What causes pains on my lower abdorminal?

Some possibilities..: Lower abdominal pains can be from the intestines (such as in diarrhea due to bad food), from the uterus (such as in menstrual cramps), from the bladder (such as in an infection), etc... Other possible causes include appendicitis, diverticulitis, ovarian problems, or nerve pain. If symptoms are of stomach flu, they may resolve without meds. Otherwise, Doctor can check for pregnancy, infection, etc.