Pioglitazone is a medication used to treat type 2 diabetes. It belongs to a class of drugs called thiazolidinediones, which help improve insulin sensitivity in the body. By making the body's cells more responsive to insulin, pioglitazone helps lower blood sugar levels. This medication is usually prescribed alongside diet and exercise to manage diabetes effectively. It may also have benefits for heart health, but it can come with side effects, including weight gain and an increased risk of heart failure. Regular monitoring by a healthcare provider is essential while using pioglitazone.