Do Brown Recluse Bites Cause Necrosis?

Brown recluse spiders are venomous, but bites do not always result in large, necrotic lesions where surrounding tissue dies. Often, the bite goes unnoticed and only results in a pimple-like swelling.

Can a spider bite cause necrosis?

The bites of some spiders can sometimes cause necrosis, the death of human tissue. However, a few spider species may have been incriminated in necrosis cases without sufficient evidence, experts say.

What percentage of brown recluse bites turn necrotic?

It is true that some of the spider's bites lead to necrotic skin lesions, but around 10 percent of them.