Victim should be lying down with feet higher than head. Keep victim warm. Check for injuries and provide first aid as needed for other conditions. Loosen any tight clothes that might restrict blood flow. People may become allergic to something at any time, even if they were not allergic to it in the past.
Allergic reactions can be severe and result in death.
First Aid for Allergic Reactions Call for help. Treat for shock. Persons who have had allergic reactions in the past may carry an Epi-pen with them. First Aid for Bites and Stings Bites and stings carry the risk of allergic reaction, infection and skin tissue injury. Human bites may produce infection and may need medical attention.