Carbamazepine
Carbamazepine (Tegretol®) is an anticonvulsant and mood stabilizing drug, used primarily in the treatment of epilepsy and bipolar disorder; but also used to treat schizophrenia.
Side Effects
Carbamazepine renders birth-control pills ineffective. Common side effects include: drowsiness, loss of blood cells, loss of platelets, motor-coordination impairment, and/or upset stomach. Use of carbamazepine can result in blurry or doubled vision.