Active ingredients: Chlorphenamine

Product name and form

Piriton Tablets.

Pharmaceutical Form


The tablet can be divided into equal doses.

Qualitative and quantitative composition

Each tablet contains 4 milligrams of chlorphenamine maleate.

Round, circular, biconvex, yellow tablets engraved with a ‘P’ to one side of the breakline; the reverse face has a breakline only.

Active Ingredient

Chlorphenamine is a potent antihistamine (H1-antagonist). Antihistamines diminish or abolish the actions of histamine in the body by competitive reversible blockade of histamine H1-receptor sites on tissues. Chlorphenamine also has anticholinergic activity.

List of Excipients

Maize starch
Yellow iron oxide (E172)
Magnesium stearate
Purified water

Pack sizes and marketing

The tablets are supplied in securitainers containing 50 or 500 tablets or blister packs containing 30, 45, 60 or 100 tablets.

Marketing authorization holder

GlaxoSmithKline Consumer Healthcare (UK) Trading Limited, 980 Great West Road, Brentford, Middlesex, TW8 9GS, UNITED KINGDOM

Marketing authorization dates and numbers

PL 44673/0092

14/02/1997 / 27/10/2005


Ireland, United Kingdom