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
Red imported fire ant Some victims may develop a more serious allergic reaction which can be life-threatening. The venom is mainly composed of insoluble alkaloids with a minor watery phase containing some 46 proteins of which four are reported as allergens. Because of their notoriety and invasive behaviour, red imported fire ants are considered pests. In the United States, the Food and Drug Administration estimates more than $5 billion is spent annually on medical treatment, damage, and control in infested areas. They can also cause $2.5 billion in damages annually in just 20 years. In Texas alone, red imported fire ants caused $300 million