A few common side effects of Tegretol® (carbamazepine) include dizziness, drowsiness, and nausea. Rare side effects include hair loss, dry mouth, and headaches. In most cases, these side effects are minor and easily treated. However, there are also a number of more serious Tegretol side effects that you should report to your healthcare provider right away, including signs of an allergic reaction, hallucinations, and difficulty passing urine.
(Click Tegretol Side Effects for more information about common and rare side effects of the drug, as well as which ones may need immediate medical attention.)