Used to get this in: Scotland - owie ! the stinging nettle (urtica dioida) contains different chemicals depending on the subspecies, which can include: serotonin, histamine, formic acide, acetylcholine, moroidin ; leukotrienes. Small hair- like needles inject chemical into the skins which causes redness, swelling (welts) intense pain ; possibly itching. It may take minutes to days to resolve.
Answered 10/24/2013
4.8k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question