Melting point: 168-172°C
Boiling point: 163-167°C(Press:3Torr)
Density: 1.0489(roughestimate)
Refractive index: 1.5800(estimate)
Flash point: 9℃
Storage conditions: 2-8°ChemicalbookC
Solubility: Verysolubleinwater freelysolubleinalcohol.
Characteristics: CrystallinePowderorAdheringCrystals color: White
Diphenhydramine hydrochloride is mainly used for: skin mucosa allergy, such as urticaria, angioneurotic edema, allergic rhinitis, skin pruritus, drug rash, insect bite and contact dermatitis is also effective Chemicalbook; The prevention and treatment of motion sickness has a strong antiemetic effect; Parkinson's disease and extrapyramidal symptoms; To sedate or hypnotize; Strengthen the action of antitussive medicine, suitable for the treatment of cold or allergy caused by cough.
Side effects of diphenhydramine hydrochloride common side effects:
1. Common are: central nervous inhibition, ataxia, nausea, vomiting, loss of appetite and so on. 2. Rare Chemicalbook: shortness of breath, chest tightness, cough, dystonia and so on. Lockjaw with laryngeal spasm has been reported after administration. 3. Occasionally, it may cause rash, granulocytopenia, anemia, and heart rate disturbance
