Allergy: Overview

Full information can be found in the Summary of Product Characteristics.

Piriton Children’s Allergy Syrup and Piriton Allergy Tablets (chlorphenamine maleate) Indications: Symptomatic relief of allergic conditions including hay fever. Symptomatic relief of itch associated with chickenpox. Dosage and method of use: Adults and children 12 years and over: 10ml or 1 tablet (4mg) 4-6 hourly. Max 60ml or 6 tablets (24mg) in any 24 hours. Elderly: Lower dose should be considered. Children 6-12 years: 5 ml or 1/2 tablet (2mg) 4-6 hourly. Max 30ml or 3 tablets (12mg) in any 24 hours. Syrup only: Children 2-6 years: 2.5 ml (1 mg) 4-6 hourly. Max 15ml (6 mg) in any 24 hours. Children 1-2 years: 2.5 ml (1 mg), twice daily. Max 5ml (2 mg) in any 24 hours. Piriton Allergy Tablets not recommended for children under 6 years and Piriton Syrup not recommended for children below 1 year. Do not use either product continuously for more than two weeks without consulting a doctor. Contraindications: Hypersensitivity to antihistamines or the product ingredients. Treatment with MAOIs within last 14 days. Warnings and Precautions: Avoid concurrent use with other antihistamines and alcohol. May seriously affect ability to drive and use machinery. Caution in patients with: enlarged prostate, severe hypertension or cardiovascular disease, hepatic or renal impairment, epilepsy, raised intraocular pressure, bronchitis, bronchiectasis and asthma. Children and elderly more likely to experience neurological anticholinergic effects and paradoxical excitation. Avoid use in elderly patients with confusion. Avoid concurrent use with drugs which cause sedation. Those with fructose or galactose intolerance, Lapp lactase deficiency, glucose-galactose malabsorption or sucrose-isomaltase insufficiency should not take these medicines. Syrup: Contains sucrose (should be considered in those with diabetes mellitus, ensure adequate dental hygiene is maintained), hydroxybenzoates (E218, E214, E216) which may cause allergic reactions (possibly delayed), and ethanol (6.3% v/v) (should be considered in those suffering from alcoholism and other high risk groups). Side effects: Very common: Sedation, somnolence. Common: Fatigue, disturbance in attention, abnormal coordination, dizziness, headache, blurred vision, nausea, dry mouth. See SPC for full details. Legal category: P. PL numbers: Syrup: PL 44673/0094. Tablets: PL 44673/0093. Product licence holder: Haleon UK Trading Limited, The Heights, Weybridge, Surrey, KT13 0NY, UK. Package quantity and RSP (excl. VAT): Syrup: 150 ml £5.83. Tablets: 30s £5.21, 60s £8.33. Date of last revision: December 2025.

Full information can be found in the Summary of Product Characteristics.

Pirinase Hayfever Once Daily 0.05% Nasal Spray (fluticasone propionate). Indications: Treatment of seasonal allergic rhinitis. Dosage and method of use: Adults: Two sprays into each nostril once a day, preferably in the morning. Maintenance: one spray per nostril once a day, if symptoms recur the dosage may be increased accordingly. Use lowest possible maintenance dose. Max 2 sprays a day in each nostril. Children under 18 years: Not to be used. Contraindications: Hypersensitivity to ingredients. Concomitant use with HIV medicines. Warnings & Precautions: Stop treatment or seek advice if an improvement is not seen within 7 days. Seek medical advice if relief is inadequate after 7 days or more than 1-month continuous use is required. Seek medical advice before use with: other corticosteroids, nasal/sinus infection, recent nasal injury/surgery, nasal ulceration. Caution due to interactions with potent cytochrome P450 3A4 inhibitors which may increase systemic exposure to fluticasone. Treatment with higher than recommended doses of nasal corticosteroids may result in clinically significant adrenal suppression. If there is evidence of higher than recommended doses being used then additional systemic corticosteroid cover should be considered during periods of stress or elective surgery. Systemic effects of nasal corticosteroids may occur, particularly at high doses prescribed for prolonged periods. May cause visual disturbance. Blurred vision or other visual disturbances should be considered for referral to an ophthalmologist for evaluation. Contains benzalkonium chloride which may cause bronchospasm. Side effects: See SPC for full details. Very Common: Epistaxsis. Common: Headache, unpleasant taste and smell, dryness and irritation of the nose and throat. Legal category: GSL. Product licence number: PL 44673/0100. MAH: Haleon UK Trading Limited, The Heights, Weybridge, Surrey, KT13 0NY, UK. RRP (excl. VAT): 60 sprays £7.92. Text prepared: December 2025.