These spiders aren't aggressive and only bite when they feel threatened. The bites usually aren't fatal, but they can still cause some serious and uncomfortable symptoms. If a black widow spider has bitten you, get medical treatment right away. This spider type is found throughout the world.
Can a black widow kill you?
What You Should Do. If you ever think that you've been bitten by a black widow spider, tell an adult immediately. Black widow spider bites rarely kill people, but it's important to get medical attention as soon as you can because they can make you very sick. With an adult's help, wash the bite well with soap and water.
How many black widow bites does it take to kill a human?
A black widow's bite can be venomous, but many people experience few or no health complications. In 2013, people reported around 1,866 black widow bites to the American Association of Poison Control Centers. Only 14 of them resulted in severe symptoms, and none were fatal.