Compare Glucotrol vs. Invokana

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

Glucotrol (glipizide)

Prescription only

Invokana (canagliflozin)

Prescription only
Lowers blood sugar.

Glucotrol (glipizide) is an effective medicine for lowering blood sugar, but it can cause your blood sugar level to be too low so you must always carry some form of sugar with you that can be readily used.

4.3/ 7 average rating with 332 reviewsforGlucotrol
Lowers blood sugar.

Invokana (canagliflozin) can be used together with other diabetes medicines to help lower your blood sugar, but it can be expensive because it's brand name.

5.5/ 7 average rating with 27 reviewsforInvokana
Upsides
  • Lowers A1c levels by 1-2%.
  • Glucotrol (glipizide) is an oral medicine so it might be a good alternative for those who don't like injections.
  • Protects your organs and blood vessels by preventing the harmful effects of high blood sugar levels.
  • Okay to use by people with kidney problems.
  • Available as a generic form and is relatively cheap.
  • Lowers A1C (blood sugar) levels by 1%.
  • You only have to take Invokana (canagliflozin) once a day before meals.
  • Less likely to cause low blood sugar than other diabetes medicines.
  • Also available as a combination drug with metformin (Invokamet).
Downsides
  • Has a higher risk than other diabetes medicine for causing blood sugar levels to be too low.
  • While taking Glucotrol (glipizide), your blood sugars should be checked 2 to 5 times a week, but less often once you are on a stable dose.
  • Can cause mild weight gain of 2-3lb.
  • Might lose its effectiveness over time.
  • Needs to be taken 30 minutes before a meal for it to be most effective.
  • You're more likely to have broken bones, yeast infections and urinary tract infections with Invokana (canagliflozin).
  • There's a rare but serious risk of leg and foot amputations with Invokana (canagliflozin). Talk to your doctor if you develop new pain or infections in your feet.
  • Not for people with severe kidney problems.
  • Can raise your cholesterol.
  • Avoid if you are a heavy drinker of alcohol.
Used for
Dosage forms
  • Pill
  • Extended release pill
  • Pill
Price
Lowest price near you
$9.99
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Lowest price near you
$444.76
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Reviews
332 
50%
think this treatment is worth it
32%
think this treatment works well
19%
think this treatment is a hassle

Have you used Glucotrol (glipizide)?

Leave a review
27 
67%
think this treatment is worth it
56%
think this treatment works well
19%
think this treatment is a hassle

Have you used Invokana (canagliflozin)?

Leave a review
Side effects
9possible side effects
  • Dizziness
    7%
  • Diarrhea
    5%
  • Nervousness
    4%
  • Tremor
    4%
  • Low blood sugar
    3%
  • Constipation
    3%
  • Passing gas
    3%
  • Nausea
    3%
  • Headache
    2%
See more detailed side effects
9possible side effects
  • Yeast infection in women
    11%
  • Urinary tract infections
    6%
  • Increased urination
    5%
  • Yeast infection in men
    4%
  • Thirst
    3%
  • Vaginal itching
    2%
  • Constipation
    2%
  • Nausea
    2%
  • Abdominal pain
    2%
See more detailed side effects
Risks and warnings
  • Low blood sugar

    Skipping meals or having inconsistent meal times

    ...and 4 more risk factors

  • Severe allergic reaction

    History of allergy to sulfa-containing medicine

  • Kidney and liver disease

    Those with kidney and/or liver disease

  • Breakdown of red blood cells

    People with G6PD deficiency

See more detailed risks and warnings
  • Increased risk of leg and foot amputations

    History of amputations 

    ...and 3 more risk factors

  • Kidney damage and low blood pressure

    History of kidney damage

    ...and 3 more risk factors

  • Low blood sugar (hypoglycemia)

    Taking medicines for diabetes

  • Increased acid and ketones in the blood

    Long periods of fasting

    ...and 3 more risk factors

See more detailed risks and warnings