What effects could a person my size feel from a black widow spider bite? just out of curiosity.

Just out of: Curiosity, they can be fatal. Luckily you are very unlikely to be bitten by one.

I don't know your: Age or size. Assume adult? Black widow spider bites can cause localized pain. This can lead to cramping of muscles in the are of the bite. Or there can be generalized cramping of muscles, nausea, vomiting, abdominal pain, chest pain, difficulty breathing and tremor. If pain is significant or you have generalized body symptoms- seek medical care. For severe symptoms call 911. Although death from.