Compare Victoza vs. Lantus

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Victoza
(liraglutide)

Lantus
(insulin glargine)

Lowers your blood sugar. 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 blood sugar. Lantus (Insulin Glargine) is a long-acting insulin that provides all-day sugar control. It can cause low blood sugar, so make sure you know what the symptoms are and always have a source of sugar nearby.
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Best available price for 1 (3 pens of 18mg/3ml) carton of liraglutide
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Reviews & ratings
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6.5Victoza
Reviews for Victoza (liraglutide)
73%
of people (All ages) say Victoza (liraglutide) is worth it
91%
say it works well
27%
say it's a big hassle
Have you used Victoza (liraglutide)?
Worth itNot sureNot worth it
Reviews for Lantus (insulin glargine)
67%
-6% worse vs. Victoza (liraglutide)
51%
-40% worse vs. Victoza (liraglutide)
14%
+13% better vs. Victoza (liraglutide)
584 reviews
Have you used Lantus (insulin glargine)?
Worth itNot sureNot worth it
Side effects
VictozaLantus
  • Nausea 26%
  • Diarrhea 17%
  • Vomiting 9%
  • Constipation 10%
More Victoza side effects »
  • Ear, nose, or throat infection 22%
  • Infection 9%
  • Accidental injury 6%
  • Headache 6%
  • Ankle and leg swelling 20%
  • High blood pressure 20%
  • Sinus inflammation 19%
  • Flu 19%
  • Clouded eye lens 18%
  • Bronchitis 15%
More Lantus side effects »
How it works
VictozaLantus
Victoza (Liraglutide) is a medication for diabetes. It stimulates your body to produce and release more insulin, lower the sugar hormone (glucagon), and slow down digestion.Lantus (Insulin Glargine) is a long-acting insulin medicine for diabetes. It acts like the insulin that your body normally makes to process sugars and fats, and it keeps your blood sugar stable throughout the day.
Type of medication
VictozaLantus
Prescription only
Prescription only
Available as
VictozaLantus
  • Injection
  • Injection
Used for
VictozaLantus
Risk factors for serious side effects
VictozaLantus
  • Using insulin
  • Using medications that increase the amount of insulin in your body (glipizide, glyburide or glimepiride)
  • Dehydration
  • Diarrhea
  • Nausea
Detailed Victoza (liraglutide) risks & warnings »
  • Insulin dose too high
  • Use of other blood sugar lowering medicines
  • Poor injection techniques
  • Unstable kidney functions
  • Unstable liver functions
Detailed Lantus (insulin glargine) risks & warnings »
Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Food
VictozaLantus
  • Eat regular, balanced meals to avoid low blood sugar.
No food related info.
Kidneys and liver
VictozaLantus
  • 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.
  • Okay to use even if you have liver or kidney problems, unlike most other blood sugar-lowering medicines.
Pain
VictozaLantus
  • 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.
No pain related info.
Weight
VictozaLantus
  • Weight loss is a common side effect.
  • Likely to cause moderate weight gain (around 4 to 6 pounds).
  • Can cause weight gain and low blood sugar.
Upsides and benefits
VictozaLantus
  • 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.
  • Insulin is the most effective blood sugar-lowering medicine. When used correctly, it'll lower blood sugar every time you use it and prevent the harmful effects of high sugar levels on your organs and blood vessels.
  • Lantus is a long-lasting insulin that provides consistent, all-day sugar control with less risk of low blood sugar.
  • Dose can be easily adjusted to make a customized regimen that's tailored to your body.
  • Starting insulin early in the treatment of Type 2 diabetes can maintain your body's insulin-producing cells and slow down disease progression.
  • Okay to use even if you have liver or kidney problems, unlike most other blood sugar-lowering medicines.
Downsides and risks
VictozaLantus
  • 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.
  • You have to take insulin by injection.
  • You have to check your blood sugar every day.
  • Likely to cause moderate weight gain (around 4 to 6 pounds).
  • Higher risk of low blood sugar episodes than other kinds of diabetes medicines.
Tips from our pharmacists for people taking the medication
VictozaLantus
  • 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.
  • Long-acting insulin good for baseline blood sugar control.
  • Works in 1 hour and lasts about 24 hours.
  • Can cause weight gain and low blood sugar.
  • Make sure you and your family know the symptoms of low blood sugar: sweating, shakiness, weakness, fast heartbeat, nervousness, headache, blurry vision, trouble thinking clearly, or passing out.
  • Always have a good source of sugar nearby for low blood sugar episodes.
  • Take it at the same time every day.
  • Make sure you understand how to give yourself the injections.
  • Don't shake the vial or mix with another insulin. Store unopened vials in the refrigerator. Opened vials are good at room temperature for 28 days.
  • Check your blood sugar levels every day.
Learn more
More about VictozaSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Victoza (liraglutide)?
Worth itNot sureNot worth it
More about LantusSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Lantus (insulin glargine)?
Worth itNot sureNot worth it