How are you? Contact with the oil of these plants: poison ivy
sumac, and poison
oak causes most people to have a rash, blisters, and itching. The symptoms of an allergic reaction to poison ivy, sumac, or oak include the following, from least serious to most serious: itching, red blotches, blisters, fever, headache, swelling of throat and eyes, overall swelling of your body, stomach cramps, nausea, vomiting, and diarrhea. Usually the rash is first noticed 1 to 2 days after contact.