It sounds like you might be referring to bupropion, which is an antidepressant that can have effects on both mood and weight. Bupropion, marketed under brand names like Wellbutrin and Zyban, is known for its dual benefits.
While primarily used to treat depression and sometimes as an aid for smoking cessation, bupropion is also associated with weight loss in some patients. This is in contrast to many other antidepressants that can lead to weight gain. Bupropion's mechanism of action involves the inhibition of the reuptake of neurotransmitters like dopamine and norepinephrine, which can influence both mood and appetite.
Regarding pain management, bupropion is not typically prescribed specifically for pain, but it may have some indirect benefits. For example, by alleviating depressive symptoms, it might help improve overall well-being and, consequently, the perception of pain. However, for direct pain relief, other medications or treatments might be more effective.
If you are considering bupropion for its potential benefits related to mood, weight, and pain, it's important to discuss this with a healthcare provider. They can provide guidance based on your specific health needs and ensure that the medication is appropriate and safe for you.