Trileptal warnings. Before taking Trileptal, tell your doctor or pharmacist if you are allergic to it; or to carbamazepine; or to eslicarbazepine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Tell your doctor your medical history, including: kidney disease, decreased sodium blood levels (hyponatremia), recent seizures.This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.