“…Among the retrieved studies, 21 publications provided data on associated complications (Supplementary Table 1). [14][15][16][17][18][20][21][22][23][24]26,28,30,[32][33][34][35][36][37][38]41 PHN (10.2%-54.7%) 14,41 and secondary bacterial infections (3.5%-21.0%) 28,36 were the most frequently reported complications. Other complications included scarring (including keloids), 14,20,24,28,34,36 paresthesia with motor involvement, 14,15,20,30 sensory and hearing loss, 16,32,34,35,37,41 Ramsay Hunt syndrome, 26,30 and pigmentary changes.…”