Hello, since when is he suffering from anal fissure? Is he on any medications? Have you got his BP and
sugar checked in the recent past?
Next Steps
Fever since how many days? Does he eat well n sleep well too. Increase his intake of water. Is he losing a lot of blood due to the fissure?
Health Tips
Let him consume diet with more of fibre in it. Please do consult here for further details.