Arsenic Poisoning?
I have a question: when Mme. Bovary poisoned herself, why was there blue stuff on her tongue and in her mouth? What causes that?
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Veronica Mars died for the CW's sins.
I know arsenic produces excessive salivation (foam); I wouldn't know why it turned blue. (Perhaps it affected the inner lining of the mouth.)
Here is a short review of symptoms and "curiosities" about arsenic.
http://www.rocks4brains.com/~cat/poison.pdf