Trileptal is the branded anti-epileptic drug produced by using the active pharmaceutical ingredient called Oxcarbazepine by Novartis. Like any other medication, this drug too may cause some mild to sever side effects. The common most side effects reported by using this medication include: lightheadedness, drowsiness, double or abnormal vision, fatigue or weakness, nausea, vomiting, in-coordination, abdominal pain, tremor or shiver, indigestion and abnormal gait one or all typically mild top moderate in severity both in adults and children. The side effects in children exceptionally reported certain infections and infestations especially noticed more in children below 4 years of age.

Also it is worth remembering that consumption of alcohol may enhance drowsiness so it should be avoided during this therapy. Also a condition known as hyponatremia which means low sodium levels may be observed in some patients under treatment of this medication. Even Anaphylaxis and angioedema may be reported in some patients taking this drug and their condition may often become life threatening also. Anaphylaxis may be severe and abrupt and its symptoms may include difficulty breathing, chest tightness, fainting, and giddiness besides other allergic symptoms that involve entire body also.

While the condition of angioedema could be characterized by swelling of the face, eyes, lips or tongue and difficulty swallowing or breathing. In case of such reaction is noticed in the patient then he should discontinue taking medication and rush to the doctor for immediate medical assistance. When this drug is used with birth control pills, it minimizes the effect of birth control pills hence both the medications should not be taken without consulting the physician.