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Chemical burns: First aid
When to seek emergency care
Call 911 or seek immediate care for a chemical burn in which the burn:
- Is deep
- Covers an area larger than 3 inches (about 8 centimeters) in diameter
- Covers the hands, feet, face, groin, buttocks or a major joint
If you're unsure whether a substance is toxic, call Poison Help at 800-222-1222 in the United States. If you seek emergency medical help, take the chemical container or the name of the chemical with you to the emergency department.