fever, plague etc.
[books.google.ro]
Vomiting, diarrhea, abdominal cramps, dizziness, eye pain, blurred vision, confusion, numbness, twitching, paralysis, death.
[pbs.org]
During an acute poisoning incident, the enzyme is suppressed and nerve impulses fire uncontrollably, resulting in symptoms such as muscle spasms, confusion, dizziness, loss
[projecttendr.com]