GLP-1 weight-loss drugs and teens

Weight-loss medications are increasingly discussed for adolescents, and some, such as semaglutide (Wegovy), are approved for certain teens aged 12 and older with obesity. For families, that raises a genuinely hard question: a medication that may help with a real medical issue is also a powerful appetite suppressant, introduced during the exact life stage when eating disorders most often begin. This page lays out why teens are a distinct concern, what parents should weigh before agreeing to a GLP-1, and the warning signs to watch during use. For the general picture, see Ozempic and eating disorders.

Why GLP-1 medications are a bigger concern in adolescence

Three vulnerabilities stack up in teens that do not, in the same way, in most adults.

First, eating disorders most often begin in adolescence, covered in eating disorders in teens.¹ Introducing a drug that suppresses appetite and drives weight loss during this window intersects directly with the period of peak vulnerability, when a focus on weight and a habit of eating less can take root and turn into an illness.

Second, teens are still growing. Adequate nutrition matters for physical and brain development through adolescence, and a medication that blunts appetite can undercut the intake a growing body needs. In a teen, weight loss is not automatically a good outcome the way it is sometimes framed in adults.

Third, body-image pressure is intense. Adolescent culture and social media place enormous weight on appearance, and a weight-loss medication can amplify that pressure. A teen already comparing their body to others may experience the drug very differently from an adult with a defined medical indication.

Approval for some adolescents does not erase these concerns. It makes careful screening and monitoring more important, not less.

What parents should weigh

If a GLP-1 is being considered for your teen, a few things deserve real attention before starting. These are not reasons to refuse out of hand; they are the questions that separate a careful decision from a rushed one.

This is a decision to make jointly with a clinician who takes the eating disorder dimension seriously, weighed on your teen's full health rather than on appearance or outside pressure.

Warning signs in a teen on a GLP-1

Once a teen is on a GLP-1, the appetite suppression can hide the early signs of a problem, so it is worth watching actively rather than waiting for something obvious.

Our guide on the signs that weight-loss medication use has become disordered covers the full picture, and helping a loved one start treatment covers how to raise it with your teen without escalating it.

What to do if you are concerned

If you are seeing warning signs, talk to your teen's prescriber and consider an eating disorder assessment with a clinician experienced in adolescents. Trust your read of your own child: a parent often notices the early shift before anyone else, and raising it early is protective, not an overreaction. Lead with the specific behaviors you have seen rather than comments about weight, which can make a vulnerable teen more secretive.

Next steps

Read about the conditions and levels of care, or search for licensed programs experienced with adolescents.