Headache #2 6X (BHCEADAC2X6) Acetalehyde/Weed Sprays
ACETALDEHYDE ISODE (weed sprays) This is a common ingredient of weed sprays. Symptoms listed are coughs, respiratory distress, diarrhea, nausea, vomiting, and possibly/probably being carcinogenic. Even if you choose not to use these weed sprays personally, acetaldehyde is a common soil and water contaminant. This is probably a good thing to make a point of detoxing from.
IRIS VERSICOLOR (blue flag) The symptoms of Iris versicolor are listed under Headaches #1 remedy.
MILLEFOLIUM ACHILLEA (yarrow) The headache symptoms of yarrow include piercing thrusts of pain in the head—worse stooping or bending over, throbbing in the arteries of the head and face, confused dull headache in the evening, and vertigo with nausea. Uses other than with kidney ailments are many and varied.