Compare Precose vs. Lantus

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

Precose
(acarbose)

Lantus
(insulin glargine)

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 blood sugar. Lantus (Insulin Glargine) is a long-acting insulin that provides all-day sugar control. It can cause low blood sugar, so make sure you know what the symptoms are and always have a source of sugar nearby.
Reviews & ratings
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Have you used Precose (acarbose)?
Worth itNot sureNot worth it
Reviews for Lantus
67%
+33% better vs. Precose
51%
+49% better vs. Precose
14%
+14% better vs. Precose
584 reviews
Have you used Lantus (insulin glargine)?
Worth itNot sureNot worth it
Side effects
PrecoseLantus
  • Excessive gas 46%
  • Diarrhea 19%
  • Stomach pain 10%
More Precose side effects »
  • Ear, nose, or throat infection 22%
  • Infection 9%
  • Accidental injury 6%
  • Headache 6%
  • Ankle and leg swelling 20%
  • High blood pressure 20%
  • Sinus inflammation 19%
  • Flu 19%
  • Clouded eye lens 18%
  • Bronchitis 15%
More Lantus side effects »
How it works
PrecoseLantus
Precose (acarbose) stops an enzyme in your body from turning carbohydrates into sugar for energy. As a result, your body will absorb less sugar from the foods that you eat which will lead to lower blood sugar levels.Lantus (Insulin Glargine) is a long-acting insulin medicine for diabetes. It acts like the insulin that your body normally makes to process sugars and fats, and it keeps your blood sugar stable throughout the day.
Type of medication
PrecoseLantus
Prescription onlyPrescription only
Available as
PrecoseLantus
  • Pill
  • Injection
Used for
PrecoseLantus
Risk factors for serious side effects
PrecoseLantus
  • Using insulin or other medicines that stimulate insulin release
  • Those with kidney problems
  • Taking multiple medicines together
Detailed Precose (acarbose) risks & warnings »
  • Insulin dose too high
  • Use of other blood sugar lowering medicines
  • Poor injection techniques
  • Unstable kidney functions
  • Unstable liver functions
Detailed Lantus (insulin glargine) risks & warnings »
Pregnancy

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Interactions
PrecoseLantus
  • Has relatively few interactions with other medicines.
No interactions related info.
Kidneys and liver
PrecoseLantus
  • Precose (acarbose) is not a recommended treatment option if you have bad kidney function or kidney problems. Your doctor will have you do a blood test to decide if this is the right medicine for you.
  • Okay to use even if you have liver or kidney problems, unlike most other blood sugar-lowering medicines.
Pain
PrecoseLantus
  • Causes side effects usually during the first few weeks of treatment including stomach pain, excessive gas, and diarrhea that will become less bothersome with time.
No pain related info.
Weight
PrecoseLantus
  • Precose (acarbose) helps control meal-time blood sugar levels without causing weight gain.
  • Can cause weight gain and low blood sugar.
  • Likely to cause moderate weight gain (around 4 to 6 pounds).
Upsides and benefits
PrecoseLantus
  • 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.
  • Insulin is the most effective blood sugar-lowering medicine. When used correctly, it'll lower blood sugar every time you use it and prevent the harmful effects of high sugar levels on your organs and blood vessels.
  • Lantus is a long-lasting insulin that provides consistent, all-day sugar control with less risk of low blood sugar.
  • Dose can be easily adjusted to make a customized regimen that's tailored to your body.
  • Starting insulin early in the treatment of Type 2 diabetes can maintain your body's insulin-producing cells and slow down disease progression.
  • Okay to use even if you have liver or kidney problems, unlike most other blood sugar-lowering medicines.
Downsides and risks
PrecoseLantus
  • 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.
  • You have to take insulin by injection.
  • You have to check your blood sugar every day.
  • Likely to cause moderate weight gain (around 4 to 6 pounds).
  • Higher risk of low blood sugar episodes than other kinds of diabetes medicines.
Tips from our pharmacists for people taking the medication
PrecoseLantus
  • Take Precose (acarbose) with the first bite of each main meal.
  • Don't take the medicine for the times you have skipped a meal.
  • Causes side effects usually during the first few weeks of treatment including stomach pain, excessive gas, and diarrhea that will become less bothersome with time.
  • You should continue to maintain a healthy diet, exercise regularly, and monitor your blood sugar levels while taking Precose (acarbose).
  • Your doctor will work with you to increase your dose gradually.
  • Carry glucose tablets with you at all times so that you can take them when your blood sugar drops to dangerously low levels. This is more likely to happen if you are also using insulin or a medicine that stimulates insulin release.
  • Long-acting insulin good for baseline blood sugar control.
  • Works in 1 hour and lasts about 24 hours.
  • Can cause weight gain and low blood sugar.
  • Make sure you and your family know the symptoms of low blood sugar: sweating, shakiness, weakness, fast heartbeat, nervousness, headache, blurry vision, trouble thinking clearly, or passing out.
  • Always have a good source of sugar nearby for low blood sugar episodes.
  • Take it at the same time every day.
  • Make sure you understand how to give yourself the injections.
  • Don't shake the vial or mix with another insulin. Store unopened vials in the refrigerator. Opened vials are good at room temperature for 28 days.
  • Check your blood sugar levels every day.
Learn more
More about PrecoseSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Precose (acarbose)?
Worth itNot sureNot worth it
More about LantusSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Lantus (insulin glargine)?
Worth itNot sureNot worth it