Wellbutrin takes about seven hours to take full effect on a patient and can stay in the body for weeks, as it has an unusually high half-life for an antidepressant. Be sure to inform any doctors performing drug tests about your prescriptions. Wellbutrin, also known by its generic name, bupropion, is a medication prescribed to patients who are experiencing depression. Bupropion can also be used to help patients quit smoking and to alleviate the depressive effects of seasonal affective disorder (SAD). Both Bentyl and Librax contain anticholinergic components, which are know to cause blurred/doubled vision quite frequently. In some people this goes away on it's own, sometimes it goes away by lowering the dose, and sometimes it doesn't go away until the med is discontinued. Wellbutrin is the brand name for bupropion, a prescription drug that's used to treat depression. It's also used to treat seasonal affective disorder (SAD), a type of depression that usually. Pictures of Wellbutrin (Bupropion Hcl), drug imprint information, side effects for the patient. Find patient medical information for Wellbutrin XL Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. My experience is very similar. I was 125 lbs when I started taking Paxil for anxiety and gained about 40lbs over the course of 2 years. I started on Wellbutrin at the suggestion of my Dr. when I advised that I no longer wanted to take it due to the horrible weight gain. Wellbutrin is usually prescribed to patients who suffer from depression and bipolar disorder. But you can also take Wellbutrin for anxiety. Here are the benefits. Wellbutrin is the brand name for the antidepressant drug bupropion. The U.S. Food and Drug Administration (FDA) approved Wellbutrin in the United States for treating depression in 1985. Wellbutrin is an antidepressant in the aminoketone class used for the management of major depression and seasonal affective disorder. Wellbutrin is available in generic form.