You should always inform your doctor or prescriber of any medication you are taking before starting a new treatment.
This medicine contains 100 micrograms of benzalkonium chloride in each ml of solution. Benzalkonium chloride may be absorbed by soft contact lenses and may change the colour of the contact lenses.
You should remove contact lenses before using this medicine and put them back 15 minutes afterwards. Benzalkonium chloride may also cause eye irritation, especially if you have dry eyes or disorders of the cornea (the clear layer at the front of the eye). If you feel abnormal eye sensation, stinging or pain in the eye after using this medicine, talk to your doctor.
Sodium Cromoglicate can be used to inhibit hay fever symptoms. However, we advise that you consult with your doctor or prescriber before you use or buy Sodium Cromoglicate online.