These usually do not heal by themselves or with local medication, but one can try medicines such as Glyceryl Trinitrate. It aims to relax the internal sphincter and let the edges of fissure come together. It dilates the blood vessels and can cause headache in some people.
Injection of BOTOX A can help reduce the muscle spasm and thus aid healing.
Is the final answer when all other methods have failed?
It aims to relax the lower part of the internal sphincter by dividing the sphincter muscles (Lateral Sphincterotomy).