Medications like semaglutide and tirzepatide have changed how many people approach weight loss. Most of the attention goes to the number on the scale. But weight is closely tied to mood, self-worth, and a person’s relationship with food, and these drugs can touch all of those areas. Anyone thinking about weight loss medication should understand the mental health side as well as the physical one.
How Weight and Mental Health Affect Each Other
Weight and mental health are closely linked. Each one can make the other harder to manage, which helps explain why weight loss is rarely only about diet and exercise.
The Two-Way Link With Depression
A large review of 15 long-term studies found that people with obesity had a 55% higher risk of developing depression over time. The link also ran the other way. People with depression had a 58% higher risk of developing obesity (Luppino et al., 2010). The researchers suggested that providers watch mood in patients with obesity and watch weight in patients with depression.
This cycle makes sense in daily life. Depression can drain energy, disrupt sleep, and change appetite. Those changes make healthy routines harder to keep, and weight gain can then feed poor mood and hopelessness.
Weight Stigma and Shame
Many people with higher body weight face judgment from others, including from healthcare workers. A systematic review of 33 studies found that weight stigma was linked to more depression, anxiety, eating problems, and body dissatisfaction, along with lower self-esteem (Wu & Berry, 2018). Shame can also keep people away from care. Someone who has felt judged in a doctor’s office may put off appointments, even when they want help.
How Weight Loss Medications Work
Semaglutide and tirzepatide belong to a group of drugs that mimic hormones involved in hunger and fullness. They slow how fast the stomach empties and send signals to the brain that reduce appetite. Many people describe feeling full sooner and thinking about food less often.
These drugs aren’t meant for everyone. About 40.3% of U.S. adults had obesity between 2021 and 2023 (Emmerich et al., 2024), but a prescription depends on more than weight alone. The U.S. Food and Drug Administration (FDA) approved tirzepatide (sold as Zepbound) for adults with a body mass index (BMI) of 30 or higher, or a BMI of 27 or higher with at least one weight-related condition such as high blood pressure or type 2 diabetes. It is meant to be used along with a lower-calorie diet and more physical activity. Common side effects include nausea, diarrhea, vomiting, constipation, stomach pain, and tiredness (FDA, 2023). These physical side effects can affect mood, so it’s worth discussing them with a physician.
Weight Loss Medications and Mood
For a time, the labels for some weight loss medications carried a warning about suicidal thoughts and behavior. That raised understandable concern among patients. In January 2026, after reviewing 91 placebo-controlled trials with more than 100,000 patients, along with other data, the FDA found no increased risk of suicidal thoughts or behavior with these drugs. The same analysis found no increased risk of depression or anxiety, and the FDA asked drug makers to remove the warning (FDA, 2026).
That finding is reassuring, but mood still deserves attention. The FDA advises patients to tell their provider about any new or worsening depression, suicidal thoughts, or unusual changes in mood or behavior. Anyone in crisis should contact a local crisis line right away, such as 988 in the United States.
Possible Effects on Cravings
Researchers are now studying whether these drugs affect cravings beyond food. In a small trial of 48 adults with alcohol use disorder, those who took semaglutide for nine weeks drank less on the days they drank and reported fewer cravings than those who took a placebo (Hendershot et al., 2025). The study was early and small, so it doesn’t prove that semaglutide treats addiction. Still, it points to how these medications may act on the brain’s reward system, not just the stomach.
Here is a quick summary of what current research shows.
| Mental Health Area | What the Research Shows |
|---|---|
| Depression | Obesity and depression raise the risk of each other over time (Luppino et al., 2010). |
| Weight stigma | Stigma is linked to depression, anxiety, eating problems, and lower self-esteem (Wu & Berry, 2018). |
| Suicidal thoughts | A large FDA review found no increased risk with these medications (FDA, 2026). |
| Alcohol cravings | One small early trial found less drinking and fewer cravings with semaglutide (Hendershot et al., 2025). |
Mental Health Considerations Before Starting
A good physician will look at your emotional health, not only your weight, when discussing weight loss medications. A few areas are worth raising before you begin.
A History of Disordered Eating
Appetite-lowering medication isn’t right for everyone. Anyone with a history of restricting food, bingeing, or purging should tell their provider before starting treatment. A drug that reduces hunger could make some eating disorders harder to spot or harder to manage. Years of diet culture can also leave people with an unhealthy relationship with food, even without a formal diagnosis.
Expectations and Body Image
Weight loss can bring real relief, but it doesn’t automatically fix how a person feels about their body. Some people expect that a smaller size will end their insecurity, then feel let down when old thoughts stay. Others feel uneasy as their body and their eating habits change quickly. Talking through your hopes and worries ahead of time can make those changes easier to handle.
Emotional Eating
When food has been a main way to cope with stress or sadness, a drop in appetite can leave a gap. The feelings that once led to eating are still there. Without new ways to handle them, some people may notice those emotions more clearly once food is no longer the go-to comfort.
Pairing Medication With Therapy
Medication can lower appetite, but it doesn’t address the feelings that often drive eating. Therapy gives people tools to notice those patterns and respond in new ways. Cognitive behavioral therapy (CBT) is one common approach. It helps people spot the thoughts behind emotional eating, challenge harsh self-talk, and build steadier habits.
Therapy can also help with body image, the shame tied to weight stigma, and any depression or anxiety that comes along with weight struggles. Anyone starting medication may find it worth taking time to choose a therapist who understands these issues.
Getting Started With Treatment
The first step is a conversation with a licensed provider who can review your health, your medications, and your goals. For people who have felt judged in medical settings, or who struggle to get to appointments when their mood is low, that first step can feel like the hardest part. That’s one reason many people now get weight loss medication online through telehealth. Talking from home can make it easier to be honest about weight, eating habits, and mood.
Whether you go online or in person, it helps to know what you’re getting. Make sure any compounded medication comes from a state-licensed pharmacy, and ask your provider to walk you through exactly how to measure each dose.
Caring for Mind and Body Together
Weight loss medications can help many people, and current research is reassuring about their effect on mood. Still, they work best as one part of a bigger plan. Be honest with your provider about your mental health and your history with food, keep an eye on how you feel as treatment goes on, and consider adding therapy along the way. Paying attention to the mind as well as the body gives you a far better chance at changes that last.
Sources
- Emmerich, S. D., Fryar, C. D., Stierman, B., & Ogden, C. L. (2024). Obesity and severe obesity prevalence in adults: United States, August 2021–August 2023 (NCHS Data Brief No. 508). National Center for Health Statistics. https://www.cdc.gov/nchs/products/databriefs/db508.htm
- Hendershot, C. S., Bremmer, M. P., Paladino, M. B., Kostantinis, G., Gilmore, T. A., Sullivan, N. R., Tow, A. C., Dermody, S. S., Prince, M. A., Jordan, R., McKee, S. A., Fletcher, P. J., Claus, E. D., & Klein, K. R. (2025). Once-weekly semaglutide in adults with alcohol use disorder: A randomized clinical trial. JAMA Psychiatry, 82(4), 395–405. https://doi.org/10.1001/jamapsychiatry.2024.4789
- Luppino, F. S., de Wit, L. M., Bouvy, P. F., Stijnen, T., Cuijpers, P., Penninx, B. W. J. H., & Zitman, F. G. (2010). Overweight, obesity, and depression: A systematic review and meta-analysis of longitudinal studies. Archives of General Psychiatry, 67(3), 220–229. https://doi.org/10.1001/archgenpsychiatry.2010.2
- U.S. Food and Drug Administration. (n.d.). FDA’s concerns with unapproved GLP-1 drugs used for weight loss. https://www.fda.gov/drugs/drug-alerts-and-statements/fdas-concerns-unapproved-glp-1-drugs-used-weight-loss
- U.S. Food and Drug Administration. (2023, November 8). FDA approves new medication for chronic weight management [Press release]. https://www.fda.gov/news-events/press-announcements/fda-approves-new-medication-chronic-weight-management
- U.S. Food and Drug Administration. (2026, January 13). FDA requests removal of suicidal behavior and ideation warning from glucagon-like peptide-1 receptor agonist (GLP-1 RA) medications [Drug safety communication]. https://www.fda.gov/drugs/drug-safety-communications/fda-requests-removal-suicidal-behavior-and-ideation-warning-glucagon-peptide-1-receptor-agonist-glp
- Wu, Y.-K., & Berry, D. C. (2018). Impact of weight stigma on physiological and psychological health outcomes for overweight and obese adults: A systematic review. Journal of Advanced Nursing, 74(5), 1030–1042. https://doi.org/10.1111/jan.13511
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