Diphenhydramine是第一代具有抗胆碱能作用的H1 受体拮抗剂，它能透过血脑屏障。

Diphenhydramine, a first-generation antihistamine possessing antiemetic, antitussive, anticholinergic, and sedative properties, is mainly used in the treatment of allergies. Diphenhydramine is also used in the management of drug-induced parkinsonism and other extrapyramidal symptoms.

58-73-1

C17H21NO

255.35

苯海拉明;PM255;PM 255;PM-255;Dabylen;Syntedril;Debendrin

H2O:Insoluble
H2O:Insoluble
DMSO:55 mg/ml (215.39 mM)
Powder: -20°C for 3 years
In solvent: -80°C for 2 years