This article describes the effects of a tarantula spider bite.

This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.

The venom of tarantulas found in the United States is not considered dangerous but may cause allergic reactions.

Tarantulas are found across the southern and southwestern regions of the United States. Some people keep them as pets.

If a tarantula bites you, you may have pain at the site of the bite similiar to a bee sting. The area of the bite may become warm and red.

If you are allergic to tarantula venom, the following symptoms may occur:

• Breathing difficulty
• Cardiovascular collapse (an extreme reaction)
• Eyelid puffiness
• Itchiness
• Low blood pressure
• Rapid heart rate
• Skin rash
• Swelling at the site of the bite
• Swelling of the lips and throat