I have bad diarrhea, and when i go my anus burns. it's all liquid, and it keeps coming in "waves" every 15 sec or so- probably about six times total. i've been sick a week now, but i've only felt sick occasionally during the day or when i first wake up. i

Painus in the anus!: Such burning is due to the alkalinity of the intestinal contents damaging the anal canal and perianal "skin" or anoderm. Put Calmoseptine on the area before and after BMs. Clean the anal area with dry paper then with tap water before applying the medicine. You also need to seek medical attention if the diarrhea persists over one week. It could be an infection or worse, colitis or Crohns diseas