One of the original (sedating)
antihistamines, used to relieve the symptoms of such allergic conditions as urticaria and other itching skin conditions. It is available as tablets or a syrup on
prescription only.
Side effects: see
antihistamines. Alimemazine may also cause
antimuscarinic effects and (more rarely) abnormal heart rhythms, low blood pressure, breathing difficulties,
extrapyramidal reactions, and (in high doses) convulsions.
Precautions: alimemazine should not be taken by people with kidney disease or by women who are pregnant or breastfeeding. See also
antihistamines.
Interactions with other drugs: see
antihistamines.
Proprietary preparations: Vallergan; Vallergan Syrup; Vallergan Forte Syrup.