Dialysis disequilibrium occurs due to:

Complications of hemodialysis Dialysis disequilibrium syndrome Dialysis disequilibrium causes fluid shift in brain (Cerebral oedema, seizures) Symptoms- headache, nausea, emesis, vision, muscular twitching, disorientation, hypeension, tremors, and seizures. The condition tends to be self-limited and subside over several hours. Dialysis disequilibrium syndrome is attributed reverse urea effect.