First Aid & Emergencies

Allergic Reaction Treatment

Call 911 now if the person has had severe reactions in the past or has any of these symptoms:

• Difficulty breathing or wheezing
• Tightness in the throat or a feeling that the airways are closing
• Hoarseness or trouble speaking
• Swollen lips, tongue, or throat
• Nausea, abdominal pain, or vomiting
• Fast heartbeat or pulse
• Anxiety or dizziness
• Loss of consciousness
• Other symptoms of a severe allergic reaction (anaphylaxis)

1. Treat Symptoms

• For mild allergy symptoms, such as hay fever or hives, give an over-the-counter (OTC) antihistamine.

• For stuffy nose, give an OTC decongestant.

• For itchy, watery eyes, use OTC allergy eye drops.

• For itchy allergic rash, apply cold compresses and an OTC hydrocortisone cream.

2. Follow Up

• Watch for worsening symptoms, including signs of anaphylaxis.

See Severe Allergic Reaction Treatment.