FLARE Diagnostics created and developed the worlds first imaging device to help resolve wheal reactions associated with allergen skin prick and intradermal testing. The image displayed here shows skin prick testing using positive control histamine solution (Pos) and saline negative control (Neg). The image was taken fifteen minutes after skin prick placement in an African American patient. The well delineated wheal responses are the key component to allow image processing software to easily calculate maximum diameter and total area.