Compare Precose vs. Januvia

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

Precose (acarbose)

Prescription only

Januvia (sitagliptin)

Prescription only
Lowers blood sugar.

Precose (acarbose) helps lower your post-mealtime blood sugar levels, but it must be taken at the beginning of each main meal in order for it to be most effective.

Lowers your blood sugar.

Januvia (sitagliptin) is a good add-on treatment if your blood sugars are not controlled and you don't want to use an injectable medicine.

4.3/ 7 average rating with 143 reviewsforJanuvia
Upsides
  • Precose (acarbose) helps control meal-time blood sugar levels without causing weight gain.
  • When used alone it doesn't normally cause blood sugar levels to be too low unlike other anti-diabetes medicines.
  • Safe to be used in people age 65 or older.
  • Has relatively few interactions with other medicines.
  • Oral blood sugar-lowering medicine.
  • Januvia (sitagliptin) is not linked to worsening heart failure like other medicines in its class.
  • Uses the hormones naturally produced by your body to affect how sugar is processed.
  • It is less likely to cause weight gain and low blood sugar compared to other diabetes medicines.
Downsides
  • Not a first choice medicine because it isn't as effective at lowering blood sugar compared to other treatment options.
  • Associated with bothersome side effects like excessive gas and diarrhea.
  • Relatively more expensive than other diabetes medicines.
  • Has to be taken three times a day with each meal.
  • Might cause episodes of low blood sugar when taken together with insulin or medicines that stimulate insulin release.
  • Lowers A1c (average blood sugar over time) by less than 1%.
  • Available as brand version only.
  • Some people might get frequent cold-like symptoms.
  • Rare but serious side effects include pancreatitis and severe joint pain.
Used for
Dosage forms
  • Pill
  • Pill
Price
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$28.25
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$415.3
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Reviews
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143 
44%
think this treatment is worth it
34%
think this treatment works well
17%
think this treatment is a hassle

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Side effects
3possible side effects
  • Excessive gas
    74%
  • Diarrhea
    31%
  • Stomach pain
    19%
See more detailed side effects
3possible side effects
  • Common cold
    5%
  • Diarrhea
    3%
  • Abdominal pain
    2%
See more detailed side effects
Risks and warnings
  • Low blood sugar

    Using insulin or other medicines that stimulate insulin release

  • Kidney function

    Those with kidney problems

  • Interactions with other medicines

    Taking multiple medicines together

See more detailed risks and warnings
  • Death from inflammation of the pancreas (pancreatitis)

    History of pancreatitis

    ...and 4 more risk factors

  • Kidney damage

    Pre-existing kidney damage

  • Low blood sugar (hypoglycemia)

    Taking medicines for diabetes

See more detailed risks and warnings