Compare metformin vs. Human Insulin
Head-to-head comparisons of medication uses, side effects, ratings, and more.
Glucophage (metformin) is the first choice medicine to control your blood sugar and lower the risk of death from diabetes, although a few people may not tolerate the stomach side effects.
This form of insulin is one of the few medications in its class that you can get without a prescription, but it's expensive.
- Improves sugar control and lowers A1c levels as much as 2%.
- One of the few diabetes medicines that lowers the risk of death from diabetes-related complications.
- Doesn't cause weight gain.
- Rarely causes low blood sugar.
- Some types of this medication are available without a prescription.
- Available as a shot to be injected into the fatty part of the skin, and as a powder to be inhaled through your nose.
- Available in different combinations so that you can do one shot or multiple shots a day.
- Often causes stomach upset, like diarrhea, nausea, gas, or stomach cramping.
- Usually not a good choice for people with kidney problems. Your doctor will tell you if Glucophage (metformin) is right for you to take.
- Excessive or chronic alcohol use can increase the risk of a dangerous side effect.
- Has to be taken exactly as directed or it can cause high or low blood sugar.
- As with all insulins, you have to work with your doctor closely to make sure you're giving yourself the correct dose, or you can have low or high blood sugar.
- Extended release pill
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- Stomach pain6%
- Excess lactic acid in the blood
- Kidney problems
- Liver problems
- Congestive heart failure
- Using contrast dye for procedures
- Alcohol use
- Low vitamin B12 levels
- Changes in blood sugar
- Changes in skin appearance
- Weight gain