“Ozempic butt” is not a side effect either

“Ozempic butt” describes loss of volume and sagging skin around the buttocks after fast weight loss. Like “Ozempic face”, it is not a listed adverse effect and not something the drug does to that area specifically. Fat leaves everywhere when you lose fat, including where you would rather it stayed, and skin that loses volume quickly does not always retract to match. It follows large rapid weight loss from any cause. The two things you influence are how fast you lose and whether you can afford to stay on a steady dose instead of stopping and rebounding.

Julian CaraulaniFounder, PriceTracker GLP-1Last checked Aug 27We track prices. Clinical facts on this site are quoted from the drug's label, the FDA or the published trial, with the source and the date beside each one. We do not write medical guidance and we do not tell anyone what to take.

4 min read · published Aug 27

The short version

1It is not a listed side effect and not specific to Ozempic or to any GLP-1.
2Fat is lost everywhere at once. You do not get to choose where it comes from.
3Rate of loss and skin elasticity decide how noticeable it is; age matters more than brand.
4Losing, stopping, regaining and losing again is the pattern most likely to make it worse.

“Ozempic butt” is not a side effect of Ozempic. It is the name given to loss of volume and loose skin around the buttocks after losing a lot of weight quickly, and it happens the same way after bariatric surgery or a hard diet. The drug is not doing something to that part of you. Losing the fat is.

That is the whole answer. The rest of this page is why, and what actually changes it.

Why it happens

Body fat is not lost selectively. When you lose it you lose it everywhere, including the places that were doing structural work, and the buttocks are substantially fat sitting over muscle. Take the fat away quickly and two things show: less volume, and skin that has not had time to retract around the new shape.

How noticeable that is comes down to how much you lost, how fast, and your skin's elasticity, which declines with age. None of those variables is the brand on the box.

A dermatologist on the same phenomenon lower down: fat leaves everywhere, including where you would rather it stayed. Useful for the mechanism. Not a treatment recommendation and not specific to any one drug.

It is not in the label

Loss of fat from any particular area is not listed as an adverse reaction. What the manufacturer does list is short:¹

Ozempic carries a boxed warning for thyroid C-cell tumor risk and should not be combined with other GLP-1 medicines. The most common side effects are gastrointestinal: nausea, vomiting, diarrhoea and constipation.

If you are worried about the boxed warning, that is a conversation with a prescriber and a genuinely good reason to have one. Changes in body shape from weight loss are not in the same category and should not be read as a warning sign.

What actually changes it

Two levers, the same two as with the face.

How fast you lose. Set by dose, by how quickly you climb the ladder, and by what you eat. All prescriber conversations. A slower rate is a reasonable thing to ask for and, on brand pricing, does not cost more.

Whether you can stay on. This is ours. The worst pattern for skin is not steady loss, it is losing, stopping, regaining and losing again, which asks the skin to keep accommodating a changing shape. And the most common reason people stop is the bill.

A program you can still afford in month twelve is a different proposition from one you abandon in month four, and the spread between the cheapest verified program and the dearest is wide enough to decide which of those you are signing up for.

What people ask about next

Resistance training gets recommended constantly for this, and the reasoning is intuitive: muscle under the skin is volume that is not fat. Whether it helps you specifically, and what to do, is a question for a clinician or a qualified trainer rather than a price tracker, and dressing an opinion up as guidance would help nobody.

What we will say, because it applies here as it does to the face: there is no cream, supplement or targeted exercise with credible evidence of restoring lost fat volume in one area. Anything promising that is selling something.

Sources1

Our Ozempic drug page, safety as the manufacturer publishes it read Aug 22 ↩

Common questions

Is “Ozempic butt” a real side effect?

No. It is not a listed adverse reaction and it is not specific to Ozempic or to GLP-1 medicines. It describes loss of volume and loose skin around the buttocks following rapid weight loss, which occurs after substantial fast weight loss from any cause.

Why does Ozempic cause sagging?

It does not do so directly. Body fat is lost everywhere rather than selectively, so fat leaves the buttocks along with everywhere else, and skin that loses volume quickly does not always retract to match. Rate of loss and skin elasticity, which declines with age, decide how noticeable it is.

Does it go away?

Volume generally tracks your body fat, so it returns if the weight returns, which is usually not the trade people want. Skin that has stretched and lost volume does not always retract fully, and outcomes vary considerably between people.

Does it happen on Wegovy, Mounjaro or compounded versions too?

Yes, because it is a consequence of weight loss rather than of a particular molecule or brand. Any program producing substantial rapid loss can produce the same change.