Compare Lantus vs. Janumet
Head-to-head comparisons of medication uses, side effects, ratings, and more.
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
Lowers your blood sugar.
Janumet is a combination of two anti-diabetic medicines that work better together, but is available as brand only.
●●●●●
3.4/ 5 average rating with 79 reviewsforJanumet
Upsides
- 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.
- This 2-in-1 combination can lower the number of pills you have to take daily.
- Lowers A1c (average blood sugar over time) up to 2.5%.
- Available in extended and immediate release forms to allow better control of your blood sugar.
- Doesn't increase your appetite unlike other anti-diabetic medicines.
- Does not cause hypoglycemia or very low blood sugar.
Downsides
- 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.
- Available as brand name only and may be expensive.
- Metformin component usually causes upset stomach.
- Sitagliptin component may increase your risk for throat infections and inflammation of pancreas.
- Not appropriate for those with poor kidney function.
Used for
Dosage forms
- Injection
- Pill
- Extended release
Price
Lowest price
$324.05
Find instant savings near youLowest price
$490.99
Find instant savings near youWant to save even more money?
Sign up now for a 30-day trial and save up to 95% at CVS, Kroger, Albertsons, and other pharmacies.
Learn more
Reviews
584 reviews so far
67%
saidit'sworth it
51%
saiditworked well
14%
saidit'sa big hassle
Have you used Lantus (insulin glargine)?
Leave a review79 reviews so far
46%
saidit'sworth it
38%
saiditworked well
15%
saidit'sa big hassle
Have you used Janumet (sitagliptin / metformin)?
Leave a reviewSide effects
19possible side effects
- Upper respiratory tract infection28%
- Swelling in the limbs20%
- High blood pressure20%
- Flu19%
- Sinus infection19%
- Cataracts18%
- Inflammation of the airways15%
- Joint pain14%
- Pain in extremity13%
- Back pain13%
- Cough12%
- Urinary tract infection11%
- Diarrhea11%
- Depression11%
- Infection10%
- Headache10%
- Blood vessel disease7%
- Retinal vein disorder6%
- Injection site pain3%
5possible side effects
- Low blood sugar16%
- Diarrhea8%
- Upper respiratory tract infection6%
- Headache6%
- Abdominal pain2%
Risks and risk factors
- 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
- Excess lactic acid in the blood
- Kidney problems
- Liver problems
- Congestive heart failure
- Using contrast dye for procedures
- Surgery
- Alcohol use
- Low vitamin B12 levels
- Inflammation of the pancreas
- Serious allergic reactions