Piriton can also be used to soothe the itchy rash caused by chickenpox. Piriton Allergy Tablets - 30 ( 1 box of 30 tablets) ( may cause drowsiness). Swallow Piriton tablets with a sip of water or another cool drink, using the following doses: Adults and children over 12 – Take 1 tablet every 4 – 6 hours as needed.
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