Health information to help you understand symptoms. It isn't a diagnosis.About OwieClear
Check symptoms

Fire ant bites

Also called: Fire ant bites, fire ant stings

Burning stings that turn into white pus bumps in a day. Most are mild; some people have serious allergic reactions.

BumpsWhite pustules in 24 hours
Don'tPop them
DangerAllergic reaction

Overview

Fire ants sting many times.

Fire ants bite and then sting many times, leaving burning bumps that turn into white blisters in a day.

Symptoms

Common signs:

  • Burning stings and bumps

Less common

  • Itching

When to get medical care

Call 911Trouble breathing or swelling of face or throat: use epinephrine and call 911.
Get care todayInfected bumps.
See a doctor soonMany stings.

Causes

Fire ants.

Who is more likely to get it

  • Southern U.S.

Possible complications

Diagnosis

Diagnosis by looking.

Treatment

Care for stings.

Self-care

  • Brush ants off quickly
  • Wash with soap
  • Cold pack
  • Don't pop bumps
  • Leave the white blisters alone

Medicines

Medicines that may help:

MedicineHelps withGood to know
Anti-itch
Itch

OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.

Prevention

  • Avoid mounds

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

  • Southern U.S.: Most fire ants.

Outlook

Heal.

Bumps heal in about a week.

Getting ready for your visit

Bring a list of your symptoms and medicines.

Questions to ask

  • Do I need epinephrine?

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 Fire ant bites

Sources

Last updated 2026-11-12.