A form of niacin (see vitamin B complex). Apart from its use as a vitamin supplement, nicotinic acid is also prescribed as a lipid-lowering drug and as a vasodilator drug. High doses are used to treat certain types of hyperlipidaemia. Nicotinic acid derivatives are used to improve circulation in disorders such as peripheral vascular disease. Adverse effects are more common with high doses, and include flushing, dizziness, nausea, palpitations, and itching.
Nicotinic acid |
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