Wegovy Pen Malfunction: 4 Steps to Take If It Happens

Wegovy Pen Malfunction

Dealing with a malfunctioning Wegovy pen can be a frustrating experience, especially when relying on this medication for weight management. But don’t worry you are not alone in this journey of managing this side effect.

Understanding the right steps to take on time not only minimizes your stress but ensures you stay on track with your treatment.

In today’s guide, we’ll first explore how to identify the signs of a faulty Wegovy pen, including what makes it different from a fully functional one. Next, we’ll walk you through a step-by-step guide on how to troubleshoot the pen, covering common issues and their fixes. Finally, we provide advice on when it’s time to contact a healthcare provider for further help.

What is Wegovy Pen?

Wegovy is a brand name for the prescription medication semaglutide. This is used as an adjunct to diet and physical activity for chronic weight management in adults.

Approved by the U.S. Food and Drug Administration (FDA), Wegovy functions as a glucagon-like peptide-1 (GLP-1) receptor agonist.

This drug works by mimicking a hormone that targets areas of the brain which involved in controlling hunger. As a result, it reduces feelings of hunger which can lead to lower calorie intake and weight loss.

It’s important to note that Wegovy is intended for use in individuals with a body mass index (BMI) of 30 or higher (obese), or 27 or higher (overweight) in the presence of at least one weight-related comorbidity, like high blood pressure, type 2 diabetes, or high cholesterol.

Do not use your Wegovy pen if:

  • The pen is broken or damaged
  • The Wegovy medicine doesn’t appear clear and colorless when you look through the pen window.
  • You notice any visible particles in the solution
  • The expiration date has passed

If you experience any of these issues, stop using the pen and contact your healthcare provider for further instructions.

Understanding How Self-Injection Pens Work?

Self-injection pens like the Wegovy pen are designed to deliver precise doses of medication. They are commonly used for medicaments that require regular, self-administered injections.

Here is some key information about how these pens work:

1. Pre-filled and Ready to Use: Most self-injection pens come pre-filled with medication, eliminating the need for manual measurement and minimizing the risk of dosing errors.

2. Designed for Simplicity: The pens are engineered with ease of use in mind, featuring simple push-button operation that allows for self-injection without any other help.

3. Adjustable Dosing: Some pens offer adjustable dosing options which gives patients and healthcare providers flexibility in managing treatment.

4. Built-in Safety Features: Many pens include safety features like needle guards and indicator windows to confirm when the full dose has been delivered, enhancing safety and reducing waste.

5. Discreet and Portable: With their compact design, these pens offer discretion and convenience, enabling patients to carry and use them on the go.

Related: Does United Healthcare cover Wegovy for Weight loss

Signs of a faulty Wegovy pen

Identifying a faulty Wegovy pen is necessary for you to make sure that you’re receiving the correct dosage of medication. Here are some signs that may indicate your pen is not functioning properly:

1. Blocked Mechanism: The pen should operate smoothly. If you experience resistance or inability to depress the plunger, the mechanism may be jammed.

2. Incomplete Dose Delivery: After completing the dose, if the indicator window does not show that the entire dose has been delivered, the pen may be malfunctioning.

3. Leakage: Any sign of medication leaking from the pen either before or during the injection process is a clear indication of a fault.

4. Unusual Appearance: If the medication appears cloudy, discolored, or contains particles, the issue might not be with the pen itself but with the medication. However, it’s still essential to report this.

If you encounter any of these issues, it’s important not to attempt fixing the pen yourself but to follow the steps provided in this guide for troubleshooting or seeking medical advice.

Possible causes of Wegovy Pen Malfunction

Understanding why your Wegovy pen might not be working right is key to fixing the problem quickly and keeping your treatment on track. Here are some common reasons that may cause a malfunction in the Wegovy pen:

1. Storage Mistakes: The pen needs to be stored properly, following the guidelines in the package. If it gets too hot, too cold, or is exposed to direct sunlight, it might not work well.

2. Air Bubbles: Sometimes, air bubbles form inside the pen. These bubbles can block the medication from being delivered properly.

3. Mishandling: Dropping or shaking the pen too much can lead to damage, making it hard or impossible to use.

4. Running Low or Empty: If your pen is nearly empty, it might not deliver the full dose. Keeping track of how much medication is left can help you avoid this issue.

By knowing these common causes, you can take better care of your Wegovy pen and avoid issues that could interrupt your treatment.

Also Read: Mounjaro Pen Malfunction: 4 Steps to Take If It Happens

Steps to take for Wegovy Pen Malfunction

Steps to take for Wegovy Pen Malfunction

Sharing a recommended plan to help with weight control is the first step. But it’s also important to know what to do if something goes wrong. Here are four important steps to follow if your Wegovy Pen has a problem:

1. Inspect the Pen

First, carefully check the external condition of your Wegovy pen. Look for any visible signs of damage, like cracks in the body of the pen or issues with the needle.

Ensure that the medication within is clear and free of particles or discoloration. It’s crucial that the pen’s expiration date has not passed, as using expired medication can cause reduced effectiveness and potential health risks.

2. Check for Air Bubbles

After inspecting the pen for any physical damage or irregularities with the medication, the next step is to check for air bubbles.

To do this, gently tap the pen with your finger to encourage any air bubbles to rise to the top. Then, with the needle pointing upwards, carefully push the plunger until a small drop of medication appears at the tip of the needle.

This process, commonly referred to as “priming,” which helps to ensure that the pen is ready for a precise and effective injection. It’s essential to perform this step before each use to maintain the integrity of your treatment regimen.

3. Follow Storage Guidelines

Proper storage of your Wegovy pen is necessary for its effectiveness and longevity. The pen should be stored in a refrigerator at 2°C to 8°C (36°F to 46°F) before the first use.

Do not freeze the pen, and keep it away from the freezer compartment. After the first use, if refrigeration is not possible, the pen may be kept at a temperature up to 30°C (86°F) for a maximum of 28 days.

Always keep the cap on the pen when not in use to protect it from light. Avoid storing the pen with the needle attached to prevent leaking and potential blockages.

4. Contact Your Healthcare Provider

If you follow all the steps above and your Wegovy pen still appears to be malfunctioning, the next and most crucial step is to reach out to your provider for advice.

Healthcare professionals can provide specific guidance specific to your situation and may prescribe a replacement pen if necessary. Additionally, they may check if there’s an issue with how the medicine is affecting you and make adjustments to your treatment plan if needed.

How to use Wegovy pen Properly

Employing the correct injection technique is important for the effectiveness of your Wegovy treatment. Here are the steps and tips to ensure you’re administering the injection correctly and effectively:

1. Preparation: Wash your hands thoroughly with soap and water before handling the pen. Choose an injection site which is usually around the abdomen, thigh, or upper arm, and clean the area with an alcohol wipe. Allow the skin to air dry.

2. Needle Attachment: If your Wegovy pen requires you to attach a needle, ensure it’s securely attached but do not overtighten. Remove the protective cap from the needle just before you intend to inject.

3. Skin Pinch: Using your free hand, gently pinch the skin around the selected injection site. This technique helps to ensure the medication is delivered into the fatty tissue beneath the skin, optimizing absorption.

4. Injection: Hold the pen at a 90-degree angle to your skin. Press the button firmly to administer the dose. Keep the button pressed and count slowly to 10 to ensure the full dose is delivered.

5. Needle Disposal: After injection, safely dispose of the needle in a sharps disposal container. Never reuse needles or share your Wegovy pen with others to reduce the risk of infection or contamination.

By following these steps each time you inject your medication, you can minimize the complications and maximize the treatment’s effectiveness.

Tips to prevent Wegovy Pen Malfunction

To ensure the continued functionality and reliability of your Wegovy pen, consider these additional tips:

1. Regular Tracking: Write down when you take your injections and how much. This helps you stick to your treatment schedule and know how much medication is left in the pen.

2. Gentle Handling: Always handle the pen with care. Avoid exposing it to extreme temperatures or conditions that could physically compromise the pen’s structure or the medication’s integrity.

3. Educational Resources: Use educational resources from the manufacturer. These could be videos, guides, or support lines to help you understand and use the pen better.

5. Professional Training: If possible, seek a hands-on demonstration from a healthcare provider on how to use the pen correctly. This step is particularly beneficial for first-time users or those who are less experienced with injectable medications.

6. Stay Informed: Be alert to any recalls or safety notices issued by the manufacturer or regulatory agencies. These notifications can provide crucial information about known issues or updates regarding the pen.

Can I send my Wegovy pen back if it malfunctions?

If your Wegovy pen is broken, check with where you got it for their return rules. Most makers care about patient safety and have a way to report or return bad products.

If your pen acts up, note the problem well with the lot number and expiry date. Reach out to the maker’s customer service for steps and maybe a replacement. Your doctor or pharmacist can help too.


In summary, managing and preventing Wegovy pen malfunctions involves precise attention to the pen’s condition, proper storage, and precise usage techniques. By adhering to these guidelines and regularly consulting with healthcare professionals, users can ensure the effectiveness and safety of their treatment. Remember, the main goal is to maintain a consistent treatment regimen for the best possible outcomes.


What should I do if my Wegovy Pen malfunctions?

If your Wegovy Pen malfunctions, immediately stop using it and carefully note any issues along with the pen’s lot number and expiry date. Contact the manufacturer’s customer service for guidance on the malfunction and inquire about the process for a potential replacement. Also, talk to your doctor about this issue so they can provide specific guidance on it.

How can I reduce the risk of a Wegovy Pen malfunction?

To reduce the risk of a Wegovy Pen malfunction, always ensure that the pen is handled gently and stored correctly according to the manufacturer’s guidelines. You should regularly inspect the pen for any physical damage and always use a new needle for each injection. Stick to the injection technique and schedule as advised to avoid any issues that could affect the pen’s performance and the treatment’s effectiveness.

Can I get a replacement for my malfunctioning Wegovy Pen?

Yes, it is often possible to get a replacement for a malfunctioning Wegovy Pen. If you face any problems with your pen, immediately report the issue to the manufacturer. Provide them with detailed information about the malfunction, including the lot number and expiry date found on the pen. Manufacturers have procedures in place for handling such reports, and if the malfunction is due to a defect in the pen, they will typically offer a replacement at no additional cost.



The information provided in this article is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Don’t ignore professional medical advice or put off seeking it just because of something you read here. Although we aim to offer precise and current information, we do not guarantee its completeness, accuracy, reliability, suitability, or availability for any purpose. Using the information in this document is at your own risk. We are not responsible for any losses or damages caused by our content.

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