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bee sting
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This medical illustration explains a systemic anaphylactic response to bee venom in someone with type I hypersensitivity. It shows a bee sting injecting venom into the skin, which then enters the bloodstream and spreads throughout the body. The diagram highlights how the immune system reacts, including mast cell activation and the release of substances that cause symptoms such as swelling, low blood pressure, breathing difficulty, digestive issues, and skin reactions. The human figure is annotat
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bee sting

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This medical illustration explains a systemic anaphylactic response to bee venom in someone with type I hypersensitivity. It shows a bee sting injecting venom into the skin, which then enters the bloodstream and spreads throughout the body. The diagram highlights how the immune system reacts, including mast cell activation and the release of substances that cause symptoms such as swelling, low blood pressure, breathing difficulty, digestive issues, and skin reactions. The human figure is annotat
anaphylaxis Systemic anaphylactic response to bee venom in an individual with type I hypersensitivity. In most people a bee sting is nothing more than an unpleasant, painful experience that is soon forgotten. However, for a minority of individuals who have an allergic predisposition to bee venom, the insect's sting can cause a dangerous, potentially fatal reaction known as systemic anaphylaxis. (Top left) A bee sting releases venom, which enters the bloodstream of an individual sensitized to it—that is, someone whose immune system has been triggered by previous experience to recognize venom as a threat to the body. Venom, distributed through the body by the bloodstream, interacts with basophils in the blood and (bottom left) mast cells in tissues. Previous exposure has “primed,” or sensitized, the individual by stimulating these cells to generate immunoglobulin E (IgE) antibodies, which attach to the surfaces of the mast cells and basophils. When the venom interacts with the IgE antibodies, it stimulates the mast cells and basophils to release biologically active chemicals. Within seconds or minutes the chemicals give rise to manifestations of systemic anaphylaxis, which are listed on the right side of the figure.

A bee sting occurs when a bee injects venom into the skin with its barbed stinger. This causes immediate pain, followed by redness and swelling. The stinger can remain in the skin, continuing to inject venom, so it's best to scrape it out quickly rather than pulling it. While most people develop immunity to the swelling after a few stings, some can experience severe allergic reactions, known as anaphylaxis, which require immediate medical attention. These reactions can include difficulty breathing and shock.12

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  1. beekeeping - Bee stings
  2. insect bite and sting
  3. beesting

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