The generic version of a popular anti-depressant drug, apparently isn't working for some people.
The Food and Drug Administration says tests show that the generic version of Wellbutrin XL isn't as effective.
Hundred of patients' complaints about the generic pill, Buproprion, sparked an FDA investigation.
Drug makers, Teva pharmaceuticals and Impax Laboratories are pulling its generic version of Wellbutrin XL.
The company says there are no safety issues associated with the generic products.