Question: how long before tegretol is out of your system?
Answer: Initial half-life values range from 25-65 hours, decreasing to 12-17 hours on repeated doses. Tegretol is metabolized in the liver. If you had been taking Tegretol for a while then the expected time for Tegretol to clear from your system would be approximately 93.5 hours (5.5 x 17 hours).