Start on right track
It can take years for someone diagnosed w/ ocd to find appropriate treatment.
So 1st educate urself & ur close family members about what ocd is/isn't: & (b) what form(s) ocd takes. (try http://bit.Ly/y0lvsh .) cognitive-behavioral therapy (cbt) that specifically includes exposure & response prevention (erp) has proven very effective as have certain medications. For some, erp/cbt + meds indicated.