Weis O, Sriwatanakul K, Weintraub M
S Afr Med J. 1982 Aug 21;62(9):274-5.
A fixed-ratio combination of amitriptyline and perphenazine was successful in treating 8 of 9 patients suffering from post-herpetic neuralgia. Side-effects were minimal. Summaries of 4 case histories are presented. In addition, 3 patients suffering from severe acute herpetic pain were successfully treated with the same drug combination.