Metformin is used alone or with other medications, including insulin, to treat type 2 diabetes (condition in which the body does not use insulin normally and, therefore, cannot control the amount of sugar in the blood). Metformin is in a class of drugs called biguanides.
What else does metformin help with?
Metformin is most commonly used to treat type 2 diabetes, either alone or combined with other agents, but is also used off-label as a treatment for prediabetes, gestational diabetes and PCOS.
Why do doctors prescribe metformin?
Metformin is an oral medication that helps manage the effects of type 2 diabetes. In people with prediabetes, the drug can also help prevent or delay the onset of the condition. Doctors prescribe metformin to nearly 120 million people worldwide.
Can I take metformin if I don’t have diabetes?
In fact, your doctor might prescribe metformin for weight loss even if you don’t have diabetes or prediabetes. This use of metformin is called an off-label use. That means that the FDA has not approved metformin as a weight-loss aid.
Is metformin bad for kidneys?
Metformin does not cause kidney damage. The kidneys process and clear the drug out of your system via urine. If your kidneys are not functioning properly, metformin can build up in your system and cause a condition called lactic acidosis.
What are the bad side effects of metformin?
Nausea, vomiting, stomach upset, diarrhea, weakness, or a metallic taste in the mouth may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. If stomach symptoms return later (after taking the same dose for several days or weeks), tell your doctor right away.
What happens when you take metformin and eat sugar?
There are no foods that are off-limits with metformin. However, you should be eating a healthy diet to help control your diabetes. When you eat sugar and metformin, your body will have to work harder to lower your blood sugars.
Who should not use metformin?
Your doctor will probably tell you not to take metformin. Also, tell your doctor if you are over 65 years old and if you have ever had a heart attack; stroke; diabetic ketoacidosis (blood sugar that is high enough to cause severe symptoms and requires emergency medical treatment); a coma; or heart or liver disease.
Is metformin bad for your liver?
Conclusion: Metformin does not appear to cause or exacerbate liver injury and, indeed, is often beneficial in patients with nonalcoholic fatty liver disease. Nonalcoholic fatty liver frequently presents with transaminase elevations but should not be considered a contraindication to metformin use.
How do you know if metformin is working?
Metformin does not instantly reduce blood sugar levels. The effects are usually noticeable within 48 hours of taking the medication, and the most significant effects take 4–5 days to occur. However, the timing depends on the person’s dosage.
Does metformin reduce belly fat?
Conclusions: Metformin has no clinically significant effect in reducing visceral fat mass, although it does have a beneficial effect on lipids. This trial lends support to the growing evidence that metformin is not a weight loss drug.
Does metformin make you sleepy?
As already discussed, metformin can result in sleep disturbance, and this might affect normal dream patterns. Nightmares are reported in patients receiving metformin.  However, they are less frequent than insomnia.
What should you not eat when taking metformin?
Include carbohydrates that come from vegetables, fruits, and whole grains. Be sure to monitor your carbohydrate intake, as this will directly affect your blood sugar. Avoid food that’s high in saturated and trans fats. Instead, consume fats from fish, nuts, and olive oil.
Can metformin raise your blood pressure?
Metformin had no significant effect on ambulatory blood pressure. Thus, metformin has, if any, only a minor clinically insignificant effect on blood pressure in nondiabetic hypertensives. The study does not support the hypothesis that circulating insulin is a major regulator of blood pressure in hypertension.
Can metformin cause memory loss?
Metformin Use Is Associated With Slowed Cognitive Decline and Reduced Incident Dementia in Older Adults With Type 2 Diabetes: The Sydney Memory and Ageing Study.