How to Diagnose a Poison Sumac Infection
Approximately 60 percent to 80 percent of the population is allergic to poison sumac. Touching any part of the plant will cause a rash wherever the oil comes into contact with your skin. Of poison oak, poison ivy and poison sumac, poison sumac generally produces the most uncomfortable condition. It often requires medical treatment.
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Instructions
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Know that the poison sumac plant grows mainly in wet areas of the Southwest. If you have recently traveled in this area, you may have come in contact with poison sumac. The plants have smooth, oval leaves with 7 to 13 leaves per stem.
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Note how long it's been since you may have contacted poison sumac. A rash starts within 24 to 72 hours of exposure. If the rash begins as red bumps that turn into oozing blisters, and you've been in an area where the plants grow, you may have poision sumac.
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Check to see if you have a rash near your mouth, eyes or genitals. If so, see a physician immediately. Poison sumac in these areas may require special treatment.
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Tips & Warnings
The best way to avoid getting poison sumac is to either stay out of the areas where it is prone to grow or to dress in long pants and long-sleeve shirts. The oil can get on your clothing, so it is important to take care when undressing that you don't get the oil on your skin.
