See More Appropriate Topic (instead of this one):

• Tick Bite
• If NOT, try one of these: Insect Bite
• If NOT, try one of these: Insect Bite
• If NOT, try one of these: Rash or Redness – Localized

Is this your child’s symptom

• Bite from a spider

Symptoms of a Spider Bite

• Most spider bites cause local pain, redness and swelling. It’s much like a bee sting reaction.
• A few spiders such as the Black Widow can cause a more severe reaction.
• Helpful if spider seen on the skin or around the child

Cause of Spider Bite Reactions

• Most spiders have tiny fangs. They inject venom into the skin.
• The venom is what causes all the symptoms.

Types of Spider Bites

Black Widow Spider Bite

• A shiny, jet-black spider with long legs total size 1 inch or 25 mm.
• A red or orange hourglass-shaped marking on its under-side.
• Causes immediate local pain and swelling.
• Sometimes, you can see 2 fang marks at the bite site.
• Severe muscle cramps especially stomach cramps occur within 1 to 6 hours. These last 24 to 48 hours.
• Rarely causes death. Exception: bitten by several spiders or small child is bitten
• Note: Many are dry bites because the fangs are small.
• The brown widow spider is related to the black widow. It is found in southern US.
• Brown widow spider bites are treated the same as black widow bites.

Brown Recluse Spider Bite

• A brown spider with long legs total size &frac12 inch or 12 mm.
• A dark violin shaped marking on top of its head.
• Causes pain at the bite. Blisters form within 4 to 8 hours.
• The center becomes bluish and depressed crater-like over 2 to 3 days.
• Skin damage may require skin grafting in 10% of cases.
• Other symptoms such as fever, vomiting, muscle pain can occur. No life-threatening symptoms occur.
• Brown recluse spiders are hard to identify. If you can, bring the spider along in a jar.

Non-dangerous Spider Bites

• More than 50 spiders in the U.S. have venom. Their bites cause reactions that are not serious. This includes pain or redness at the bite site.
• The bites are painful and swollen. This lasts for 1 or 2 days. They can feel and look like a bee sting.
• Some single, unexplained, tender bites that occur during the night are due to spiders.

Call 911 Now

• Trouble breathing or wheezing
• Passed out or too weak to stand
• You think your child has a life-threatening emergency

Call Doctor Now or Go to ER

• Fever and bite looks infected spreading redness
• Your child looks or acts very sick
• You think your child needs to be seen, and the problem is urgent

Call Doctor Within 24 Hours

• New redness starts more than 24 hours after the bite. Note: Any redness in the first 24 hours is due to venom
• Over 48 hours since the bite and redness now becoming larger
• Bite starts to look bad such as skin damage, blister or purple color
• Bite pain lasts more than 2 days
• You think your child needs to be seen, but the problem is not urgent

Call Doctor During Office Hours

• You have other questions or concerns

Self Care at Home

• Non-serious spider bite

Care Advice for Non-dangerous Spider Bites

1. What You Should Know About Spider Bites:
   • Most spider bites look and feel like a bee sting.
   • The main symptoms are pain and redness.
   • Here is some care advice that should help.
2. Clean the Bite:
   • Wash the bite well with soap and water.
3. Cold Pack for Pain:
   • For pain or swelling, use a cold pack. You can also use ice wrapped in a wet cloth.
   • Put it on the bite for 20 minutes.
4. Pain Medicine:
   • To help with the pain, give an acetaminophen product such as Tylenol.
   • Another choice is an ibuprofen product such as Advil.
   • Use as needed.
5. What to Expect:
   • The swelling and pain lasts for 1 to 2 days.
   • It should not be any worse than a bee sting.
6. Call Your Doctor If:
   • Severe bite pain lasts more than 2 hours after pain medicine
   • Stomach pains or muscle cramps occur
   • Bite pain lasts more than 2 days 48 hours
   • Bite starts to look infected
   • You think your child needs to be seen
   • Your child becomes worse

And remember, contact your doctor if your child develops any of the ‘Call Your Doctor’ symptoms.

Disclaimer: This information is not intended be a substitute for professional medical advice. It is provided for educational purposes only. You assume full responsibility for how you choose to use this information.

Copyright 1994-2015 Barton D. Schmitt, MD. All rights reserved.