Rheumatoid arthritis is symmetric, which means it affects the same locations on either side of the body. It also usually affects the small joints of your hands, wrists, and feet. But, unlike rheumatoid arthritis, lupus-caused arthritis does not wear away at your bones.bout 95 percent of people with lupus experience arthritis, which is joint inflammation, or arthralgia, which is joint pain.
Anaphylaxis is a severe, life-threatening, systemic allergic reaction that is almost always unanticipated and may lead to death by airway obstruction or vascular collapse.
Anaphylaxis is a life-threatening type of allergic reaction. Anaphylaxis is a severe, whole-body allergic reaction to a chemical that has become an allergen. An allergen is a substance that can cause an allergic reaction. After being exposed to a substance such as bee sting venom, the person's immune system becomes sensitized to it. When the person is exposed to that allergen again, an allergic reaction may occur. Anaphylaxis happens quickly after the exposure.