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Med Rx.

Ethanol + Isopropyl alcohol + Nicotinic Acid [Niacin]

Moderate 1 published source

This interaction is documented in this data source.

Ethanol + Isopropyl alcohol
Checked as Ethanol
Nicotinic Acid [Niacin]
Checked as Niacin

What is documented

  1. Synergy

    Moderate

    via Ethanol and Niacin

    What happens

    Ethanol can exacerbate the cutaneous flushing that is a common side effect of niacin. At least one case of delirium and lactic acidosis has been reported with coadministration of these drugs, although data are limited.

    What to do

    Coadministration should probably be discouraged, particularly since chronic consumption of large amounts of alcohol is associated with hyperlipidemia.

    1 source

    1. Schwab RA, Bachhuber BH "Delirium and lactic acidosis caused by ethanol and niacin coingestion." Am J Emerg Med 9 (1991): 363-5

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