Allergic asthma to peppermint essential oil: An under-known allergy?

Background: Peppermint (Mentha piperita) essential oil consists mainly of menthol (terpenes family). There have been a few reports of menthol-induced asthma, involving both IgE-mediated and non-IgE-mediated hypersensitivity. Herein we describe a case of IgE-mediated allergic asthma following ingesti...