The daily educational pearl – Cinchonism

Cinchonism

= toxidrome caused by quinine or cinchona bark overdose

Signs and symptoms:

tinnitus, impaired hearing

blurred vision

headache

vertigo

skin rash

nausea & vomiting

 

Severe cases:

reversible deafness

blindness which can be irreversible

arrhythmias

hypotension

hypoglycaemia

death