Compare Toujeo vs. Novolog

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

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Toujeo (insulin glargine)

Prescription only

Novolog (insulin aspart)

Prescription only
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 blood sugar.

Novolog (insulin aspart) is a fast-acting insulin that provides meal-time blood sugar control. For long-term control, you'll need to take Novolog (insulin aspart) with other medicines to keep your overall blood sugar down.

3.5/ 5 average rating with 177 reviewsforNovolog
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.
  • When used correctly, this medication will l lower blood sugar every time you use it and prevent the harmful, long-term effects of high sugar levels on your organs and blood vessels.
  • You can easily change the dose of Novolog (insulin aspart) to fit your individual needs.
  • Starting insulin early in the treatment of Type 2 diabetes can maintain your body's insulin-producing cells and slow down disease progression.
  • Can use Novolog (insulin aspart) even if you have liver or kidney problems, unlike many other blood sugar-lowering medicines.
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.
  • Have to take insulin by injection.
  • Might have to check your blood sugar multiple times a day, usually before each meal.
  • Novolog (insulin aspart) is likely to cause moderate weight gain.
  • Higher risk of low blood sugar episodes compared to other kinds of diabetes medications.
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Used for
Dosage forms
  • Injection
  • Injection
Price
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Reviews
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177 reviews so far
58%
saidit'sworth it
46%
saiditworked well
19%
saidit'sa big hassle

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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
The Novolog (insulin aspart) FDA package insert doesn’t have numbers about how common side effects are.
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
  • Life-threatening low blood sugar (Hypoglycemia)
    • Insulin dose too high
    • Use of other blood sugar lowering medicines
    • Poor injection techniques
    • Changes in meal pattern or exercise
    • Kidney problems
    • Liver problems
  • Complications due to low potassium
    • Use of medications that lower potassium
    • Current imbalance of electrolytes
  • Severe allergic reactions
    • Allergy to insulin
See more detailed risks and warnings