Semaglutide Side Effects

Reviewed byClearHormones Editorial Team, Medical-literature review

Last reviewed: 5/27/2026 · How we review →

Semaglutide side-effect incidence rates below are drawn from FDA prescribing information and clinical trials. Most common effects are gastrointestinal and peak during dose changes.

⚠ Boxed warning

Risk of thyroid C-cell tumors. Contraindicated in personal/family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2 (MEN 2).

Common side effects(5)

Incidence rates from clinical trials. Individual experience varies.

Semaglutide common side effects with incidence rates
Effect	Incidence	Note
Nausea	15-20%	Peaks during dose escalation, usually subsides
Diarrhea	8-9%
Vomiting	5-9%
Constipation	3-7%
Abdominal pain	5-7%

Serious side effects(4)

Less common but require medical attention.

Pancreatitis. Discontinue if suspected; persistent severe abdominal pain
Gallbladder disease. Higher risk with rapid weight loss
Diabetic retinopathy complications. In patients with pre-existing retinopathy
Acute kidney injury. Usually from dehydration via GI losses

Managing side effects(4)

Eat smaller, lower-fat meals during dose escalation to reduce nausea
Stay hydrated to offset GI fluid losses
Titrate slowly — don't rush dose increases
Stop and call your clinician for severe, persistent abdominal pain (pancreatitis sign)

Telehealth providers that prescribe Semaglutide(5)

Independently reviewed providers offering Semaglutide for weight management. Editorial ranking — affiliate links don't affect order.

Form Health
89/100
Board-certified obesity medicine physicians prescribing GLP-1s. Often insurance-covered — among the most affordable options when insurance applies.
Knownwell
88/100
Weight-inclusive primary care with GLP-1 access. Designed by clinicians frustrated with typical obesity medicine model — focuses on the whole person.
Mochi Health
77/100
Doctor-led GLP-1 weight loss program. Offers compounded semaglutide/tirzepatide and FDA-approved Wegovy/Zepbound for eligible patients.
Found
75/100
Whole-person weight loss with GLP-1 medication plus behavioral coaching. One of the larger GLP-1 telehealth programs.
Calibrate
75/100
Year-long metabolic health program combining GLP-1 medication with intensive 1:1 coaching. Premium price point, strong outcomes data.

We don't sell Semaglutide or any medication. These are editorial reviews of telehealth providers — clicking through may earn us a commission, which does not affect our scoring.

Sources(4)

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