Api Diphenhydramine 98% Powder PM-255 PM255 diphenhydramine pm-255 powder

1. Allergies to the skin and mucous membranes, such as urticaria, angioedema, allergic rhinitis, other skin pruritus, anal pruritus, genital pruritus, drug eruption or jaundice, it is also effective for insect bites and contact dermatitis ;
2. Acute allergic reaction, which can reduce the allergic reaction caused by blood transfusion or plasma; antihistamine drugs such as diphenhydramine are often used before blood transfusion, usually 40 mg of diphenhydramine is given intramuscularly, and attention is paid to the screening of blood donors , try not to use blood donors with a history of allergies. Avoid repeated transfusion of the blood of the same donor to avoid antigen-antibody reaction. If there is anti-IgA antibody in the blood recipient, the washed red blood cells can be transfused. This washing method can remove the IgA in the blood of the donor. to prevent allergic reactions.
3. The prevention and treatment of motion sickness and seasickness has a strong antiemetic effect, and can also be used to prevent and treat radiation sickness, vomiting after surgery, and nausea and vomiting caused by drugs;
4. For Parkinson's disease and extrapyramidal symptoms;
5. Sedation, used for hypnosis and preoperative administration;
6. Dental local anesthesia. When the patient is highly allergic to commonly used local anesthetics, 1% diphenhydramine solution can be used as a dental local anesthetic;
7. Antitussive, as a non-addictive cough medicine, it is suitable for treating cough caused by cold or allergy, but its antitussive effect has not been confirmed.

1. The most common are: sluggishness, drowsiness, inability to concentrate, fatigue, dizziness, dizziness, ataxia, nausea, vomiting, loss of appetite, dry mouth, etc.
2. Rare are: shortness of breath, chest tightness, cough, dystonia and so on. Trismus with laryngospasm, anaphylactic shock, and arrhythmia have been reported after administration. Excessive application can cause acute poisoning and mental disorders.