Image from Wikipedia A recent study was published describing a condition called " Local Allergic Rhinitis ." This condition is when a patient appears to have sino-nasal allergies, but yet, have negative allergy test results whether on skin prick or RAST . Up to 40% of patients with negative allergy test results may have this condition. In order to diagnose this condition, it requires the detection of local antigen specific IgE in nasal secretions during natural exposure to aer…