Criz, or lopinavir ritonavir tablets, are taken orally for prolonged diarrhea considering that it may be related to drug side effects and digestive disorders such as gastroenteritis, ulcerative colitis, and intestinal tumors. You can take oral antidiarrheal drugs, anti-infective drugs as well as surgical treatment. 1. Side effects: Its medicine is mainly used for the treatment of HIV infection mainly in adults and children over 6 months old, and the most common side effects are diarrhea, nausea, vomiting and so on. Diarrhea can be treated by taking Montelukast orally. Adverse reactions such as constipation may occur after oral administration. 2. Digestive diseases: (1) Gastroenteritis: this drug also has damage to the gastric mucosa, long-term oral intake will lead to gastroenteritis, in the case of inflammation stimulation, it will be diarrhea. Norfloxacin capsules can be taken orally for anti-infective treatment, for this product allergy is prohibited. (2) ulcerative colitis: inflammation will lead to intestinal mucosa destruction, resulting in ulcerated surfaces, leading to abnormal intestinal function, the symptoms of long-term diarrhea. It can be treated with oral mesalazine, which may cause adverse reactions such as nausea, vomiting and headache after oral administration. (3) Intestinal tumor: Due to the stimulation of tumor, it can also lead to long-term diarrhea. Surgery is usually required. All the above drugs should be applied under the guidance of a doctor. If the above symptoms occur, it is recommended to go to the hospital for early and regular treatment under the guidance of a doctor.