Compare Toujeo vs. Janumet

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

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Lowers blood sugar.

Toujeo (insulin glargine) is a concentrated long-actin insulin that allows you to inject higher doses at lower volume compared to other long-acting insulins like Lantus and Levemir.

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
  • Most effective medicine for controlling your blood sugar.
  • Can be injected once daily.
  • Contains 3 times as much insulin as other long-acting insulins, which means that you can inject lower fluid volume.
  • Can be used in patients 65 and older.
  • 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
  • Has to be injected.
  • Can cause weight gain like other insulins
  • Can cause low blood sugar (hypoglycemia), especially if you do not take it consistently or have an inconsistent meal and exercise schedule.
  • 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.
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Used for
Dosage forms
  • Injection
  • Pill
  • Extended release
Price
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Reviews
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79 reviews so far
46%
saidit'sworth it
38%
saiditworked well
15%
saidit'sa big hassle

Have you used Janumet (sitagliptin / metformin)?

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Side effects
3possible side effects
  • Hypoglycemia (low blood sugar)
    69%
  • Common cold
    13%
  • Lung infection
    10%
See more detailed side effects
5possible side effects
  • Low blood sugar
    16%
  • Diarrhea
    8%
  • Upper respiratory tract infection
    6%
  • Headache
    6%
  • Abdominal pain
    2%
See more detailed side effects
Risks and risk factors
  • Sharing of Toujeo (insulin glargine) pens
  • Changes in blood sugar levels
    • Changes in insulin
    • Alcohol
    • Other anti-diabetic medications
  • Medication errors
    • Using more than one insulin at a time
  • Severe allergic reactions
    • Allergic reactions to other insulins
  • Hypoglycemia (low blood sugars)
  • Fluid accumulation leading to heart failure
    • Taking thiazolidinediones in combination with insulin
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