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Why is my child reacting to a spider bite?
When a spider bites it injects a venom.
The venom causes the reaction, usually swelling, redness and pain.
There are many different types of spiders rarely are they dangerous.
The spider bites of concern are Brown Recluse and Black/Brown Widow Spiders.
What are the symptoms of a spider bite?
Most common reactions for low-risk bites:
Pain, redness and swelling at the site
Usually starts to resolve in about 48 hours
It can look like a bee sting
Most common reactions from a Black Widow:
You may see two fang marks
Swelling and pain are immediate
Severe muscle cramps onset is usually 1 to 6 hours after bite
Cramping can last for 24 to 48 hours
Abdominal cramping onset is usually 1 to 6 hours after bite
Cramping can last for 24 to 48 hours
Most common reactions from a Brown Recluse:
Pain at the site of the bite
Blisters form within 4 to 8 hours after
Two to three days after the bite, the center starts to look depressed and takes on a bluish look
Your child may have a fever, muscle pain or vomit
How can I prevent spider bites?
Wash your child’s bedding in hot water and use the drier regularly
Clean regularly and be sure to check corners for spider webs
When planning a trip to an area known to have spiders (especially Black/Brown Widows or Brown Recluse) be sure to use a repellant on your child
A DEET based repellant is best (approved for age 2 months and up)
Be sure to read the follow the directions before applying
Long sleeves, long pants, and hats are helpful
Minimize as much body exposure as possible
What is the treatment for spider bites?
Low-risk spider bites:
Gently clean the spider bite with soap and water
You can apply cool compresses
You can use Tylenol or ibuprofen for help with the pain
Spider bites from a Black/Brown Widow or Brown Recluse:
When to call your child’s provider:
If you feel your child needs to be seen
If your child’s symptoms are getting worse
Your child is in severe pain
Your child has a fever, vomiting, muscle cramping or abdominal pain
The bite looks infected
This publication was adapted from information within American Academy of Pediatrics Patient Education Handouts, UpToDate Guidelines and Healthychildren.org
Reviewed by: TT D.O, AR D.O. | 10/2023