You can drink fish soup for diarrhea, but in moderation; at the same time, you should actively treat it to avoid dehydration. Fish soup is rich in nutrients, belongs to the high protein, low fat food, diarrhea can also drink some fish soup, the body can replenish nutrients and water. However, it should be noted that the fish soup can not be made too greasy, can not drink too much, so as not to aggravate the burden on the gastrointestinal tract, resulting in diarrhea symptoms worsened. Diarrhea can be given antidiarrheal drugs as appropriate, such as montelukast, difenocoumarol; there are bacterial infections can be used as appropriate, such as levofloxacin, norfloxacin and other antibacterial drugs. The medication should be used under the guidance of a doctor according to the condition, to avoid private abuse of drugs. If the symptoms of diarrhea are more serious and accompanied by severe nausea, vomiting, dehydration and other symptoms, you should seek medical advice and treatment in a timely manner.