Diarrhea and fever can be treated with Flavoxate, Levofloxacin and Mesalazine. Most of them are caused by bacterial infections in the intestines, and therefore need to be treated with antibiotic drugs. Flavopiridol can resist microorganisms in the intestinal tract and has an antipathogenic effect, especially for E. coli and dysentery bacillus, which has a good therapeutic effect. It not only reduces diarrhea, but also helps to reduce fever. Levofloxacin belongs to the common antibiotic class of drugs, has a broad-spectrum antibacterial effect, patients with bacterial diarrhea can reduce symptoms and shorten the duration of the disease after use. Some people diarrhea, fever is due to ulcerative colitis, need to use mesalazine treatment, which has a significant inhibition of intestinal inflammation, but also inhibit the synthesis of prostaglandins, so in the improvement of diarrhea at the same time, but also to reduce abdominal pain.