To the Editor: Eosinophilia commonly occurs secondary to parasitic infections, allergy,
collagen-vascular disease, hypersensitivity conditions, or underlying hematologic or solid malignancies.
Apart from rheumatic heart disease, the major causes of MR and AR are infective endocarditis,
collagen-vascular disease, cardiomyopathy, congenital heart disease and annular abnormalities (1).
Noninfectious causes of meningitis include malignancy
collagen-vascular disease, trauma, poisons/toxins, or even drugs like trimethoprim-sulfamethoxazole or carbamazepine, he said at the conference.