Yes, Prozac (fluoxetine), like many selective serotonin reuptake inhibitors (SSRIs), can cause a decrease in appetite as a side effect in some people. This effect is more commonly reported when individuals first start taking the medication and may diminish over time as the body adjusts to the medication.
The mechanism behind this appetite decrease is thought to be related to the influence of serotonin on appetite regulation. Serotonin is a neurotransmitter that plays a role in mood, emotions, and also in controlling appetite and satiety. SSRIs like Prozac work by increasing the availability of serotonin in the brain, which can affect appetite.
For some individuals, a decreased appetite while taking Prozac may lead to weight loss. However, it's important to note that not everyone experiences this side effect, and individual responses to medications can vary. Some people may even experience increased appetite or weight gain while taking Prozac.
If a decrease in appetite is bothersome or if you are experiencing significant changes in weight, it's important to discuss this with your healthcare provider. They can provide guidance on managing these side effects or adjusting your treatment plan if necessary. It's generally recommended not to make changes to your medication regimen without consulting your healthcare provider first.