Mounjaro Side Effects: Does It Cause Hair Loss?

Medically reviewedby Dr. Amy Revene M.B.B.S.
WrittenbyLuat Duong
Last updated

Are you worried about Mounjaro's side effects, especially when it comes to hair loss? 

In the search for diabetes and obesity management solutions, Mounjaro has emerged as a promising medication. But, as with any treatment, it's crucial to consider potential side effects.

In this article, we'll explore whether Mounjaro could be linked to hair loss, providing you with the information you need to make an informed decision. 

What is Mounjaro?

mounjaro side effects hair loss

Mounjaro, also known by its generic name tirzepatide, is a medication approved for the treatment of type 2 diabetes. It works by mimicking the effects of certain hormones that help lower blood sugar levels and promote weight loss.

Developed for adults with type 2 diabetes, Mounjaro functions by activating receptors in the body that are typically stimulated by natural hormones involved in glucose regulation and appetite control. 

This dual action not only helps in managing blood sugar levels but also supports weight loss, which is a common challenge for many with diabetes. Its unique approach to treating diabetes makes it a significant addition to the range of diabetes management options.

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How does Mounjaro work? 

Mounjaro works by mimicking the action of hormones that are naturally involved in regulating blood sugar and appetite. Specifically, Mounjaro can cause the activation of GLP-1 and GIP receptors, which play roles in increasing insulin production and reducing glucagon release when blood sugar levels are high, but discussing possible common side effects of Mounjaro, like low blood sugar, is important.

When you take Mounjaro, it helps your body handle glucose more efficiently after meals, which lowers blood sugar spikes. 

Additionally, by affecting appetite signals in the brain, it can help reduce hunger and potentially lead to weight loss, which is beneficial for people managing type 2 diabetes. 

This dual mechanism is what sets Mounjaro apart from many other diabetes medications, making it a valuable tool for those looking to control both their blood sugar and weight.

Can Mounjaro cause hair loss? 

mounjaro side effects hair loss

As of now, hair loss is not listed as a known side effect of Mounjaro in the official documentation provided by the FDA or the manufacturer. The most common side effects include gastrointestinal issues like nausea, diarrhea, and vomiting, which are typically associated with medications affecting metabolic processes.

However, it's important to consider that individual reactions to any medication like Mounjaro can vary, including potential allergic reactions. 

While hair loss isn't officially recognized as a side effect, if you are experiencing unusual hair shedding after starting Mounjaro, it's wise to discuss any side effects, such as low blood sugar or hair thinning, with your healthcare provider, especially for reporting side effects from medications such as Mounjaro.. 

They can help determine if it's related to the medication or possibly caused by other factors such as nutritional deficiencies, stress, or underlying health conditions often associated with type 2 diabetes.

Why does Mounjaro cause hair loss? 

Although hair loss is not officially listed as a side effect of Mounjaro injection, if you experience hair shedding while on the medication, it could be related to other factors. 

Sometimes, rapid weight loss, which Mounjaro injection can facilitate, may lead to temporary hair thinning. Additionally, stress, nutritional changes, or other underlying health conditions often associated with type 2 diabetes could also contribute to hair loss.

If you're concerned about hair loss while using Mounjaro, it's a good idea to talk to your healthcare provider. 

They can help determine the cause and suggest ways to address it, whether it's adjusting your diet to include more nutrients supportive of hair growth or managing other health conditions more effectively. 

This way, you can continue managing your diabetes without unnecessary worry about your hair.

Is hair loss from Mounjaro permanent?

mounjaro side effects hair loss

Hair loss associated with Mounjaro is not typically permanent. If hair loss occurs, it is often related to other factors, such as stress, nutritional deficiencies, or rapid weight loss, rather than directly from the medication itself.

If you experience hair thinning while on Mounjaro injection and it's linked to the medication through factors like rapid weight loss, this condition is usually reversible. 

Adjusting your diet to ensure you receive adequate nutrients or managing the underlying stress can help your hair return to its normal growth cycle. 

It's always best to consult with your healthcare provider to explore the underlying causes and appropriate remedies for your specific situation.

Will stopping the Mounjaro treatment make my hair grow back?

Stopping Mounjaro treatment may lead to hair regrowth if the hair loss is indirectly related to its use, such as through rapid weight loss or nutritional deficiencies. However, it's essential to address the underlying causes of hair loss with your healthcare provider before making any changes to your medication.

If you're considering stopping Mounjaro injection due to hair loss, it's crucial to first speak with your healthcare provider. 

They can help determine if the hair loss is indeed linked to the medication or another issue and guide you in adjusting your treatment plan safely. 

Often, solutions may include dietary adjustments or managing other health conditions, which can help restore hair growth without needing to stop the medication. 

Always make such decisions under professional guidance to ensure your overall health is maintained.

How can you reduce hair loss on Mounjaro?

If you're experiencing hair loss while on Mounjaro, there are several proactive steps you can take to help reduce thinning and encourage hair regrowth. 

Here are some tips that combine modern treatments and lifestyle adjustments:

1. Try Bio-Pilixin® Activation Serum

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Bio-Pilixin® Activation Serum is a breakthrough in the fight against hair thinning. Developed using advanced stem cell technology, this serum nurtures hair follicles and improves scalp blood circulation. 

This targeted approach ensures that vital nutrients are delivered directly to the areas that need them most, fostering a healthier scalp environment conducive to hair growth.

The serum is completely drug-free and has undergone rigorous clinical testing to ensure its efficacy and safety. The results are impressive: in as little as 45 days, users can see noticeable improvements in their hair's thickness and overall health. 

Indeed, 93% of participants in clinical studies reported being satisfied with the changes they observed, which is a testament to the serum's effectiveness.

Easy to apply and safe for daily use, Bio-Pilixin® Activation Serum is an ideal choice for anyone looking to tackle hair thinning without resorting to harsh chemicals or invasive treatments. 

Whether you're experiencing early signs of hair loss or are looking for a preventive solution, Bio-Pilixin® provides a reliable, effective way to enhance your hair's natural strength and beauty. 

Give it a try and rediscover the confidence of having a full, vibrant head of hair.

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2. Ensure adequate nutrition

A balanced diet rich in vitamins and minerals is crucial for maintaining healthy hair. Focus on including more protein, iron, and vitamin B12 in your meals, which are essential for hair strength and growth.

3. Manage stress

High-stress levels can exacerbate hair loss. Incorporating stress management techniques like yoga, meditation, or regular exercise can help minimize the impact of stress on your hair.

4. Gentle hair care

Avoid harsh treatments such as colouring, heat styling, and aggressive brushing that can further damage thinning hair. Opt for gentle hair care products and minimize heat exposure.

5. Stay hydrated

Keeping your body hydrated is key to supporting healthy hair. Ensure you drink plenty of water throughout the day to help keep your hair shafts hydrated and less prone to breaking.

6. Consult a healthcare professional

If you're concerned about hair loss, it's a good idea to consult with a healthcare professional. They can offer personalized advice and determine if your hair loss is indeed linked to Mounjaro or if another treatment might be appropriate.

What other medications can cause hair loss? 

Here's a list of common medications known to contribute to hair thinning:

  • Chemotherapy drugs Often cause significant hair loss as they target all rapidly dividing cells, including healthy hair follicles.
  • Beta-blockers: Used for treating high blood pressure, such as atenolol and metoprolol, can lead to hair loss.
  • Antidepressants: Certain types, including sertraline and paroxetine, have been reported to cause hair thinning.
  • Blood thinners: Medications like warfarin and heparin can result in noticeable hair loss.
  • Retinoids: Commonly used for acne and skin disorders, such as isotretinoin can have hair loss as a side effect.
  • Hormonal medications: Birth control pills and hormone replacement therapy can trigger hair thinning in sensitive individuals.

If you're concerned about hair loss related to medication, consult with your healthcare provider to explore possible alternatives or supportive treatments.


Navigating the potential side effects of any medication, including Mounjaro, can be daunting, but being well-informed helps you manage your health effectively. 

While Mounjaro is not commonly associated with hair loss, if you experience this or any other side effect, it's important to consult with your healthcare provider. They can help you assess the cause and explore possible solutions or treatment adjustments. 

Remember, every medication affects individuals differently, and your well-being is the top priority. By staying informed and proactive, you can continue your journey towards better health with confidence.


Does Mounjaro cause any serious side effects? 

Mounjaro's most common side effects are gastrointestinal, including nausea, diarrhea, and vomiting. Always discuss any concerns or unusual symptoms with your healthcare provider to ensure your treatment is as safe and effective as possible.

Can I take Mounjaro if I have other health conditions? 

It's essential to discuss your complete medical history with your healthcare provider before starting Mounjaro, as it may interact with other conditions or medications.

How quickly can I see results from Mounjaro?

The effects on blood sugar levels can be noticed relatively quickly, but weight loss and other benefits might take a bit longer to manifest. Individual results can vary based on several factors.

What should I do if I experience hair loss while taking Mounjaro? 

If you notice hair loss while taking Mounjaro, consult your healthcare provider. They can help determine if the hair loss is related to Mounjaro or another underlying issue and suggest appropriate treatment options.


Luat Duong

Luat Duong is a Copenhagen-based writer and content strategist specializing in hair loss and health. His work has been featured in MyHealthGuide, The Right Hairstyles, and Woman's Era. He is a graduate of Vaasa University. You can connect with him on LinkedIn.