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Spider bite
Also called: arachnidism
An injury caused by venom from a spider's bite.
- Usually self-treatable
- Usually self-diagnosable
- Lab tests or imaging not required
- Short-term: resolves within days to weeks
In the US, many spiders aren't poisonous. Only black widows and brown recluse spider bites are a threat. A brown recluse bite can sometimes be severe and develop late. These spiders generally live in undisturbed areas, such as attics or sheds, and don't bite unless threatened.
Symptoms include swelling, redness, and pain around the bite.
Treatment usually includes cleaning the bite, applying ice, and watching for infection.
Very common: More than 3 million US cases per year
Consult a doctor for medical advice
Sources: Mayo Clinic and others. Learn more
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Jul 30, 2021 · Spider bites are usually harmless, and spiders don't usually bite unless threatened. Spider bites can cause redness, pain and swelling, ...
Spider bites often look like other bug bites, but sometimes two puncture marks will be visible. Further reactions can occur, such as swelling, pain, fever, and ...
Treatment. Most spider bites usually heal on their own in about a week. A bite from a recluse spider takes longer to heal and sometimes leaves a scar. First-aid ...
Nov 16, 2022 · Most look like normal bug bites, with red raised bumps that might itch. Bites from black widows or brown recluses may or may not look different.
Jan 8, 2021 · Most spider bites cause mild, treatable symptoms. Bites from black widow and brown recluse spiders require medical care.
Jun 29, 2023 · These pictures show some of the lesions often blamed on spider bites and how brown recluse, black widow, and wolf spider bites might look.
How Do I Treat a Spider Bite? · Wash the area with soap and water. · Put an ice pack or a cool wet cloth on the bite area to relieve pain and swelling. · Watch ...
Few spiders in the United States can cause serious illness or death. The bites of harmless spiders cause reactions similar to that of a bee sting (e.g., ...
Pain radiating from the site of the bite; Muscle pain or cramping; Reddish to purplish color or blister; Increased sweating; Difficulty breathing; Headache ...
Most spiders found in the United States are harmless, with the exception of the black widow and the brown recluse spiders. Both of these spiders are found ...
