Phenol in oil is injected into the tissues at the base of the haemorrhoids. This causes a fibrotic (scarring) reaction which obliterates the blood vessels going to the haemorrhoids. The haemorrhoids then ‘die’ and drop off similar to after banding. However, this procedure is less widely used than banding because the success rate is not as good.
Various methods that use heat to ‘destroy’ the haemorrhoids
There are various ways this can be done and include: infrared coagulation; photocoagulation; diathermy; electrotherapy. However, these procedures are less widely used than banding because their success rate is not as good.
