1. Female patients during pregnancy, 2. Patients with known allergy to chloroquine, 3. Patients with haematological diseases, 4. Patients with chronic liver or kidney diseases at the end stage, 5. Patients with arrhythmia and chronic heart disease, 6. Patients with retinal disease, hearing deficiency or hearing loss, 7. Patients with psychiatric diseases, 8. Patients taking digitalis due to underlying diseases.

1. Female patients during pregnancy, 2. Patients with known allergy to chloroquine, 3. Patients with haematological diseases, 4. Patients with chronic liver or kidney diseases at the end stage, 5. Patients with arrhythmia and chronic heart disease, 6. Patients with retinal disease, hearing deficiency or hearing loss, 7. Patients with psychiatric diseases, 8. Patients taking digitalis due to underlying diseases.