Ketotifen: drug uses, side effects
A drug that is thought to prevent the release of histamine, an important mediator of allergic responses.
It is used for the treatment of hay fever and allergic conjunctivitis. Ketotifen is available, on prescription only, as capsules, tablets, or an elixir.
Side effects: include drowsiness, impaired reactions, dry mouth, and occasionally excitement and weight gain.
Precautions: alcohol enhances its sedative effect. Ketotifen should not be taken by women who are pregnant or breastfeeding. Dosage should be reduced gradually over 2-4 weeks at the end of treatment.
Interactions with other drugs:
Metformin: there is a risk of blood disorders.
Proprietary preparation: Zaditen.