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Hypertrichosis as a side effect of inhaled steroids in children.

Pediatric pulmonology (2007-03-14)
T W de Vries, J J de Langen-Wouterse, L T W de Jong-Van den Berg, E J Duiverman
ABSTRACT

Three spontaneous reports of patients in whom a relationship between hypertrichosis and inhaled corticosteroids (ICS) was suspected, were reported to Lareb, The Netherlands Pharmacovigilance Center. We sought evidence for and against a causal relationship between hypertrichosis and ICS in children. The relationship between hypertrichosis and ICS was studied mathematically by assessing the Reporting Odds Ratio (ROR) and by determining the Naranjo Score (NS). We also studied the reports sent to the Pharmacovigilance Database of the Uppsala Monitoring Centre (UMC) of the WHO and reviewed the literature. In the Dutch children, the ROR between hypertrichosis and ICS was 14.6 (95%CI 3.6-59.5), the NS was 4. In the database of the UMC 20 more reports on hypertrichosis and ICS were found, contributing to the results of the Dutch database. Taken together, 11 boys and 12 girls were involved with a mean age of 7 years (range 1-17). The time between the start of ICS and the occurrence of hypertrichosis varied between 1 month and 3 years. Besides the hypertrichosis, growth retardation was found in 5 children and adrenal suppression in 12. In 12 children the outcome after cessation was reported: in 6 children the hypertrichosis improved, whilst in 6 it did not. We found sufficient evidence to support the suspicion that hypertrichosis might be a true adverse effect of ICS. We found no simple dose-effect relationship but obviously there is an individual susceptibility. After cessation of ICS the exaggerated hair growth will not disappear in all children. Hypertrichosis may be a useful clinical pointer to exogenous steroid excess.

MATERIALS
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Brand
Product Description

Sigma-Aldrich
Flunisolide, ≥97%