Tissue damage caused by exposure to strong acids, alkalis, solvents, or household cleaners.
Step-by-Step Guidance
Put on gloves or protective eyewear before assisting the patient to avoid self-contamination.

If the chemical is a dry powder, brush it off the skin completely before using water.

Flood the area with cool, low-pressure running water for at least 20 minutes.

Gently remove all clothing, jewelry, and shoes contaminated by the chemical while flushing.

Cover the flushed skin with a clean, loose dry wrap and take the patient to the hospital.

Variable (weeks to months)
Timeline is typical for uncomplicated healing. Always follow doctor guidance.