The brown recluse injects Hemotoxic venom and may cause severe lesions in the bite area. Two spiders belonging to the recluse family and the widow spiders are the primary threat. Brown Recluse Spider Bite StagesĪrachnids, the spider and scorpions carry chemical horrors in their venoms as well. This stuff melts it way through the connective tissue between cells. But there is more, the swelling is cause by the presence of two substances known as hyaluronidase and MCDP short for the scary sounding mast cell degranulating peptide. The pain duration is a result of this nor-epinephrine injection remains until blood flow can dilute and carry this stuff away from the sting site. When the cells in question are neurons, these send a message to our brains that is interpreted as pain. The nasty chemicals are referred to as peptides and some are enzymes. Some substances in the venom break down the cellular membranes spilling the cells contents into your blood stream. Wasp venom is a highly specialized form of chemical warfare used for defense. The feared yellow-jacket is aggressive but unless stings are delivered in mass or you are allergic they are not a health hazard, they just hurt. Bee & Wasp Stingsīee stings can be painful, but a bee will only sting as a last resort, as it will die shortly after delivering their barbed stings. Their toxic alkaloid venom causes a burning sensation similar to burn like from a fire, hence their name. Fire ants are very aggressive and will swarm in numbers if disturbed. Fire ants attack and can kill small animals. Formic acid is what causes the reaction to the bite resulting in the itch, burning and swelling. Ant bites transfer an irritant in the form of formic acid, a carboxylic acid. They require minimal treatment and are of no consequence to most of us. Ant Bites & StingsĪnt bites and stings can be painful, burning or itchy. If you know that you are sensitive to venom from prior experience or suffer any of the symptoms seek medical attention sooner rather than later. About 10 percent of us are susceptible to anaphylaxis. Anaphylaxis symptoms on are large scale swelling, dizziness and difficulty breathing and are life threatening requiring immediate medical intervention. Swelling, redness and itching are local reactions to an insect bite or sting. Arachnids like spiders, scorpions or other bugs like centipedes can also cause anaphylaxis. Anaphylaxis is the allergic reaction to animal venom such as from fire ants, wasps and bees.

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