What should I know before using niacin?

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Niacin may be harmful to the fetus of pregnant women, when taken in high doses for the treatment of high cholesterol or some other conditions. Niacin is excreted in breast milk. Talk to your doctor if you are pregnant or nursing. Do not take niacin if you have a stomach ulcer, severe liver disease, or active bleeding. This drug can cause dizziness. It can also cause flushing and it is recommended that it be taken in the evening, so that the flushing occurs while you are sleeping. Do not take niacin with hot drinks, alcohol, or spicy food because the flushing could be worse. Niacin may cause erroneous results with some lab tests, including urinary catecholamine tests, urine glucose, or plasma tests. Inform the lab personnel and your doctor that you are taking niacin. The safe use of niacin in children has not been effectively studied and should be used with caution. Niacin should be used in combination with a diet and exercise plan.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.