Saxenda (3 Pens)


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Potential side effects

As with all medication Saxenda can be associated with unwanted side effects.  Although generally mild in nature some of these can be more severe which can result in the treatment being discontinued.

When treatments is initially started, some individuals may result in a loss of bodily fluids.  This can be a result of gastro disturbances such as vomiting or diarrhoea.  It is important to ensure you drink plenty of fluids and keep yourself well hydrated whilst taking Saxenda.  Most mild side effects will settle once your body gets accustomed to the new medication.  However, as always, if any side effects persists then treatment should be discontinued and your doctor should be consulted.

Side effects can include (but are not limited to) –


  • Nausea & vomiting (settles after your body adjusts to treatment)
  • Diarrhoea (settles after your body adjusts to treatment)


  • Low blood sugar (hypoglycaemia) – signs of this may include tremor, feeling weak & hungry, sweating, cold or cool skin, feeling sleepy, difficulty in concentrating, confusion, headache, anxiety, feeling nervous, faster heart rate.
  • Nausea
  • Headache
  • Gastro-intestinal disturbances – Indigestion, reflux (GORD), inflammation, painful, swollen abdomen, excess wind, constipation.
  • Common cold sypmtoms – Tiredness (fatigue), Pyrexia (fever), dizziness.
  • Loss of appetite
  • Local reactions around the injection site – rash, itch, pain, bruising, swelling


  • Thyroid reactions such as goiters, nodules.
  • Pancreatitis


  • Angioedema

What is Saxenda?

Saxenda is a weight-loss treatment which can help adults to lose weight when used alongside a reduced-calorie diet and exercise routine.

If you have a BMI of 30 and above and are finding it difficult to lose weight and keep it off, Saxenda weight loss injections may be right for you. They help you to feel fuller, which may help you to eat less and reduce your calorie intake, which leads to losing weight and may help you to keep it off.

How Saxenda work for weight loss?

The active ingredient in Saxenda is Liraglutide, a medication which is similar to a naturally occurring hormone in your body which is called GLP-1 (glucagon-like peptide-1).

GLP-1 is created in your digestive system after you eat a meal and is a hormone which tells your body that you’re full and helps to regulate your hunger. By creating a similar effect to GLP-1, Liraglutide helps to reduce your appetite and makes you feel fuller, which may lead to you consuming fewer calories and therefore losing weight. When paired with a low-calorie diet and regular exercise, this treatment can help you to lose weight and keep it off.