Before taking linagliptin,
tell your doctor and pharmacist if you are allergic to linagliptin, any other medications, or any of the ingredients in linagliptin tablets. Ask your pharmacist or check the manufacturer's patient information for a list of the ingredients.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Be sure to mention any of the following: carbamazepine (Tegretol); insulin; oral medications for diabetes such as acetohexamide, chlorpropamide (Diabinese), glimepiride (Amaryl, in Avandaryl), glipizide (Glucotrol, in Metaglip), glyburide (Diabeta, Glynase, Micronase, in Glucovance), nateglinide (Starlix), pioglitazone (Actos, in Actoplus Met, in Duetact), repaglinide (Prandin), rosiglitazone (Avandia, in Avandamet, in Avandaryl), tolazamide, and tolbutamide; phenytoin (Dilantin); phenobarbital; rifabutin (Mycobutin); rifampin (Rifadin, in Rifamate, in Rifater); and ritonavir (Norvir, in Kaletra). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor and pharmacist what herbal products you are taking or plan to take, especially St. John's wort.
tell your doctor if you have or have ever had pancreatitis (inflammation of your pancreas), gallstones (stones in your gallbladder), or high triglycerides (a fatty substance in the blood), or if you drink or have ever drunk large amounts of alcohol.
tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking linagliptin, call your doctor.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking linagliptin.
talk to your doctor about what you should do if you get hurt or if you develop a fever or infection. These conditions may affect your blood sugar and the amount of linagliptin you may need for treatment.