It is particularly difficult to maintain smooth phenylalanine control in subjects with severe enzyme deficiency, in whom even a minor feverish illness or fall in energy intake may lead to a rise in phenylalanine concentrations.

In 1991, several workers on Laysan came down with a feverish illness previously unknown there or anywhere else.

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

Pale and meager as a dying saint he grew, mortifying the flesh till he tottered with weakness; and a feverish illness devoured him visibly.

In a differential diagnosis, infections with yellow fever have to be distinguished from other feverish illnesses like malaria.

It is a mosquito-borne infection that can cause a feverish illness associated with headache, muscle aches and pains, and rash.

As Philip's natural strength gradually overcame the feverish illness, he sought every possible means to make himself indispensable to the landlord.

In fits of feverish illness, she hallucinates she is being attacked by venomous snakes, and she also vomits after church.

Struck by a feverish illness that has forced him to leave the war, Francesco lies on his bed tormented by visions of his past when he was a boisterous, arrogant youth.

In adults, infection is asymptomatic, which means that the patient is a carrier of the infection, but experiences no symptoms or only mild feverish illness.