Renal hypertension: an unusual cause for a common problem.

A 9-year-old girl with longstanding headaches presented acutely with rash, which disappeared quickly on treatment with oral phenoxymethylpenicillin. It was attributed to streptococcal infection as group A streptococcus was isolated from throat swab. She was incidentally found to have high blood pressure on routine screening on admission. Subsequently, 'fibromuscular dysplasia' was confirmed on renal angiogram, which showed a characteristic beaded appearance. It is a good clinical practice to check blood pressure in any child seen for whatever reason.