求翻译：5 tablets before exercise and/or at bedtime with plenty of water at least two hours after the last meal. Discontinue use or reduce dosage if any of the following symptoms are present: nausea, excessive salivation, vomiting, diarrhea, muscle spasms, cramps, excessive urination, insomnia, headache, cardiac arrhythmias, high blood是什么意思？

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