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Who should not take niacin?

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. The safe use of niacin in children has not been effectively studied and should be used with caution. Do not take this drug if you are allergic to niacin.

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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.