Compare Prandin vs. Lantus

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

Prandin (repaglinide)

Prescription only

Lantus (insulin glargine)

Prescription only
Lowers blood sugar.

Prandin (repaglinide) works quickly to lower blood sugar, especially during mealtimes. However, it can cause hypoglycemia (low blood sugar) if you are not consistent with your diet and exercise schedule.

Lowers blood sugar.

Lantus (insulin glargine) is an effective, long-acting insulin that provides all-day blood sugar control, but it can cause low blood sugar levels, so be sure to have a source of sugar nearby.

3.7/ 5 average rating with 584 reviewsforLantus
Upsides
  • Quickly and effectively lowers blood sugar during meal times.
  • Less likely to cause hypoglycemia (low blood sugar) than Starlix (nateglinide).
  • Good first-choice if you cannot tolerate metformin or add-on therapy if your blood sugars are not controlled on metformin alone.
  • Insulin is one of the most effective blood sugar-lowering medication and can lower your A1c (average blood sugar over time) by up to 2-3%.
  • Lantus (insulin glargine) is a long-lasting insulin that provides consistent, all-day sugar control with just once or twice daily dosing.
  • Dose can be easily adjusted to make a customized regimen that's tailored to your body's needs.
  • Lantus (insulin glargine) can be used with liver or kidney problems.
Downsides
  • May cause some weight gain.
  • May cause hypoglycemia (low blood sugar).
  • Can frequently interfere with how other medicines work.
  • Not a good choice if you have poor kidney function, liver problems, or younger than 18 years old.
  • You have to take insulin by injection.
  • You have to check your blood sugar regularly to assure your medications are working.
  • You may gain some weight, around 4-6 pounds.
  • You have to maintain a consistent schedule to avoid low blood sugar episodes. Dramatic changes in weight or meal patterns will require dose adjustments.
Used for
Dosage forms
  • Pill
  • Injection
Price
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Reviews
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584 reviews so far
67%
saidit'sworth it
51%
saiditworked well
14%
saidit'sa big hassle

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Side effects
20possible side effects
  • Low blood sugar
    31%
  • Headache
    11%
  • Sinusitis
    6%
  • Joint pain
    6%
  • Nausea
    5%
  • Diarrhea
    5%
  • Back pain
    5%
  • Swelling in arms and legs
    5%
  • Heart failure
    4%
  • Rhinitis
    3%
  • Constipation
    3%
  • Vomiting
    3%
  • Tingling, numbness, or burning sensation on the skin
    3%
  • Chest pain
    3%
  • Weight gain
    3%
  • Inflammation of the airways
    2%
  • Indigestion
    2%
  • Urinary tract infection
    2%
  • Tooth disorder
    2%
  • Allergy
    2%
See more detailed side effects
19possible side effects
  • Upper respiratory tract infection
    28%
  • Swelling in the limbs
    20%
  • High blood pressure
    20%
  • Flu
    19%
  • Sinus infection
    19%
  • Cataracts
    18%
  • Inflammation of the airways
    15%
  • Joint pain
    14%
  • Pain in extremity
    13%
  • Back pain
    13%
  • Cough
    12%
  • Urinary tract infection
    11%
  • Diarrhea
    11%
  • Depression
    11%
  • Infection
    10%
  • Headache
    10%
  • Blood vessel disease
    7%
  • Retinal vein disorder
    6%
  • Injection site pain
    3%
See more detailed side effects
Risks and risk factors
  • Low blood sugar (hypoglycemia)
    • Alcoholism
    • Changes in meal pattern
    • Changes in exercise
    • Insulin
    • Other antidiabetic medications
    • Elderly
    • Bad liver or kidney function
  • Heart damage
    • use with NPH-insulin
See more detailed risks and warnings
  • Life-threatening low blood sugar (Hypoglycemia)
    • Insulin dose too high
    • Use of other blood sugar lowering medicines
    • Poor injection techniques
  • Complications due to low potassium
    • Use of other medicine that lower potassium
    • Current electrolyte imbalance
  • Severe allergic reactions
    • Allergy to insulin
See more detailed risks and warnings