it causes the blood to drain away. It is well known that the body cannot survive except through blood, for the body’s origin is a blood clot; thus, it can subsist only by it. Therefore, when the nosebleed persists, the illness is considered life-threatening.

His statement, “and the onset of paralysis”: paralysis is the numbness of the body, and it has various forms. In later terminology, it is called “a clot” or “paralysis.” Its onset, however, is dangerous, because this numbness may rapidly spread through the body and kill the person. If it is in its final stage, on the other hand, it is not [considered life-threatening], unless it confines him to his bed, as will follow.

His statement, “and the final stage of tuberculosis”: tuberculosis becomes dangerous in its final stage, because in its early stage the patient may recover through a dietary regimen or minor treatment. Its final stage, however, is dangerous, so it is a life-threatening illness. Yet it is among the illnesses for which Allah has made treatment readily available to people; consequently, in our time it is no longer considered life-threatening.

His statement, “and continuous fever”: that is, a persistent fever.

His statement, “and quartan fever”: this is a fever that recurs on the fourth day; every fourth day, the fever comes upon him. Fever is bodily heat, as is well known. The Prophet ﷺ informed us that fever is from the intense heat of Hell, and that it is cooled with cold water (1). This simple and easy treatment has been known from the words of the Messenger ﷺ for more than fourteen centuries, and physicians today return to it, prescribing this remedy for those afflicted with fever, to the extent that they place some