Adults and children over 12 years, rinse or gargle with 15ml (about 1 tablespoon) every 1.5 to 3 hours as required to relive pain. After gargling, spit out and rinse, do not swallow. It is not advised to dilute Difflam, however, if stinging occurs the rinse may be diluted with a little water. A?Benzydamine hydrochloride 0.15%