101.Degrees for a 6 month old baby is too high?  

Not really. It depends on what other symptoms your child has, but 101 is not necessarily a concerning temp. It is considered a grade low fever and can be treated by tylenol (acetaminophen) and other measures such as a lukewarm bath.
Yes increase fluids. May use appropiate dose of childrens tylenol (acetaminophen) go by wieght if lasts more than 24 see doctor.