you are to be commended for wanting to help your SIL. everyone is different about taking meds. she may be resistant and think that she can handle BP on her own. " episode" makes me think that she is probably more manic than depressive. i imagine the doctor wants to be sure that he has her medication levels correct before he sends her home.

read up on bipolar. there's tons of infromation here on this site and ask us questions. you're in the right place, xoxox pat