Diphenhydramine (Benadryl) is an antihistamine used for treatingallergicreactions. Histamine is released by the body during several types of allergic reactions and—to a lesser extent—during some viral infections, such as thecommon cold. When histamine binds to receptors on cells, it stimulates chang...
(a substance that renders other matierial inactive or ineffective). Only "free" histamine would produce allergic symptoms, so an antagonist (opposite) to this free histamine had to be found. Bovet could not discover a natural antagonist to histamine, so he looked for substances that were similar...
14、antihistaminedrugs can be used to reduce inflammation when it is caused by an allergic reaction.(抗组织胺药物,可以用来减轻炎症时,这是造成过敏反应。) 15、Taking anantihistamineisn't the only way to battle seasonal allergies.(采取抗组织胺并不是唯一防止季节性过敏的方法。) ...
19. I had an allergic reaction to my antihistamine medication. 我对抗组胺剂的药物有过敏。 20. Fexofenadine was the second era antihistamine drug used to treat anaphylaxis, and was not sedative and heart toxicity. 非索非那定是第二代抗组胺药物,用于治疗过敏性疾病,无嗜睡,无心脏毒性,副作用小。
The reaction stoichiometry is found to be 1:1 [drug]: [DDQ or TCNQ]. For the spectrophotometric methods, molar absorptivity, detection and quantification limits, and sandell resistance are also calculated. According to ICH guidelines, both intra-and inter-day precision and reliability were ...
On occasion I have a reaction to pollen. Light allergic reactions to certain things. Not serious enough to go see my doctor. Benadryl is my go to . They work pretty fast for me. I take two at night and during the day without making me sleepy either one. I suggest see ...
Before taking diphenhydramine, tell your doctor or pharmacist if you are allergic to it; or to dimenhydrinate; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before...
In addition, the first generation antihistamines also have anti-cholinergic effects which may be beneficial for other symptoms like bronchial and nasal secretions, even if it not due to an allergic reaction. The second-generation antihistamines like cetrizine inhibit the release of histamine from mast...
To prevent or control minor allergic transfusion reactions in adults, 25 mg of promethazine hydrochloride may be administered prior to or during a blood transfusion.Motion SicknessFor the management of motion sickness, adults may be given 25 mg of promethazine hydrochloride and children may receive ...
Often used to treat allergic reactions and symptoms. Antihistamines can reduce sneezing and itching. 3 Histamine Histamine is an organic nitrogenous compound involved in local immune responses, as well as regulating physiological function in the gut and acting as a neurotransmitter for the brain, spina...