Arnicaafter injury mental and physical bruising before operations visits to dentist etc bruises and sprains rheumatism 30c is ideal for active or acute over the counter otc use it can be used when there is an emotional andor a physical element to the condition such as occasional sleeplessness 30c remedies should be taken as a short course only unless prescribed by a practitioner adults 2 tablets children 1 tablet tablets to be sucked or chewed unless otherwise directed take 1 d