That's due to uraemia, a sequel of Bright's disease.
"Leonora" by Arnold Bennett
In uraemia there is a diminution of chlorides, and an increase of phosphates and sulphates.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
Eclampsia is a very grave complication of pregnancy, and it was formerly supposed to be uraemia.
"Essays In Pastoral Medicine" by Austin ÓMalley
The symptoms of apoplexy, epilepsy, and uraemia bear a resemblance to those caused by some of the poisons of the neurotic class.
"Memoranda on Poisons" by Thomas Hawkes Tanner