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Compare Janumet vs. Metformin

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

  • Janumet (sitagliptin / metformin)
    Metformin
  • Janumet (sitagliptin / metformin)
    Metformin

  • Summary of Janumet vs. Metformin

    Summary for DPP-4 inhibitor / Biguanide
    Prescription only

    Janumet (sitagliptin / metformin) is a medication for adults with Type 2 diabetes. It contains two different diabetes medications that work together to help control blood sugar. One is sitagliptin, a DPP-4 inhibitor, and the other is metformin, a biguanide. The Janumet immediate-release tablets are taken by mouth twice a day. It works best when used with a balanced meal plan and exercise routine. Some side effects are diarrhea, upper respiratory tract infection, and headache. There's only a brand-name version of Janumet; there's no generic version yet.

    Summary for Biguanide
    Prescription only

    Immediate-release metformin is an oral diabetes medication. It's approved for people 10 years of age and older with Type 2 diabetes. The medication belongs to the drug class called biguanides. It works best to lower blood sugar levels with a diabetes-friendly diet and exercise plan. Immediate-release metformin comes as a tablet and an oral solution. You take this medication by mouth usually two to three times a day. It's recommended to take each dosage with food to help lessen side effects like diarrhea and nausea.

  • Indications of Janumet vs. Metformin

    Indications for
    •Type 2 diabetes
    Indications for
    •Type 2 diabetes in people ages 10 years and older

  • Pros and Cons of Janumet vs. Metformin

    Pros and Const for DPP-4 inhibitor / Biguanide
    Pros
    •Combines the effects of two diabetes medications into one tablet
    •Less likely to cause weight gain and low blood sugar compared to other diabetes medications
    •Can lower A1C by up to 2% in 6 months
    Cons
    •Must take twice a day with meals
    •Only available as a fixed dose, so can be hard to make dose adjustments
    •Not a good option for people with severe kidney problems
    •Not approved for people with Type 1 diabetes
    Pros and Const for Biguanide
    Pros
    •One of the first-choice options for Type 2 diabetes
    •Works well at lowering blood sugar levels (can lower your A1C by up to 1.5% in a few months)
    •Unlikely to cause weight gain
    •Available as a liquid for people who have trouble swallowing tablets
    Cons
    •Typically need to take a couple times per day
    •Can cause stomach upset, including diarrhea, nausea, gas, and stomach cramping
    •Not a good choice for people with severe kidney problems
    •Not recommended for people with liver problems

  • Common Side Effects of Janumet vs. Metformin

    Common Side Effects for
    •Diarrhea (8%)
    •Upper respiratory tract infection (6%)
    •Headache (6%)
    Common Side Effects for
    •Diarrhea (53%)
    •Nausea or vomiting (26%)
    •Gas (12%)
    •Weakness (9%)

  • Warnings of Janumet vs. Metformin

    Common Side Effects for
    •Lactic acidosis
    •Inflammation of the pancreas (pancreatitis)
    •Risk of heart failure
    •Sudden kidney problems
    •Low vitamin B12 levels
    •Low blood sugar (hypoglycemia) when taken with certain diabetes medications
    •Joint pain
    •Severe skin reaction
    •Serious allergic reactions
    Common Side Effects for
    •Lactic acidosis
    •Low vitamin B12 levels
    •Low blood sugar (hypoglycemia) when taken with certain other diabetes medications

  • Prices with our coupons for Janumet vs. Metformin

    Learn more about Janumet
    Learn more about Metformin

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