Take no more than 0.15 gram a day. Belladonna leaves, powder, and extract should be stored away from sources of direct light. Belladonna root can be stored for a maximum of 3 years in a well-sealed container protected from light and insects. High doses lead to overexcitement and symptoms such as restlessness, compulsion to talk, hallucinations, delirium, and manic attacks followed by exhaustion and sleep. Much smaller doses are fatal in children.
Death usually results from asphyxiation.
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