quartan

Eleanor followed him at a leisurely pace as she was unwell with a feverish illness, probably the quartan reported in 1287.

By the time of Hippocrates several patterns of fever had been recognised: these included the tertian (every 48 hours) and quartan (every 72 hours) fevers caused by malaria.

Christian pilgrims always made sure to take a sample home with them, and then 'when anyone falls sick of a quartan or tertian ague or some such fever, they give him a little of this earth to drink.

As is he who hath the shivering fit of the quartan so near that his nails are already pallid, and he is all of a tremble only looking at the shade, such I became at these words uttered.

The Romans divided it into three kinds of ague: quartan (rigors occurring every four days), tertian (rigors occurring every three days) and a more malignant form wherein the rigors had no pattern.

Fuller Ballantyne had written a long paper for the British Medical Association, in which he recognized four distinct types of African fever, the recurrent fevers with a definite cycle, he divided into three categories, quotidian, tertian and quartan, by the length of the cycle.

Such as he is who has so near the ague Of quartan that his nails are blue already, And trembles all, but looking at the shade; Even such became I at those proffered words; But shame in me his menaces produced, Which maketh servant strong before good master.