Chronic hives in children: When to call
  Give an epinephrine shot if:
  - You think your child is having a severe allergic reaction.
After giving an epinephrine shot call 911, even if your child feels better.
  Call 911 if:
  - Your child has symptoms of a severe allergic reaction. These may include: - Sudden raised, red areas (hives) all over their body.
- Swelling of the throat, mouth, lips, or tongue.
- Trouble breathing.
- Passing out (losing consciousness). Or your child may feel very lightheaded or suddenly feel weak, confused, or restless.
- Severe belly pain, nausea, vomiting, or diarrhea.
 
 - Your child has been given an epinephrine shot, even if your child feels better.
 Call your doctor now or seek immediate medical care if:
  - Your child's hives get worse.
- Your child has mild belly pain or nausea. 
Watch closely for changes in your child's health, and be sure to contact your doctor if:
  - Your child does not get better as expected.