a severe form of physiological shock, often having a fatal outcome, caused by an extreme immunological reaction to antigens. It is a severe form of anaphylaxis{2}, and is characterized by smooth muscle contraction and capillary dilation throughout the body, initiated by antibodies of the IgE class. It is usually seen when an antigen to which a person has become hypersensitized is injected intravenously or subcutaneously. It is also called generalyzed anaphylaxis or systemic anaphylaxis, and sometimes anaphylaxis.
A precipitous drop in blood pressure caused by loss of fluid from capillaries because of an increase in their permeability stimulated by an allergic reaction.
an extremely serious, systemic allergic reaction* which, if not treated immediately, can result in cardiovascular difficulties. An emergency injection of epinephrine is necessary.
A state of immediate hypersensitivity following sensitization to a foreign protein or drug.
a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure
A sudden reaction to a foreign substance such as a bee sting, peanut oil or legumes. Characterised by a red, puffy appearance to the face and affected parts, impaired breathing and racing pulse.
Allergic reaction of the body to an insect sting or any other substance.
This is an extreme allergic reaction to an antibiotic given to treat an infection.
a severe allergic reaction of the body to a foreign substance.
type of shock caused by a severe allergic reaction that can lead to swelling of the face, throat and airway very rapidly
An extreme allergic reaction involving the massive release of histamines. The immediate symptoms are rash, swelling of lips, mouth and throat. Rapid pulse, dizziness and shallow breathing follows. Can be fatal without treatment
an acute allergic reaction which consists of the most serious allergic reactions and vascular failure (a drop in blood pressure). All allergy symptoms can be observed during such a reaction.
is an often severe and sometimes fatal systemic reaction to a specific antigen that results in rapid constriction of the airway, often within minutes of onset. Immediate administration of epinephrine (adrenaline) and advanced medical care to assist breathing are critical for this life-threatening medical emergency. An antibody is a protein produced by the immune system in response to specific antigens to counteract the antigen's effects. Each antibody recognizes a specific antigen. An antigen is a substance (such as a toxin or an enzyme) that is capable of stimulating an immune response within the human body.
An allergic reaction marked by contraction of smooth muscle and dilation of blood vessels. If not checked rapidly by an injection of epinephrine, the reaction can be lethal.
A widespread and very serious allergic reaction. Symptoms include dizziness, loss of consciousness, labored breathing, swelling of the tongue and breathing tubes, blueness of the skin, low blood pressure, heart failure, and death. Immediate emergency treatment is required, including administration of antivenom in the case of bee or wasp stings.
Anaphylactic Shock is a unique form of allergic reaction. It's characterized by a swelling of body tissues including the throat, difficulty in breathing and a sudden fall in blood pressure. This type of allergic reaction is extremely dangerous and can be life threatening. If you experience this type of reaction, go immediately to your nearest hospital. If you have had this type of reaction previously, in a mild form, you should consider carrying an Epipen with you in order to be able to deliver a potentially life-saving dose of adrenaline to counteract the reaction, until you can get to a hospital.
a life-threatening allergic reaction to a foreign antigen mediated by IgE antibodies. Symptoms include swelling, shortness of breath and a decrease in blood pressure due to capillary dilation.
Shock that is caused by allergic reaction.
A severe allergic reaction to a food, drug, venom, or other stimulus. Also called anaphylaxis, anaphylactic shock can occur immediately, resulting in collapse, convulsions, and unconsciousness. Or it may come on gradually, starting with typical allergic symptoms and progressing to life-threatening heart and breathing problems.
A life-threatening allergic reaction characterized by a swelling of body tissues (including the throat) and a sudden decline in blood pressure.
constriction of the muscles surrounding the bronchial tubes of a human, caused by hypersensitivity to venom and resulting in sudden death unless immediate medical attention is received.
life-threatening allergic response characterized by decreased blood pressure and impaired respiration
Also known as anaphylaxis, this is a serious and rapid allergic reaction usually involving more than one part of the body which, if severe enough, can kill. It is characterized by decreased blood pressure and impaired respiration.
An extreme allergic reaction, usually to an antibiotic given to treat an infection or other disease. In rare cases, if a piercing becomes infected and penicillin or some other antibiotic is given to an individual that is allergic to it, they may suffer the symptoms of anaphylactic shock, which include difficulty breathing, swelling of the face, mouth and tongue, rapid pulse, collapse, and even death. It can be treated with immediate medical attention.
a life-threatening allergic reaction resulting in difficulty breathing and low blood pressure
Anaphylactic shock or systemic anaphylaxis is an allergic reaction to systemically administered antigen that causes circulatory collapse and suffocation due to tracheal swelling. It results from binding of antigen to IgE antibody on connective tissue mast cells throughout the body, leading to the disseminated release of inflammatory mediators.
Anaphylactic shock is a severe and sometimes life-threatening allergic reaction, causing swelling of body tissues and a drop in blood pressure.
Reaction by an individual suffering a severe reaction to a substance to which they are allergic.