Have kidney disease, including kidney failure (renal failure).
Have metabolic or diabetic ketoacidosis (a life-threatening condition that may occur with uncontrolled diabetes). This condition needs to be treated with insulin.
Are seriously dehydrated (have lost a lot of water from your body).
Are going to have an x-ray procedure with an injection of dyes (contrast agents).
Are going to have surgery.
Develop a serious condition, such as a heart attack, a severe infection, or a stroke.
Are 80 years old or older and you have not had your kidney function tested.
Precautions and Warnings With Glipizide and Metformin: A Summary
There are several situations in which glipizide and metformin should not be taken, along with a number of precautions and warnings people should be aware of before taking the drug. However, it is possible that not all precautions and warnings with glipizide and metformin were discussed in this article. Therefore, you should talk with your healthcare provider about the specific ones that may apply to you.