Compare metformin vs. Precose

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

Glucophage
(metformin)

Precose
(acarbose)

Lowers blood sugar. Glucophage (metformin) is the first choice medicine to control your blood sugar and lower the risk of death from diabetes, although a few people may not tolerate the stomach side effects.Coming soon.
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Coupons for metformin
Best available price for 60 (500mg) tablets of metformin
Coupons for Precose
Best available price for 90 (25mg) tablets of acarbose
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.01metformin
Reviews for metformin
65%
of people (All ages) say metformin is worth it
46%
say it works well
16%
say it's a big hassle
938 reviews
Have you used Glucophage (metformin)?
Worth itNot sureNot worth it

Not enough reviews for this treatment. Help someone out, leave a review!

Have you used Precose (acarbose)?
Worth itNot sureNot worth it
Side effects
metforminPrecose
  • Diarrhea 41%
  • Nausea/vomiting 18%
  • Gas 6%
  • Weakness 3%
  • Indigestion 3%
  • Stomach pain 1%
  • Headache 1%
More metformin side effects »

We haven’t found good data for Precose side effects.

FDA side effect reports for Precose »
How it works
metforminPrecose
Glucophage (metformin) is an anti-diabetic drug. It lowers the amount of sugar your body makes or absorbs, and allows your body use the existing insulin better.Coming soon.
Type of medication
metforminPrecose
Prescription only
Available as
metforminPrecose
  • Pill
  • Extended release pill
  • Liquid
  • Pill
Used for
metforminPrecose
  • Diabetes Mellitus Type 2
Risk factors for serious side effects
metforminPrecose
  • Kidney problems
  • Liver problems
  • Congestive heart failure
  • Using contrast dye for procedures
  • Surgery
Detailed Glucophage (metformin) risks & warnings »
    Coming soon.
    Pregnancy

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

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

    Alcohol
    metforminPrecose
    • Excessive or chronic alcohol use can increase the risk of a dangerous side effect.
    • Limit or avoid alcohol when taking this medicine.
    No alcohol related info.
    Food
    metforminPrecose
    • Always take it with food to lessen stomach upset.
    No food related info.
    Kidneys and liver
    metforminPrecose
    • Usually not a good choice for people with kidney problems. Your doctor will tell you if Glucophage (metformin) is right for you to take.
    • Glucophage (metformin) can cause this rare life-threatening condition. Your doctor will check your kidneys and liver before you start. Symptoms include deep and rapid breathing, nausea, vomiting, and stomach pain. This is a medical emergency and you should get help right away. You're more likely to get this if you already have kidney problems. Glucophage (metformin) should be stopped 48 hours before and after surgery or any imaging procedure needing contrast dye.
    No kidneys and liver related info.
    Weight
    metforminPrecose
    • Doesn't cause weight gain.
    No weight related info.
    Upsides and benefits
    metforminPrecose
    • Improves sugar control and lowers A1c levels as much as 2%.
    • One of the few diabetes medicines that lowers the risk of death from diabetes-related complications.
    • Doesn't cause weight gain.
    • Rarely causes low blood sugar.
    Coming soon
    Downsides and risks
    metforminPrecose
    • Often causes stomach upset, like diarrhea, nausea, gas, or stomach cramping.
    • Usually not a good choice for people with kidney problems. Your doctor will tell you if Glucophage (metformin) is right for you to take.
    • Excessive or chronic alcohol use can increase the risk of a dangerous side effect.
    Coming soon
    Tips from our pharmacists for people taking the medication
    metforminPrecose
    • Can cause upset stomach with nausea and especially diarrhea in the first couple of weeks.
    • Always take it with food to lessen stomach upset.
    • Stay hydrated.
    • Limit or avoid alcohol when taking this medicine.
    • Tell your doctor about any deep or rapid breathing, or persistent nausea, vomiting, and stomach pain.
    • Check your blood sugar regularly.
    Coming soon
    Learn more
    More about metforminSide effectsReviews & ratingsAlternativesFDA package insert
    Have you used Glucophage (metformin)?
    Worth itNot sureNot worth it
    More about PrecoseSide effectsReviews & ratingsFDA package insert
    Have you used Precose (acarbose)?
    Worth itNot sureNot worth it