The oil in poison ivy/oak/sumac plants (called urushiol) can cause an allergic rash in 60% to 80% of people who come into contact with it.
Mild rashes can be treated at home, and mostly cause discomfort from itching, burning, or blistering. Severe, widespread rashes require medical treatment.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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