Compare Victoza vs. Byetta

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

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Victoza (liraglutide)

Prescription only

Byetta (Exenatide)

Prescription only
Lowers your blood sugar.

Victoza (liraglutide) is a medicine you inject once a day to control diabetes, but it can be expensive.

4.7/ 5 average rating with 22 reviewsforVictoza
Lowers blood sugar.

Byetta (Exenatide) can lower your blood sugars in addition to metformin. It does not increase your appetite unlike some other anti-diabetics, but must be given by injection and usually causes upset stomach.

Upsides
  • Lowers A1c (average blood sugar over time) up to 1.5%.
  • Helps with weight loss and controls appetite.
  • Only medicine in this class with proven heart health benefits.
  • No limitation for people with kidney problems, but close monitoring is recommended.
  • Medicine is ready to use, without need to mix.
  • Can lower your A1c (average blood sugar over time) by 1%.
  • Not as likely to cause very low blood sugar as glyburine or insulin.
  • Does not increase your appetite like other anti-diabetic medicines.
  • Pen is dialed to a single dose for easy injections.
Downsides
  • Only available as an injection.
  • Brand name medicine and can be expensive.
  • Compared to other similar medicines, you have to inject this every day.
  • Byetta (Exenatide) must be injected twice a day. Other medicines like it can be injected once daily or even weekly.
  • It commonly causes nausea, vomiting, diarrhea, constipation, or indigestion.
  • Can affect how well your antibiotics and birth control pills work. Take them no sooner than one hour after your injections.
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Used for
Dosage forms
  • Injection
  • Injection
Price
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Reviews
22 reviews so far
73%
saidit'sworth it
91%
saiditworked well
27%
saidit'sa big hassle

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Side effects
2possible side effects
  • Low blood sugar - self-treatable
    27%
  • Injection site reactions
    2%
See more detailed side effects
3possible side effects
  • Nausea
    8%
  • Vomiting
    4%
  • Upset stomach
    3%
See more detailed side effects
Risks and risk factors
  • Thyroid cancer
    • History of MTC
    • History of MEN 2
  • inflammation of pancreas (pancreatitis)
    • History of pancreatitis
    • History of gallstones
    • alcoholism
    • Elevated triglycerides
  • Severe allergic reactions
  • Kidney damage
    • Kidney problems
    • dehydration
  • Low blood sugar (hypoglycemia)
    • Use of insulin(s)
    • Use of insulin-secreting medicines.
  • Severe stomach problems
    • Stomach or digestive tract disease
    • Gastroparesis
See more detailed risks and warnings
  • Loss of medication effectiveness
  • Pancreatitis
  • Kidney problems
    • Severe renal impairment
    • End-stage renal disease
  • Serious stomach problems
    • Severe gastrointestinal disease
    • Gastroparesis
  • Low blood sugar (hypoglycemia)
See more detailed risks and warnings