I had meant to respond with a list of herbs and foods that deal with various gastrointestinal problems. In your case, aloe vera would be just about the most perfect treatment. I do not know where you live, but here in the Southwestern USA, aloe vera is a common garden plant. You can often purchase it at nurseries and health food stores, or it might just grow in your garden.
How aloe vera is used is rather simple. You could keep a plant in your bathroom for convenience. With a sharp knife you slice off an outer leaf, and cut the barbs off the sides, then slice it in half its full length and parallel to its greater surface. Then slice off a few inches, then rub the gewy exposed surface, which will resemble the inside of a cucumber, on the fissure.
If you apply aloe vera to any open wound several times a day, then you will find the wound will heal rapidly. You can keep the unused portion of the plant in a plastic bag in the refrigerator.
If you are going to use aloe vera for an extended period, then you may wish to purchase several plants. If you live in a warm place, then you can grow it in full sunlight. If you live in a cold place, then you can grow it in a sunny window inside during the cold part of the year, and take it outside for the warm season.
In a warm, sunny and dry region, then you will wish to water your newly planted aloe very for the first year, then water it monthly only during the dry season after that.