Overview
Many "spider bites" are really skin infections like MRSA.
Symptoms
Common signs:
- Spider bite
- Bug bite or sting
- Red spot, bump, or patch on the skin
Less common
- Red bump
Look up a symptom: Red spot, bump, or patch on the skin · Stomach pain
When to get medical care
Call 911Trouble breathing, severe muscle cramps, or chest pain.
Get care todaySpreading redness or a dark sore.
See a doctor soonBite not healing.
Causes
Spiders.
Diagnosis
A clinician examines.
Treatment
First aid.
Self-care
- Wash with soap
- Cold pack
- Raise the area
Medicines
Medicines that may help:
| Medicine | Helps with | Good to know |
|---|---|---|
| Pain relievers | Pain and swelling | Ask first if you have kidney, stomach, or heart problems. |
OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.
Prevention
To lower your risk or prevent problems:
- Shake out shoes and gloves
Which doctor treats this
- Urgent care or the ER can treat it first. For minor problems, your primary care provider can help.
Back to school, work, or sports
- Most people can go to school or work. Keep the wound clean and covered.
- Avoid pools and hot tubs until the skin heals.
Children, pregnancy, and older adults
- Children: Black widow bites can be more severe.
Outlook
Most heal.
Getting ready for your visit
Bring a list of your symptoms and medicines.
Questions to ask
- Is this a spider bite or an infection?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Search ClinicalTrials.gov for studies on Spider bites (including black widow and brown recluse)
Sources
Last updated 2026-11-12.