<s>[INST] I started taking buspar three days ago 5 mg. for anxiety.  Have been experiencing strong intestinal cramping and flatulence, and larger than normal and almost loose stools.  How long should these side effects last or will they diminish?    YYYY@YYYY [/INST] Hi, Buspar (Buspirone) is a Chat Doctor.  However, most of such side effects are self limiting and mild. If you're having too much trouble with these side effects, you must report them to your treating doctor. Usually, if the symptoms are mild, they stop in a week or so. In case of severe or long-lasting symptoms, we have to re-evaluate the prescription. One another point, make sure you consistently take bu spar either with food or without food, whichever you chose. Don't change from one day with food and another day without food, as it will affect the levels of the  </s>