Skip to main content

What are the possible side effects of taking Mounjaro?

Updated over 2 months ago

The common side effects of Mounjaro (which may affect more than 1 in 10 people) are generally self-limiting as the body gets used to the medication. The most common are as follows:

  • Gastrointestinal Issues: Such as nausea, diarrhea, vomiting, abdominal pain and indigestion & flatulence, constipation, reflux, bloating. Up to 20% of patients may experience these side effects but generally this are self-limiting.

>1 in 10 patients experience the following:

  • Allergic reaction (hypersensitivity) (e.g., rash, itching, and eczema).

  • Dizziness reported in patients treated for weight management.

  • Low blood pressure reported in patients treated for weight

  • management.

  • Feeling less hungry (decreased appetite) reported in patients treated for type 2 diabetes.

  • Stomach (abdominal) pain reported in patients treated for

  • type 2 diabetes.

  • Being sick (vomiting) reported in patients treated for type 2 diabetes - this usually decreases over time.

  • Indigestion (dyspepsia).

  • Fatigue.

  • Hair loss.

  • Fast pulse.

Serious Side Effects could include (if you have any concerns or requestions regarding these, it is essential that you contact the Everwell Medical Team before you start your treatment if prescribed):

  • Pancreatitis (inflammation of the pancreas): Symptoms include severe abdominal pain, nausea, and vomiting. Incidence is low

  • but significant. This can be life threatening, and you should seek urgent medical attention (<1%).

  • Allergic Reactions: Rare but potentially life-threatening, including

  • symptoms like swelling of the face or throat, difficulty breathing, or severe

  • rash.

  • Hypoglycemia: Especially when combined with diabetes medications called sulphonylureas, metformin or insulin. This is common when prescribed with other diabetic medications.

  • Gallbladder Issues: Such as gallstones, potentially leading to

  • cholecystitis. Symptoms include severe abdominal pain, nausea, and yellowing of the skin or eyes.

  • Diabetic Retinopathy Complications: Worsened vision in patients with pre-existing conditions.

For the full list of side effects and restrictions of Mounjaro, see the Patient Information Leaflet provided with the medication.

Did this answer your question?