Xiyanping allergic reaction, most commonly erythema and pruritus around the injection site, but more rarely anaphylactic reactions may occur, which can be life-threatening. Also, andrographolide and related derivatives are known to be abortifacient, making xiyanping unsuitable for use in pregnant women. Xiyanping Xiyanping (喜炎平) is an anti-inflammatory and antiviral preparation developed and licensed for use in China. It is a semi-synthetic injectable product derived from the active component of the plant "Andrographis paniculata" (Chuan Xin Lian, 穿心蓮), which is used in Traditional Chinese medicine. Xiyanping is primarily composed of 9-dehydro-17-hydro-andrographolide and sodium 9-dehydro-17-hydro-andrographolide-19-yl sulfate. It is used mainly in the treatment
Allergic response produce histamines. These histamines will act on different areas of the body (eyes, throat, nose, gastrointestinal tract, skin or lungs) to produce symptoms of an allergic reaction. The allergic response is not limited to a certain amount of exposure. If the body is exposed to the allergen multiple times the immune system will react every time the allergen is present. The reason why people get allergies is not known. The allergens are not passed down through generations. It is believed if parents have allergies the child is more likely to be allergic to the same allergens. Some common symptoms include