Symptoms of poisoning from these ingredients could include: abdominal pain, nausea, vomiting, diarrhea, headache, visual changes, dizziness and mental confusion.

这些成分的中毒症状包括：腹痛，恶心，呕吐，腹泻，头痛，视力改变，头晕和精神异常。

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For melatonin, these can include nausea, headaches, dizziness, confusion and nightmares.

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These include asking patients and caregivers about whether confusion and memory loss are worsening and using widely available cognitive screening tests that take less than five minutes.

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