For best effects, take allergy drugs at bedtime and asthma drugs in the late afternoon, a National Jewish Medical Center为获得最佳效果，国立犹太医学中心过敏专科医师建议，在就寝前服用过敏药和在傍晚服用气喘药。
In vivo tests can lead to an anaphylactic reaction, and therefore should be only administered by a trained allergist in 体内试验可导致过敏反应的发生，因此只能在抢救设备完善的情况下由变态反应学家实施。