One of the most important moves toward healing hemorrhoids is a change in diet. However, it's best to add fiber to your diet gradually. Too rapid an increase can cause gas, abdominal cramps, or diarrhea. As it is, you can expect some increase in intestinal gas at first, but this will subside in a week or two as your system and the bacteria that inhabit your colon adjust to your new diet.
Here are some foods that can increase the fiber content of your diet when eaten regularly:
Bran, unprocessed miller's