Compare Precose vs. Janumet

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

Precose
(Acarbose)

Janumet
(Sitagliptin / Metformin)

Coming soon.Lowers blood sugar. Janumet is an expensive but very effective combination of oral blood sugar-lowering medicines.
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Reviews & ratings
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Reviews for Janumet (Sitagliptin / Metformin)
44%
56% vs. Precose (Acarbose)
36%
64% vs. Precose (Acarbose)
16%
16% vs. Precose (Acarbose)
Side effects
PrecoseJanumet

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

FDA side effect reports for Precose »
  • Diarrhea 4%
  • Nausea 4%
  • Headache 3%
  • Abdominal pain 1%
  • Ear, nose, or throat infection 1%
More Janumet side effects »
How it works
PrecoseJanumet
Coming soon.Janumet is an antidiabetic combination medicine. Metformin lowers the amount of sugar your body produces, and sitagliptin helps your body release more insulin.
Type of medication
PrecoseJanumet
Coming soon.
Anti-diabetic
DPP-4 inhibitor
Biguanide
Prescription only
Available as
PrecoseJanumet
  • Pill
  • Pill
  • Extended release
Used for (click to learn more)
PrecoseJanumet
  • Diabetes mellitus type 2
Risk factors for serious side effects
PrecoseJanumet
Coming soon.
  • Kidney problems
  • Liver problems
  • Congestive heart failure
  • Contrast dye for procedure
  • Surgery
  • Alcohol use
        Detailed Janumet (Sitagliptin / Metformin) risks & warnings »
        Pregnancy category
        PrecoseJanumet
        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
        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
        No specific alcohol-related info.No specific alcohol-related info.
        Food
        No specific food-related info.
        • Take it with food to avoid upset stomach with diarrhea, nausea, and vomiting.
        Kidneys and liver
        No specific kidneys and liver-related info.
        • People with poor kidney function can't use it.
        • Janumet (Sitagliptin / Metformin) can cause this rare but life-threatening condition. Symptoms include deep and rapid breathing, nausea, vomiting, and stomach pain. This is a medical emergency and you should get help right away. Baseline blood work for kidney and liver function are helpful to see if you can use Janumet (Sitagliptin / Metformin). It may not be a good choice for people with kidney problems. Janumet (Sitagliptin / Metformin) should be stopped 48 hours before and/or after surgery or any imaging procedure needing contrast dye.
        Sex
        No specific sex-related info.No specific sex-related info.
        Sleep
        No specific sleep-related info.No specific sleep-related info.
        Weight
        No specific weight-related info.
        • Doesn't cause weight gain or low blood sugar.
        Upsides and benefits
        PrecoseJanumet
        Coming soon.
        • 2-in-1 combination medicine. If you need more than one blood sugar medicine, this lowers the number of pills you have to take.
        • Lowers A1c levels by 1-2.5%. (Hemoglobin A1c measures your average blood sugar over time.)
        • Prevents the harmful effects of high sugar levels on your organs and blood vessels.
        • Doesn't cause weight gain or low blood sugar.
        • You don't have to check your blood sugar every day with this medicine.
        Downsides and risks
        PrecoseJanumet
        Coming soon.
        • Likely expensive since there's no generic version available.
        • The metformin part of Janumet can cause nausea, indigestion, or diarrhea for most people in the first few weeks.
        • People with poor kidney function can't use it.
        • The sitagliptin part of Janumet can cause some people to have frequent throat infections or nasal congestion.
        • Might raise the risk of problems with your pancreas.
        Tips from our pharmacists for people taking the medication
        PrecoseJanumet
        Coming soon.
        • Take it with food to avoid upset stomach with diarrhea, nausea, and vomiting.
        • May cause headaches and cold-like symptoms.
        • Tell your doctor about any deep or rapid breathing, or persistent nausea, vomiting, and stomach pain.
        • Can be expensive depending on insurance coverage.
        • Check your blood sugar regularly.
        Learn more
        More about PrecoseSide effectsReviews & ratingsFDA package insert
        More about JanumetSide effectsReviews & ratingsAlternativesFDA package insert