produce Type I symptoms, and pyrethroids with this group (e.g., deltamethrin, Fig. 1)
produce Type II symptoms. In humans, the symptoms that may arise
from acute oral exposure to pyrethroids include dizziness, headache,
nausea, anorexia, fatigue, vomiting, mild disturbance of consciousness,
or muscular fasciculation in limbs (He et al., 1989). It is rare for an
individual to die from pyrethroid poisoning, although pulmonary
edema, convulsive attacks and coma have been recorded following