Compare Novolog vs. Janumet

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

Lowers blood sugar.

Novolog is a fast-acting insulin that provides meal-time 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.

3.5/ 5 average rating with 177 reviewsforNovolog
Lowers your blood sugar.

Janumet is a combination of two anti-diabetic medicines that work better together, but is available as brand only.

3.4/ 5 average rating with 79 reviewsforJanumet
Upsides
  • 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.
  • Novolog is a fast-acting insulin that provides sugar control after meals.
  • 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.
  • This 2-in-1 combination can lower the number of pills you have to take daily.
  • Lowers A1c (average blood sugar over time) up to 2.5%.
  • Available in extended and immediate release forms to allow better control of your blood sugar.
  • Doesn't increase your appetite unlike other anti-diabetic medicines.
  • Does not cause hypoglycemia or very low blood sugar.
Downsides
  • You have to take insulin by injection.
  • You have to check your blood sugar multiple times every day, usually before each meal.
  • Likely to cause moderate weight gain (around 4 to 6 pounds).
  • Higher risk of low blood sugar episodes than other kinds of diabetes medicines.
  • Available as brand name only and may be expensive.
  • Metformin component usually causes upset stomach.
  • Sitagliptin component may increase your risk for throat infections and inflammation of pancreas.
  • Not appropriate for those with poor kidney function.
Used for
Dosage forms
  • Injection
  • Pill
  • Extended release
Price
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Reviews
177 reviews so far
58%
saidit'sworth it
46%
saiditworked well
19%
saidit'sa big hassle

Have you used Novolog (Insulin Aspart)?

Leave a review
79 reviews so far
46%
saidit'sworth it
38%
saiditworked well
15%
saidit'sa big hassle

Have you used Janumet (sitagliptin / metformin)?

Leave a review
Side effects
The Novolog (Insulin Aspart) FDA package insert doesn’t have numbers about how common side effects are.
The Janumet (sitagliptin / metformin) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Life-threatening low blood sugar (Hypoglycemia)
    • Insulin dose too high
    • Use of other blood sugar lowering medicines
    • Poor injection techniques
    • Unstable kidney functions
    • Unstable liver functions
  • Complications due to low potassium
    • Use of other medicine that lowers potassium
    • Current electrolyte imbalance
  • Severe allergic reactions
See more detailed risks and warnings
  • Excess lactic acid in the blood
    • Kidney problems
    • Liver problems
    • Congestive heart failure
    • Using contrast dye for procedures
    • Surgery
    • Alcohol use
  • Low vitamin B12 levels
  • Inflammation of the pancreas
  • Serious allergic reactions
See more detailed risks and warnings
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Disclaimer: We don't provide medical advice. If you think you might have a medical emergency, call your doctor or 911 immediately.