urticariogenic

adjective
ur·​ti·​car·​io·​gen·​ic | \ ˌərt-ə-ˌkar-ē-ə-ˈjen-ik How to pronounce urticariogenic (audio) \

Medical Definition of urticariogenic

: being an agent or substance that induces or predisposes to urticarial lesions (as wheals on the skin)