast eye drops 1-2 bottles tablets £12.8
Optilast Eye Drops 8mls (Azelastine 0.05%) 2 bottles of 8mls tablets £19.8
Compare prices: Medicinesbymailbox prices are 25%-50% lower cost than other online clinics.

Prescription fees

Medicinesbymailbox supplies medicine on prescription and charges a small prescription fee based on the order value of each prescription.Prescriptions are issued by our doctors online and sent electronically to our pharmacy.If you have your own private paper prescription please post to our pharmacy (details).Ascot Pharmacy prices are 25%–50% lower than other UK online clinics.

Order value Prescription fee
Any Order Value £25.00
Items Medicinesbymailbox Dr. Fox Pharmacy2U Superdrug Express Pharmacy Lloyds Med Express
Optilast eye drops £12.8 NA NA NA NA NA NA
Optilast Eye Drops 8mls (Azelastine 0.05%) £19.8 NA NA NA NA NA NA
*Medicinesbymailbox adds a small prescription fee not included in table above.

Delivery charges

UK delivery £2.90 per consultation via Royal Mail 24 Signed For (1-4 working days).

Standard international delivery £5.90 flat rate via Royal Mail International Tracked & Signed (2-5 working days).

Express international delivery £32.00 flat rate via DHL Express (2-8 days depending on destination, with tracking in transit).

Optilast product information

Optilast eye drops contains an antihistamine called azelastine hydrochloride. Our body produces a substance called histamine when allergy occurs and antihistamines help to stop the effect of histamine. This helps to relieve inflammation of the eye.

How to take

The usual dose for hay fever is 1 drop into each eye, twice daily. It can also be used preventatively if you anticipate hay fever. For specific directions on administration, refer to the patient information leaflet.
If you do not see an improvement after 48 hours, speak to your doctor or pharmacist for advice. You should also not use it for more than 6 weeks.

You should also wear glasses instead of soft contact lenses while on this medicine. If you wear other types of contact lenses, wait at least 15 minutes after administration before putting them back in.

Side effects of Optilast

Like all medicines, Optilast might cause some side effects, although not everyone gets them.

The most common side effects associated are irritation of the eyes and blurred vision. Side effects are usually mild but if you are concerned, speak to a doctor or pharmacist. It is important that if you have temporary blurred vision that you avoid driving or operating machinery until your vision returns to normal.

If you experience severe allergic reaction with symptoms such as difficulty breathing, swelling of eyes, lips or face, or an itchy rash, you should stop using Optilast eye drops immediately and seek urgent medical advice.

For a full list of side effects, please refer to the patient information leaflet attached below.


When ordering from Medicinesbymailbox, you may be required to fill in a series of Yes/No questionnaires to determine your suitability to the medication. You should NOT use Optilast without consulting a doctor if:
  • you are allergic to azelastine hydrochloride
  • your eye hurts but you do not have symptoms in your nose (may be signs of an infection)
  • you are pregnant or breast feeding

Patient information leaflet

The 'patient information leaflet' supplied with the medication should be read before use.