[Non-fatal systemic reactions caused by immunotherapy and skin tests].

Objective: The frequency and severity of systemic reaction (SR) from skin test (ST) and specific immunotherapy (SIT) in Mexico, have not been published before. In order to know that frequency and severity, a prospective study was performed in the Allergy Clinic at General Hospital of Matamoros from August, 1991 to July, 1996. SR from ST and SIT were monitored.