after baseline prick test with histamine phosphate 1:1000 by multitest ( lincoln diagnostics , decatur , ill. ) , the suppression of cutaneous histamine-induced wheal-and-flare responses were measured daily for 7 days in 33 healthy volunteers who were randomly administered a single 25 mg dose of oral desipramine or doxepin .
C0062740
histamine phosphate
C0019588
histamine