Uses: seasonal and perennial allergic rhinitis; chronic urticaria and other allergic dermatological disorders

May not be suitable in: severe hepatic impairment;

Pregnancy; children younger than 1 year of age.

Hepatic impairment: reduce dose frequency to alternate days in severe impairment

Breast-feeding: Suitable

Adverse effects include: headache, sedation, fatigue, dry mouth; rarely hypotension, palpitation, arrhythmias, extrapyramidal effects, dizziness, confusion, depression, sleep disturbances, tremor, convulsions, hypersensitivity reactions (including bronchospasm, angioedema, anaphylaxis, rash, photosensitivity reactions), blood disorders, liver dysfunction, and angle-closure glaucoma

Dosage: One tablet (10mg) once daily.