Suggest Remedies For Chicken Pox

sir i'm vivek this query is for my sister she age 23 &hght 5 &40 weight at this 2 days she is suffering from chicken box ,&my neighbour &relatives said no need 2 consult dr now she is soo paining ... because of that shall compell him let take him 2 a doctor? can u pls give some remedies??? for this