A case of Haemophilus parainfluenzae meningitis in an adult associated with acute myositis.

Case report A 65-year-old woman presented with a 48-hr history of rigors and generalized muscle pain and weakness. She had had no serious illness in the past and had been on no drugs before admission. She had no history of upper respiratory tract infection or bronchitis. On examination, her temperature was 38 50C; pulse was regular 90/min; BP, 100/70 mmHg. The heart sounds were normal and the chest clear. There were no signs of endocarditis. Fundoscopy was normal and although initially there was no meningism, 12 hr after admission she was complaining of headache and had developed a stiff neck in the absence of any focal neurological signs.