Are the brand names interchangeable?

Approval names a use, not every possible benefit

In the US, FDA handles the review of medicines. A drug label describes what a product is approved to treat.

A trial result and an approved use are different things.

Mounjaro’s label concerns diabetes

As of 26 September 2026, Mounjaro has approval to treat type 2 diabetes, an illness involving blood sugar.

Its label also covers reducing the chance of a heart attack, a stroke, or death due to heart disease among adults at high risk who have type 2 diabetes.

Mounjaro does not have a weight-loss approval at that check.

Zepbound’s label covers long-term weight care

As of 26 September 2026, Zepbound has approval for long-term weight care for adults with obesity, or for adults who are overweight and have a health problem linked to weight.

Its label pairs treatment with eating fewer calories and being more physically active.

For adults with obesity, the approval also includes moderate to severe obstructive sleep apnea.

Sleep apnea here means repeated breaks in breathing during sleep.

Keep the product and purpose together

Ask for the brand name, the medicine inside it, and what health problem it would treat. Check how it is supplied: in a pen or in a small bottle for medicine. Use those full names when calling insurance.

A medicine that is eligible for Medicare drug coverage still has to meet the plan’s coverage rules.