| Patients return to hospital deaf from cinchonism, ill with fever, and showing parasites in their peripheral blood. |
| I gave it as my opinion that the man was suffering from chronic cinchonism, or quinin poisoning. |
| Evidence of cinchonism, such as tinnitus, may occur occasionally in patients receiving 260-520 mg of quinine sulfate daily. |
| Some patients are hypersensitive to quinine and even small doses may give rise to cinchonism. |
| Mild cinchonism consists of ringing in the ears, headache, nausea and disturbed vision. |
