Allergic (seasonal and perennial) and vasomotor rhinitis, conjunctivitis, urticaria, angioedema, reactions to blood. Adjunct in anaphylaxis. Dermatographism.
<1yr: not recommended. 1–6yrs: 2mg daily as needed; max 0.2–0.4mg/kg per day in divided doses 6–8 hrs apart. ≥6yrs: 4mg daily as needed; max 24mg/day in divided doses 6–8 hrs apart.
Concomitant MAOIs. Asthma, lower respiratory disorders. Neonates. Premature infants. Nursing mothers.
Glaucoma. GI or urinary obstruction. Hyperthyroidism. Cardiovascular disease. Hypertension. Elderly. Pregnancy (Cat.C).
Potentiates alcohol, other CNS depressants. Potentiates anticholinergic effects with MAOIs.
Drowsiness, dizziness, GI upset, thickening of bronchial secretions, anticholinergic effects, excitability in children.
Tabs—100, 500; Syrup—4oz, pt