Below are the main rubriks (i.e strongest indications or symptoms) of Sanguinaria Canadensis in traditional homeopathic usage, not approved by the FDA.
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veins and temples are distended
Burning in eyes
Worse RIGHT side, sun headache
Periodical sick headache; pain begins in occiput, spreads upwards, and Settles over eyes, especially right
Pain better lying down and sleep
Like a flash of lightning."≡ more ...