Chapter on Tayammum and Its Rules

Through this chain of narration, from Muhammad ibn Ya’qub, from Ali ibn Ibrahim, from his father, from Ibn Abi Umayr, from Muhammad ibn Sukayn and others, from Abu Abdullah عليه السلام, who said: It was mentioned to Imam عليه السلام that a certain man, who had become junub and was afflicted with smallpox, was made to perform ghusl, and he died as a result. Imam عليه السلام said: "They killed him! Why did they not ask? Why did they not let him perform tayammum? The cure for ignorance is asking questions." It is also narrated regarding a person with fractures or severe illness that: Imam عليه السلام said: "He should perform tayammum and not perform ghusl."