First Aid: Spider Bites

First Aid: Spider Bites

First Aid Because most spider bites don't fully penetrate human skin, they usually cause only mild reactions. However, black widow and brown recluse spider bites can cause serious reactions and need immediate care. Allergic reactions can happen but are rare.

Signs and Symptoms

Of a brown recluse spider bite:

Of a black widow spider bite:

Of an allergic reaction:

What to Do

If your child has been bitten by a spider:

Seek Medical Care Right Away


Think Prevention!

Reviewed by: Steven Dowshen, MD
Date reviewed: April 2014

Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

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