Hydrangea arborescens
Native American kidney stone herb — Cherokee and other nations used it for urinary calculi. Eclectic physicians adopted it for kidney/bladder stones, prostatitis, and UTIs. Root only — leaves/flowers contain cyanogenic glycosides.
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Diuretics, lithium, diabetes meds.
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GI upset, diarrhea. Dizziness at high doses. Leaves/flowers are TOXIC.
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