The symptoms of low fever and diarrhea may be related to intestinal bacterial or viral infections. If diarrhea is accompanied by pain in the stomach or abdomen and fever, it may be acute gastroenteritis, which may be related to improper diet or unhygienic diet. If diarrhea with low-grade fever occurs frequently in autumn, it may be related to rotavirus infection. If you have dizziness, headache, sneezing and other symptoms, it may be a gastrointestinal cold, and you can take medicines such as patchouli and norfloxacin.