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Wegovy Side Effects: What to Expect

Professor Franklin Joseph
Professor Joseph, an expert in diabetes and obesity management, leads clinical trials, chairs the Western Cheshire Diabetes Network, and priorities person-centered care for optimal outcomes.

If you are thinking of taking Wegovy for weight loss, you may want to know what some of the common side effects are. In today's blog post, we will look into some of the potential side effects commonly experienced with Wegovy and ways that you can manage them.

Weight loss can be challenging, but it doesn't have to be - with Wegovy, you are able to lose weight safely and effectively, reaching a healthy weight and living a healthy life.

Overview:

  • Most side effects are mild and temporary, especially gastrointestinal ones like nausea or diarrhoea
  • Side effects typically start within the first few weeks of treatment
  • Staying hydrated, eating bland foods, and adjusting your dosage under professional guidance can ease symptoms
  • Rare but serious side effects include pancreatitis and gallbladder issues
  • Alcohol may worsen side effects, especially nausea or low blood sugar

How Does Wegovy Work?

Wegovy is a medication that is injected once a week in patients who struggle to lose weight. It works by stimulating the GLP-1 receptors in the brain, which is a hormone in the body responsible for appetite and hunger cues. 

It’s typically prescribed for adults with a BMI of 30+ (or 27+ with weight-related conditions) and is taken once weekly via injection.

Wegovy helps to curb cravings and enhance feelings of fullness and satisfaction after eating, helping to reduce overeating and aid weight loss in those who are overweight or obese.

Possible Wegovy Side Effects

All medications come with side effects, some of the potential side effects commonly experienced with Wegovy include:

  • Gastrointestinal Disturbances
  • Nausea
  • Diarrhoea
  • Constipation
  • Headache
  • Injection Site Reactions

Usually, these symptoms aren't too severe and are mild. They should also begin to disappear over time as your body adjusts to the medication.

However, if symptoms persist and start to affect your day-to-day life, we recommend that you speak to one of our specialist nurses so that they can guide you in the right direction.

For further details and a more in-depth understanding, you can always read the summary of product characteristics.

Less Common Side Effects

Some people may experience the following side effects, although they are less common:

  • Dizziness
  • Indigestion
  • Belching
  • Acid reflux or heartburn
  • Low blood sugar (especially if taken with diabetes meds)

Rare but Serious Side Effects 

Wegovy is considered a safe and effective medication. However, there is a small risk of serious side effects such as:

  • Pancreatitis including severe stomach pain and vomiting
  • Gallbladder issues
  • Thyroid C-cell tumours (in animal studies but not proven in humans)
  • Kidney problems from dehydration
  • Allergic reactions

Seek medical attention immediately if you experience any of the above.

When Do Side Effects Start?

Most people experience side effects within the first few weeks of starting Wegovy, especially as the dose gradually increases. 

Your body usually adjusts after a few weeks, but if symptoms persist or become severe, speak to a specialist. Learn what happens during the first week of Wegovy here.

Managing Wegovy Side Effects

Finding what works for you when managing your symptoms can help your weight loss journey feel more comfortable. Some ways you can manage each symptom include:

Nausea

If you feel nauseous from your medication, stick to eating bland and low-fat foods such as rice, soups and low-fat yoghurts. Ensure that you keep your portion sizes small with a concerted effort at the beginning of your journey. 

Staying hydrated and getting plenty of fresh air can also help to ease nausea. Some people also find that sugar-free mints help to take the edge off.

Diarrhoea

If you are suffering from diarrhoea, you should eat easily digestible foods that are gentle on the digestive system. We recommend that you avoid foods or beverages that contain caffeine as caffeine is a natural laxative, and can worsen diarrhoea. 

Constipation

Eat high-fibre-rich foods and be sure to stay hydrated if you are suffering from constipation. 

Headache

Relaxing in a dark room and lying down, as well as over-the-counter pain medicine can help your headaches subside. It’s also important that you stay hydrated, usually at least 2 to 3 litres and get plenty of fresh air to relieve your headache and prevent it from worsening. 

Injection Site Reactions

If you find that your injection site is red and itchy, you may want to try and numb the area before and after injection, with an ice pack or numbing cream. 

If you find that your injection site is hot or tender to touch and it is producing unusual liquids then you should seek medical attention as it may be infected. If you believe you are experiencing an allergic reaction, seek medical attention.

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Can I Drink Alcohol Whilst Taking Wegovy?

Yes, you can drink alcohol whilst taking Wegovy. However, although alcohol isn’t strictly off-limits, it can worsen some side effects. Drinking alcohol may increase the risk of – or worsen – nausea, dizziness, and low blood sugar. 

We recommend that you:

  • Avoid alcohol in the first few weeks
  • Drink in moderation, if at all
  • Don’t drink on an empty stomach

Want to know if you can drink alcohol whilst taking Mounjaro? Find out here. 

What Happens When I Stop Taking Wegovy?

It is a common concern that when you stop the use of your weight loss injection you may gain the weight back. This isn't always the case.

However, making lifestyle changes and staying healthy during and after your treatment process is important.

It is normal that you may gain a few pounds or have weight fluctuations once you have stopped the medication, but maintaining a balanced diet and staying active will help you maintain your healthy weight.

You should speak to a professional about the next steps going forward and what you can do to maintain your weight. This is something we can help with at Dr Frank’s Weight Loss Clinic. We will support you throughout your weight loss journey, ensuring you meet your weight loss goals and stay on track. 

Positive Effects of Using Wegovy

Some of the positives that Wegovy can bring to your life include: 

Weight Loss

The main benefit of this medication is weight loss. This can bring many benefits to those who are overweight and massively improve their quality of life - it can boost your confidence, provide a wide range of health benefits, and boost your overall well-being. 

Improved Metabolic Health

Weight loss can help reduce blood sugar and cholesterol levels whilst also helping you maintain a healthy and stable blood pressure.

Increased Energy

Losing excess weight can lead to increased energy levels and improved mobility, allowing you to engage in physical activities and day-to-day tasks more comfortably.

Improved Self-Esteem

Achieving weight loss goals with Wegovy can boost your self-esteem and confidence, leading to improved mental well-being and confidence.

When you look good, you feel good - weight loss is a huge achievement that you will feel very proud of.

Motivation

Seeing positive results with Wegovy can help to motivate you to continue making healthy choices and stay on the path to maintaining a healthy weight.

Reduced Risk of Obesity-Related Diseases

By reaching a healthy weight, you will be less at risk of obesity-related diseases such as type 2 diabetes, heart disease, and certain cancers. Therefore, this weight loss medication can help you to live a long, healthy, happy life.

Wegovy Weight Loss Pens at Dr Frank’s Weight Loss Clinic

Our Treatment Plan

Once you have completed an online form to determine your eligibility for our weight loss pens, and if needed you will be able to schedule a date and time that suits you for either a remote video consultation or a face-to-face appointment.

We understand that things sometimes come up - so don't worry if you can't make your scheduled appointment. Just let us know 24 hours in advance and we will help you to reschedule.

Once you have had your evaluation, your weight loss specialist will prescribe you a weight loss pen with the correct dose to suit your personal needs.

Our team will then be in regular contact with you to assess how you are feeling, your results and whether you need your dosage to be adjusted. 

You can decide whether you want to be in contact with a dietician or a nutritionist during your journey. They will offer advice on your dietary needs and help you focus on your general well-being with nutrition.

Fill out our online assessment and take the first step towards lasting weight loss today.

Continue Your Weight Loss Discovery

Uncover More Strategies and Success Stories on Our Blog

When Should I Increase My Mounjaro Dose?
Read More
What Is The Best Injection For Weight Loss?
Read More
What to Expect During The First Week on Wegovy
Read More

Real People, Real Results

Susan lost 5 Stone in just 12 months

“For the first time, losing weight has been both easy and successful in my life.”

Cadi lost 3 Stone in just 12 months

“If you're aiming to lose weight or manage polycystic ovaries, go for this program. It's undoubtedly the best decision.”

Ethan lost 5 Stone in just 5 months

“I’ve never felt so comfortable in my own skin. It's a newfound sense of confidence and well-being that has positively impacted every aspect of my life.”

Dimitra lost 4 Stone in just 8 months

“I cannot recommend this programme enough; it truly works! It's the sole solution that has been effective after my long struggle.”

Lauren lost 5 Stone in just 8 months

“I would advise anyone considering this programme that it's a transformative experience. It has allowed me to embrace life and fully enjoy my twenties.”

Susan lost 5 Stone in just 12 months

“For the first time, losing weight has been both easy and successful in my life.”

Cadi lost 3 Stone in just 12 months

“If you're aiming to lose weight or manage polycystic ovaries, go for this program. It's undoubtedly the best decision.”

Ethan lost 5 Stone in just 5 months

“I’ve never felt so comfortable in my own skin. It's a newfound sense of confidence and well-being that has positively impacted every aspect of my life.”

Dimitra lost 4 Stone in just 8 months

“I cannot recommend this programme enough; it truly works! It's the sole solution that has been effective after my long struggle.”

Lauren lost 5 Stone in just 8 months

“I would advise anyone considering this programme that it's a transformative experience. It has allowed me to embrace life and fully enjoy my twenties.”

Susan lost 5 Stone in just 12 months

“For the first time, losing weight has been both easy and successful in my life.”

Cadi lost 3 Stone in just 12 months

“If you're aiming to lose weight or manage polycystic ovaries, go for this program. It's undoubtedly the best decision.”

Ethan lost 5 Stone in just 5 months

“I’ve never felt so comfortable in my own skin. It's a newfound sense of confidence and well-being that has positively impacted every aspect of my life.”

Dimitra lost 4 Stone in just 8 months

“I cannot recommend this programme enough; it truly works! It's the sole solution that has been effective after my long struggle.”

Lauren lost 5 Stone in just 8 months

“I would advise anyone considering this programme that it's a transformative experience. It has allowed me to embrace life and fully enjoy my twenties.”