Table 2. Pharmacologic activity of baclofen, carbamazepine, and phenytoin
Agent Anticonvulsant Muscle relaxant Sedative Anesthetic Analgesic

Baclofen (Lioresal) + +++ ++ - -

Carbamazepine (Tegretol) ++ ++ ++ - +

Phenytoin (Dilantin) +++ + + - -

Ratings indicate degree of activity, from none (-) to strong (+++).