Optilast contains the active substance azelastine hydrochloride, which belongs to a group of medicines called antiallergics (antihistamines). Antihistamines work by preventing the effects of substances such as histamine that the body produces as part of an allergic reaction. Azelastine has been shown to reduce inflammation of the eye.
Optilast can be used to treat and prevent eye disorders which you get with hayfever (seasonal allergic conjunctivitis) in adults and children aged 4 years and above.
Optilast can be used for eye disorders caused by an allergy to substances such as house dust mites or animal
hair (perennial allergic conjunctivitis) in adults and children aged 12 years and above.
Optilast is not suitable for treating eye infections.
Uses / Instructions
Eye disorders caused by hayfever (seasonal allergic conjunctivitis)
Use in adults and children aged 4 years and above
The usual dose is one drop in each eye in the morning and evening.
If you anticipate contact with pollen, the usual dose of Optilast may be taken as a preventive measure before going outside.
Talk to your doctor or pharmacist before using Optilast
- if you are not sure whether your eye disorders are caused by an allergy. In particular if only one eye is affected; if your vision is impaired; or the eye hurts and you do not have any symptoms in your nose, you may have an infection rather than an allergy
- if the complaints worsen or last longer than 48 hours without remarkable improvement despite the use of Optilast.
- if you wear contact lenses
Like all medicines this medicine can cause side effects, although noteverybody gets them.
Common (may affect up to 1 in 10 people):
Slight irritation (burning, itching, watering) in the eyes after putting in Optilast. This should not last long.
Uncommon (may affect up to 1 in 100 people):
A bitter taste in your mouth. This should quickly disappear especially if you have a soft drink.
Very rare (may affect up to 1 in 10,000 people):
An allergic reaction (such as rash and itching).
The active substance is azelastine hydrochloride 0.05% (0.5 mg/ml). Each drop contains 0.015 mg azelastine hydrochloride.
The other ingredients are benzalkonium chloride, disodium edetate, hypromellose, liquid sorbitol (crystallising) (E420i), sodium hydroxide (E524) and water for injections.