Black Widow Spider Bite Treatment

Reviewed by Nayana Ambardekar, MD on January 19, 2020

Call 911 if the person: 

1. Get Help Immediately

  • Call your health care provider or go to a hospital emergency room.
  • If possible, kill the spider and take it to the doctor with you.

2. Treat Symptoms

  • Apply ice on the way to the health care provider's office or emergency room to relieve pain and swelling.

3. Follow Up

  • The health care provider will examine and clean the wound.
  • The person may require a tetanus shot or booster, depending on the date of the last injection.
  • A person with severe symptoms -- such as intense pain and cramping or high blood pressure -- may be admitted to the hospital. Antivenin may be needed.
WebMD Medical Reference



California Poison Control System: "Spider Bites."

Children's Hospital of Philadelphia: "Spider Bites."

KidsHealth: "Bug Bites and Stings."

American College of Emergency Physicians: "SSS -- Snake, Scorpion, and Spider Envenomations."

Black Widow Spider Bite Information from eMedicineHealth.

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