Off-Label Uses: Bipolar disorder, Fibromyalgia, Arthritis, Chronic Fatigue, Multiple Sclerosis, Lupus, Headaches, Irritable Bowel Syndrome (IBS), ADD/ADHD, Eating Disorders. Dosing Range: Effexor initially 75 mg. in two or three divided doses. Usual maximum dose is 225 mg one time a day....