Prescription onlyNo lower cost generic available



  • Injection
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Lowers your blood sugar.

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Prescription onlyNo lower cost generic available

Our pharmacists’ 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.

  • 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 effects for Victoza (Liraglutide)

From clinical trials of Victoza / Type 2 diabetes ( 530)

  • NauseaNausea35% for Victoza vs.9% for placebo
  • NauseaNausea28% for Victoza vs.0% for placebo
  • NauseaNausea26% for Victoza vs.0% for placebo
  • DiarrheaDiarrhea17% for Victoza vs.0% for placebo
  • NauseaNausea15% for Victoza vs.4% for placebo
  • NauseaNausea14% for Victoza vs.4% for placebo
  • DiarrheaDiarrhea14% for Victoza vs.6% for placebo
  • VomitingVomiting12% for Victoza vs.3% for placebo
  • DiarrheaDiarrhea12% for Victoza vs.0% for placebo
  • VomitingVomiting11% for Victoza vs.0% for placebo

What to expect when you start Victoza (Liraglutide)

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Tips from our pharmacists
  • Store in the refrigerator until opening.
  • Give injections in your belly, thighs, or upper arm.
  • Change the needle every time you inject.
  • It’s not safe to share this medication with other people, even if you change the needle.
  • Don’t mix with insulin; always give yourself separate injections. Can be given at the same time as insulin, but in different injection areas.
  • Eat regular, balanced meals to avoid low blood sugar.
  • It's best to check your blood sugar at least once a day using a home blood sugar monitor to make sure your medication is working and is safe. Some people may need to test more often, ask your doctor.
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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

Tips from pharmacists and people taking Victoza (Liraglutide)

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The FDA category for this medication is C. It is advised that you: Weigh risks vs. benefits
  • Tips from our pharmacists
  • Eat regular, balanced meals to avoid low blood sugar.
Kidneys & liver
  • Risks from our pharmacists
  • 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.
Weight gain or loss
  • Upsides and downsides from our pharmacists
  • Weight loss is a common side effect.