Semaglutide is a prescription medication that may be used as part of a medically supervised treatment plan for blood sugar management and weight-related goals in certain patients. Like all prescription medications, semaglutide carries potential risks, precautions, and possible side effects that should be reviewed carefully before starting treatment.
The information below outlines important safety details, warnings, and considerations associated with semaglutide therapy.
Semaglutide is commonly prescribed alongside nutrition and physical activity changes to help improve blood sugar management in adults with type 2 diabetes.
Certain FDA-approved semaglutide medications may also be prescribed for long-term weight management in appropriate patients under medical supervision.
Semaglutide may not be appropriate for individuals with:
Patients should review their full medical history with a licensed healthcare provider before starting treatment.
Thyroid Tumor Concerns
Semaglutide belongs to a class of medications known as GLP-1 receptor agonists, which have been associated with thyroid C-cell tumors in certain studies.
Patients should speak with their provider about possible risk factors before beginning treatment and seek medical attention if symptoms such as neck swelling, persistent hoarseness, difficulty swallowing, or shortness of breath develop.
Pancreatitis
Serious inflammation of the pancreas has been reported in some patients using GLP-1 medications.
Symptoms may include severe stomach pain that can spread to the back, with or without vomiting. Patients experiencing these symptoms should stop using semaglutide and contact a healthcare provider immediately.
Risk of Low Blood Sugar
The chance of hypoglycemia may increase when semaglutide is used together with insulin or medications that stimulate insulin production.
Healthcare providers may recommend medication adjustments when appropriate.
Kidney-Related Concerns
Episodes of nausea, vomiting, diarrhea, or dehydration may contribute to worsening kidney function in some individuals during treatment.
Monitoring kidney function may be recommended depending on the patient’s medical history and symptoms.
Allergic Reactions
Although uncommon, serious allergic reactions including swelling, rash, anaphylaxis, or angioedema have been reported.
Patients should seek immediate medical care if symptoms of a severe allergic reaction occur.
Digestive Side Effects
Digestive symptoms are among the most frequently reported side effects during semaglutide treatment, especially when therapy begins or doses are increased.
Possible symptoms may include:
For some individuals, these effects may lessen as the body adjusts to treatment.
Diabetic Retinopathy Complications
Some patients with type 2 diabetes may experience worsening diabetic retinopathy while using semaglutide.
Individuals with a history of diabetic eye disease should discuss appropriate monitoring with their healthcare provider.
Patients who are pregnant, planning to become pregnant, or breastfeeding should discuss treatment risks and options with their healthcare provider before starting semaglutide.
It is currently unknown whether semaglutide passes into human breast milk.
Semaglutide may affect the absorption or effectiveness of certain medications, particularly those influenced by gastrointestinal motility and stomach emptying.
Additional caution may also be necessary when combining semaglutide with medications associated with low blood sugar risk.
Patients should provide their healthcare provider with a complete list of prescription medications, supplements, and over-the-counter products they are using.
Patients should carefully follow provider instructions regarding medication use, dosing schedules, nutrition, hydration, and physical activity during semaglutide treatment.
Healthcare providers may also discuss:
Compounded medications are prepared by licensed pharmacies based on a patient-specific prescription issued by a licensed healthcare provider.
Compounded semaglutide products are not reviewed or approved by the FDA for safety, effectiveness, or quality in the same manner as FDA-approved medications.
Patients should speak directly with their healthcare provider about potential risks, benefits, and alternative treatment options before beginning therapy.