Piriton 4mg Tablets (Chlorphenamine maleate). Indications: Symptomatic control of allergic conditions. Also, for symptomatic relief of itch associated with chicken pox. Dosage and method of administration: Minimum dosing interval 4 hours. Adults and children 12 years and over: 1 tablet every 4 - 6 hours (maximum of 6 tablets in 24 hours). Elderly: 1 tablet every 4 - 6 hours (maximum of 3 tablets in 24 hours). Children 6 - 12 years: 0.1mg/kg or ½ a tablet every 4 - 6 hours (maximum of 6 half tablets in 24 hours). Children under 6 years: Not recommended. Do not use for more than 2 weeks without consulting a doctor. Contraindications: Hypersensitivity to ingredients. Pre-coma states. Patients who have been on MAOI therapy within previous 14 days. Precautions: May act as cerebral stimulant in children and adults, with children and elderly more likely to experience the neurological anticholinergic effects and paradoxical excitation. Use with caution in patients with severe renal or hepatic impairment, epilepsy, severe hypertension and cardiovascular disease, raised intra-ocular pressure, prostatic hypertrophy, bronchitis, thyrotoxicosis, bronchiectasis and bronchial asthma. May cause drowsiness, dizziness, blurred vision and psychomotor impairment which may seriously affect ability to drive and operate machinery. Avoid alcohol and seek advice before using concurrently with sedative drugs. Avoid in elderly with confusion. Should not be used with other anti-histamine containing products. Contains lactose. Patients with rare hereditary problems of galactose intolerance, the Lapp lactase deficiency or glucose-galactose malabsorption should not take this medicine. Side effects: Sedation, somnolence, disturbance in attention, abnormal coordination, dizziness, headache, blurred vision, nausea, dry mouth, vomiting, abdominal pain, diarrhoea, dyspepsia, fatigue, chest tightness, blood dyscrasias, hepatitis including jaundice, allergic reactions including anaphylaxis, angioedema, anorexia. Legal category: Pharmacy Only. Product Authorisation Number: PA 0678/080/001. Marketing Authorisation Holder: Haleon Ireland Limited, 12 Riverwalk, Citywest Business Campus, Dublin 24, Ireland. Full product information is available in the SPC. Additional information is available upon request. Text prepared: June 2023.
