Mounjaro Side Effects: Everything You Should Know

February 22, 2024

Mounjaro Side Effects: Everything You Should Know

Mounjaro is a prescription-only weight loss set of injections, ranging from lower to gradually increasing to higher doses. The injections are quite effective in losing weight, but they come up with a few surprises. To spill the beans, a few are nausea, vomiting, and diarrhea. Like all medications, this one has some mild to serious side effects. But that doesn’t make Mounjaro a red flag. This article discusses the side effects of mounjaro that are quite common and go away on their own. 

Mounjaro Side Effects: Common Ones

Mounjaro's side effects primarily include the most common and temporary ones, which last a few hours to days. However, you must consult your healthcare professional if the side effects last a few weeks. For free consultation and prescription, you can always connect to

Here is the list of side effects of mounjaro;

  • Appetite loss

  • Diarrhea

  • Constipation

  • Vomiting

  • Nausea

  • Stomach ache

  • Indigestion 

Mounjaro Side Effects: Mild Ones

Apart from common, you might notice some mild side effects, which are temporary and go away independently. Below is the list of the mild side effects of Mounjaro:

  • Abdominal Pain

  • Acid Reflux

  • Allergic Reactions

  • Flatulence (farting or passing gas)

  • Belching (burping or eructation)

  • Abdominal Swelling

  • Injection Site Reactions

Mounjaro Side Effects: Serious Ones

In rare cases, you might contract serious side effects that are not likely to happen. You should connect with your healthcare professionals if you develop serious side effects. Go through the below listed mounjaro side effects:

  • Severe digestive problems

  • Gallbladder problems

  • Pancreatitis

  • Severe allergic reactions

  • Thyroid cancer risks

Do not ignore these side effects; immediately call or visit your doctor. 

How Long Does Mounjaro Side Effects Last?

It entirely depends on the severity of the side effects. Some tend to last only a few hours, including nausea, vomiting, and diarrhea. On the other hand, a few mild side effects of mounjaro may take a few days to go away on its own. No common or mild side effects require serious attention since they are temporary.

What might raise an eyebrow is the serious side effects of mounjaro, but they are unlikely to happen. These side effects were not even in the clinical trials. If these occur, it may require treatment. 

Allergic or Injection Site Reaction

Apart from the mounjaro side effects listed above, there are allergic and injection site reactions, which are again not alarming, but you must still know about them. 

Injection site reaction happens after injecting the Mounjaro into either your upper arm, thigh, or abdomen. You might feel pain, skin discoloration, redness, or swelling. These are mild symptoms and go away on their own. 

On the other hand, you might even face allergic reactions to weight loss injection. These reactions are skin rashes, itching, skin flushing, lips, eyelids, hands, feet, mouth, throat, and tongue swelling.

Do not panic about the mentioned allergic reactions after starting the mounjaro weight loss injection. Consult your doctor if the reactions last long and get severe.


With this article, you are now taking a sigh of relief since the side effects of mounjaro are either mild or temporary and rare. All you need to do is monitor the side effects and wait for it to subside. If persists for a longer time along with some severity, only then consult your doctor.