The postzosterian pain treatment: A comparison between amitriptyline and Di-antalvic

Prospective clinical trial on two groups of patients: one treated with amitryptyline and the other with diantalvic. Results: At the beginning of study, no difference in the severity of pain in both groups. Group 1 had more effective to control pain than group 2. After one week of treatment, group 1 had one case (3.3%) while group 2 had 15 cases (35.7%) didn’t have any improvement. Amitriptyline had more advantages that Diantalvic to treat the postzosterian pain