Tradjenta (Linagliptin) Side Effects, Before Taking, How to Take & More

3. Contraindications. Tradjenta cannot be used in case of diabetic ketoacidosis and allergy to linagliptin. Also you shouldn’t use the medicine if you have such conditions as triglycerides of high level, pancreatitis, alcoholism history, gallstones, and use other diabetes medications and/or experience insulin treatment.