The common causes of fever and diarrhea in 3-month-old babies are acute upper respiratory tract infection, intestinal diseases, urinary tract infections and so on.
1. Acute upper respiratory tract infection: often infected by respiratory viruses, there will be flu-like symptoms, such as runny nose, headache, fever, etc., accompanied by gastrointestinal symptoms, manifested as abdominal pain, diarrhea and so on.
2. Intestinal diseases: infant gastrointestinal function is not yet well developed, external germs invade the intestinal tract can appear vomiting, diarrhea, etc., can be accompanied by fever, poor mental state.
3. Urinary tract infections: infants urinary tract infections when the systemic symptoms of toxicity is more serious than the local symptoms, may appear high fever, irritability, vomiting, abdominal pain, diarrhea, and so on.
3 months infant fever diarrhea, there may be other reasons, it is recommended that timely to the hospital for relevant examinations, clear cause of the disease after active symptomatic treatment.