“…7 The aim of the treatment is to reduce the hypertonia with a decrease in pressure in the anal canal and to improve local vascularisation, breaking the vicious circle of anal pain, spasming of the sphincter, and ischaemia, allowing healing and recovery from the fissure. 8,9 Treatment has undergone significant developments in recent years, and there are various treatment options listed in the bibliography, such as hygiene and dietary recommendations, surgical, and pharmacological treatment. 10,11 Efectividad y seguridad de diltiazem 2% tópico en sura anal Resumen Objetivo: Evaluar la efectividad y la seguridad de la pomada de diltiazem al 2% en el tratamiento de la sura anal.…”