Treatment is symptomatic, with antihistamines and anti-hypertensive drugs used to control inflammation and hypertension; intravenous opiates, such as morphine and fentanyl, are used to control the pain.
From that research, so far, crude extracts of 80 plants have been found to have some bioactivity: in the form of anti-diabetic, anti-hypertensive, pesticidal, antimicrobial, anti-cancer, among other things.
