The reason why pectin bismuth capsules must be stopped for seven days is that the drug composition of pectin bismuth capsules is mainly pectin, and bismuth elements, if a large amount of pectin bismuth capsules for a long period of time, it is very likely that bismuth toxicity will occur, so you can not take pectin bismuth for a long period of time. Bismuth poisoning can be manifested as the skin turns black-brown, some patients are accompanied by nausea, vomiting, salivation (drooling), tongue and throat pain, abdominal pain, and other phenomena, and need to consult a doctor in time. Gastrointestinal symptoms such as nausea and constipation may occasionally occur with bismuth pectin. The drug is contraindicated in pregnant and lactating women, while colloidal bismuth pectin capsules are prohibited to be taken with milk. It is recommended to take colloidal bismuth pectin capsules orally according to the doctor’s advice, and if poisoning occurs, it is recommended to go to the hospital in time and follow the doctor’s advice.