Compare Glyburide vs. Novolog

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

Diabeta
(Glyburide)

Novolog
(Insulin Aspart)

Lowers blood sugar. Glyburide is a very effective oral blood sugar-lowering medicine, but has more side effects and restrictions compared to other medicines in this class (sulfonylureas).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.
Find lowest prices
Powered by GoodRxSave on your next prescription. Be sure you’re getting the lowest price for your medication, even if you have insurance.
Reviews & ratings
Button Group. All currently active
Button Group. All currently active
4.4036697247706424Glyburide
Reviews for Diabeta (Glyburide)
46%
of people say Diabeta (Glyburide) is worth it
33%
say it works well
20%
say it's a big hassle
Reviews for Novolog (Insulin Aspart)
58%
+12% vs. Diabeta (Glyburide)
46%
+13% vs. Diabeta (Glyburide)
18%
+2% vs. Diabeta (Glyburide)
Side effects
GlyburideNovolog

The Glyburide FDA package insert doesn’t have numbers about how common side effects are.

More about Glyburide side effects »

The Novolog FDA package insert doesn’t have numbers about how common side effects are.

More about Novolog side effects »
How it works
GlyburideNovolog
Glyburide is an anti-diabetic drug. It stimulates your body to make more insulin to lower blood sugar.Novolog is a short-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 after meals.
Type of medication
GlyburideNovolog
Anti-diabetic
Sulfonylurea
Prescription only
Anti-diabetic
Insulin
Prescription only
Available as
GlyburideNovolog
  • Pill
  • Injection
Used for (click to learn more)
GlyburideNovolog
Risk factors for serious side effects
GlyburideNovolog
    • Elderly
    • Use of other blood sugar lowering medicines
    • Alcohol
    • Intense physical activity
    • History of sulfa allergies
    Detailed Diabeta (Glyburide) risks & warnings »
    • Insulin dose too high
    • Use of other blood sugar lowering medicines
    • Poor injection techniques
    • Unstable kidney functions
    • Unstable liver functions
    • Use of other medicine that lowers potassium
    • Current electrolyte imbalance
      Detailed Novolog (Insulin Aspart) risks & warnings »
      Pregnancy category
      GlyburideNovolog
      CFDA pregnancy category (Weigh risks vs. benefits)

      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.

      See the FDA package insert
      BFDA pregnancy category (Probably safe)

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      See the FDA package insert
      Alcohol
      • Avoid drinking alcohol.
      No specific alcohol-related info.
      Food
      • Works best if you take it 30 minutes before a meal, usually your first big meal of the day.
      • Eat regular, balanced meals to avoid low blood sugar.
      • You have to check your blood sugar multiple times every day, usually before each meal.
      • Novolog is a fast-acting insulin that provides sugar control after meals.
      • Short-acting insulin good for blood sugar control around meal times.
      • Take 5 to 10 minutes before a meal. Effects last for 2-4 hours.
      Kidneys and liver
      • Not a good choice for people with kidney problems because it's processed by the kidneys.
      • Okay to use even if you have liver or kidney problems, unlike most other blood sugar-lowering medicines.
      Sex
      No specific sex-related info.No specific sex-related info.
      Sleep
      No specific sleep-related info.No specific sleep-related info.
      Weight
      • Can cause mild weight gain (2 to 3 pounds).
      • Can cause weight gain, dizziness, or stomach upset.
      • Likely to cause moderate weight gain (around 4 to 6 pounds).
      • Can cause weight gain and low blood sugar.
      Upsides and benefits
      GlyburideNovolog
      • Oral blood sugar-lowering medicine.
      • Lowers A1c levels by 1-2%. (Hemoglobin A1c measures your average blood sugar over time.)
      • Prevents the harmful effects of high sugar levels on your organs and blood vessels.
      • One of the least expensive diabetes medicines.
      • 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.
      Downsides and risks
      GlyburideNovolog
      • Higher risk of low blood sugar episodes than other kinds of oral diabetes medicines.
      • You have to check your blood sugar 2 to 5 times a week (less often once you are on a stable dose).
      • Can cause mild weight gain (2 to 3 pounds).
      • Not preferred for people 65 years or older since it can cause prolonged low blood sugar (more than 12 hours).
      • Not a good choice for people with kidney problems because it's processed by the kidneys.
      • Loses effectiveness over time or as your body stops making insulin.
      • 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.
      Tips from our pharmacists for people taking the medication
      GlyburideNovolog
      • Works best if you take it 30 minutes before a meal, usually your first big meal of the day.
      • Can cause weight gain, dizziness, or stomach upset.
      • Avoid drinking alcohol.
      • Eat regular, balanced meals to avoid low blood sugar.
      • Check your blood sugar regularly.
      • Short-acting insulin good for blood sugar control around meal times.
      • Take 5 to 10 minutes before a meal. Effects last for 2-4 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.
      • Make sure you understand how to give yourself the injections.
      • When mixing with another insulin (such as insulin NPH), draw this insulin into the syringe first.
      • Don't shake the vial. 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 GlyburideSide effectsReviews & ratingsAlternativesFDA package insert
      More about NovologSide effectsReviews & ratingsAlternativesFDA package insert