PT - JOURNAL ARTICLE AU - B Perrin AU - J L Malo AU - A Cartier AU - S Evans AU - J Dolovich TI - Occupational asthma in a pharmaceutical worker exposed to hydralazine. AID - 10.1136/thx.45.12.980 DP - 1990 Dec 01 TA - Thorax PG - 980--981 VI - 45 IP - 12 4099 - http://thorax.bmj.com/content/45/12/980.short 4100 - http://thorax.bmj.com/content/45/12/980.full SO - Thorax1990 Dec 01; 45 AB - A pharmaceutical worker developed asthma when exposed to hydralazine, an antihypertensive drug. The diagnosis of occupational asthma was supported by specific inhalation challenges, which produced a late asthmatic reaction and an increase in bronchial responsiveness. No evidence of an IgE or an IgG dependent mechanism could be found.