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Nurse Practitioner Clarissa - Understanding Ozempic Side Effects: What You Need to Know

Clarissa Guerrero
Written by: Clarissa Guerrero
Updated: 05/14/2025
Published: 05/14/2025

Understanding Ozempic Side Effects: What You Need to Know

Introduction

Like all medications, Ozempic (semaglutide) comes with potential side effects that patients should be aware of before beginning treatment. While this medication has shown significant benefits for managing type 2 diabetes and weight loss, it's important to understand the full spectrum of possible adverse effects to make an informed decision about your treatment.

 

 

Common Side Effects of Ozempic

According to Novo Nordisk, the manufacturer of both Ozempic and Wegovy, the most common side effects include:

  • Nausea (occurring in approximately 15-20% of patients)
  • Diarrhea (reported in about 8% of patients)
  • Vomiting (experienced by approximately 5-9% of users)
  • Stomach pain (affecting around 6-7% of patients)
  • Constipation (occurring in about 3-7% of users)

These side effects typically occur at higher rates than those observed in placebo groups. They are primarily related to how Ozempic functions in the body, as it slows down the movement of food through the stomach and intestines. Most patients experience these symptoms during the first few weeks of treatment as the body adjusts to the medication.

Serious Side Effects to Monitor

While less common, more serious side effects can occur and require immediate medical attention:

  • Pancreatitis (inflammation of the pancreas)
  • Gallbladder problems, including gallstones or cholecystitis
  • Kidney failure
  • Diabetic retinopathy (blood vessel damage in the eye that may affect vision)
  • Hypoglycemia (low blood sugar)
  • Allergic reactions

Important Warning: Thyroid Tumors

Patients should be vigilant for potential signs of thyroid tumors, including:

  • Lumps or swelling in the neck
  • Hoarseness
  • Difficulty swallowing
  • Shortness of breath

In studies with rodents, Ozempic and similar medications caused thyroid tumors, including thyroid cancer. While it's unknown if these medications cause thyroid tumors or medullary thyroid carcinoma (MTC) in humans, caution is advised.

Individuals with a family history of MTC or Multiple Endocrine Neoplasia syndrome type 2 (MEN 2) should avoid using Ozempic, as these rare endocrine conditions may increase the risk of developing thyroid cancer.

"Ozempic Face": A Cosmetic Side Effect

A cosmetic side effect termed "Ozempic face" has been identified by New York City-based dermatologist Dr. Paul Jarrod Frank. This condition refers to increased wrinkling or hollowing of the face that can occur with rapid weight loss from Ozempic or Wegovy use.

Characteristics of "Ozempic face" include:

  • Loss of facial volume, particularly around and under the eyes, temples, jawline, and mouth
  • More pronounced facial features
  • Gaunt appearance
  • Increased sagging or aging appearance

This condition is most common in middle-aged and older patients who lose weight rapidly. For women, these changes may be compounded by natural aging processes, genetics, and menopause-related estrogen reduction, which can contribute to skin changes.

Given that patients on Ozempic lose an average of 8-15 pounds and those on Wegovy typically lose 14-17% of their body fat, some degree of facial change is to be expected with successful treatment.

Hormonal Effects in Men

While Ozempic primarily works by mimicking the GLP-1 hormone in your gut rather than directly affecting hormone production, there are some hormonal considerations for male patients.

Research has associated Ozempic use with reduced testosterone levels in some men, which could potentially affect:

  • Sperm production
  • Male fertility

Men who already have low testosterone levels should discuss this with their healthcare provider before starting Ozempic. Regular monitoring of testosterone levels may be recommended, and some patients might need a plan to address any significant reductions.

Weighing the Risks and Benefits

Before starting Ozempic, it's essential to have a thorough discussion with your healthcare provider about your medical history, risk factors, and whether the potential benefits outweigh the risks in your specific case.

Factors to consider include:

  • Your current health status and medical conditions
  • Family history, particularly related to thyroid cancer
  • Previous response to similar medications
  • Weight loss goals and diabetes management needs
  • Alternative treatment options

Managing Side Effects

If you experience side effects while taking Ozempic, several strategies may help manage them:

  • For nausea and digestive issues, eating smaller, more frequent meals and avoiding fatty or spicy foods may help
  • Staying well-hydrated can mitigate some digestive symptoms
  • Following a consistent dosing schedule as prescribed by your doctor
  • Reporting any persistent or concerning symptoms to your healthcare provider promptly
  • For "Ozempic face," consulting with a dermatologist about potential treatments to address volume loss
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Conclusion

Ozempic offers significant benefits for many patients with type 2 diabetes and those seeking weight management solutions. However, like all medications, it comes with potential side effects ranging from minor digestive issues to more serious concerns that require monitoring.

By understanding these potential side effects and working closely with healthcare providers, patients can make informed decisions about whether Ozempic is right for them and how to manage any adverse effects that may occur during treatment.

Regular medical follow-ups and open communication with your healthcare team are essential components of successful and safe treatment with Ozempic or any medication.

Clarissa Guerrero

Clarissa Guerrero

Clarissa Guerrero holds a certification as a Family Nurse Practitioner, which is recognized by the board. In 2020, she successfully obtained her board certification in family medicine from the American Nurses Credentialing Center.

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Article by Clarissa Guerrero

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