Prescription onlyNo lower cost generic available



Prescription onlyNo lower cost generic available
  • Injection
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Lowers your blood sugar.

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Our bottom line

Victoza (Liraglutide) helps lower blood sugar for people with diabetes and causes weight loss, but it has to be given by injection and many people have upset stomach.

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  • Lowers A1c levels by 1% (A1c measures your average blood sugar over time.)
  • Prevents the harmful effects of high sugar levels on your organs.
  • Taken only once a day compared to similar medications that have to be taken more often.
  • Weight loss is a common side effect.
  • Helps lower your blood sugar in combination with other medications when other medications alone aren’t working.


  • Only lowers A1c levels by 1%, which may not be enough to get your blood sugar in the safe range.
  • Only available as an injectable medication; other diabetes medications can be taken by mouth.
  • Up to a third of people taking Victoza (Liraglutide) have upset stomach, and side effects like nausea, vomiting, diarrhea, constipation, or indigestion.
  • Other diabetes medications work as well and are cheaper.
  • Not considered the best first choice drug to help lower blood sugar.
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Side effect rates for Victoza (Liraglutide)

530 From clinical trials of Victoza / Type 2 diabetes
  • Nausea
  • Nausea
  • Nausea
  • Diarrhea
  • Nausea
  • Nausea
  • Diarrhea
  • Diarrhea
  • Vomiting
  • Diarrhea

Risks and Warnings for Victoza (Liraglutide)

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  • There have been reports in clinical studies of rats and mice having increased risk of thyroid tumors. While it's not clear if this could happen in humans, if you or your family have had a history of medullary thyroid carcinoma, your doctor will recommend alternates. Call your doctor if you notice a lump in the neck, trouble breathing or swallowing, or hoarseness.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Common concerns from people taking Victoza (Liraglutide)

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  • Eat regular, balanced meals to avoid low blood sugar.
  • have bland food on hand to eat, nausea now for 14 days. No vomiting. A little regurgitation not so fun. Since I am not eating much do to the nausea, bowel is very slow. Not constipated , just not regular.
Kidneys and liver
  • There have been reports of people having kidney damage or failure while on Victoza (Liraglutide), usually when they've also had diarrhea, vomiting or nausea. Stay hydrated to prevent this from happening, or call your doctor if you're suddenly unable to urinate or the amount of urine you pass is decreased.
  • Using Victoza (Liraglutide) has been associated with stomach pain, nausea, vomiting and diarrhea. If you have severe gastrointestinal disease such as Crohn’s Disease or Ulcerative Colitis, you should talk to your doctor about using a different medication for diabetes.
  • Weight loss is a common side effect.