Nicotinsyre kan forstærke virkningen af ganglieblokerende stoffer og vasoaktive lægemidler, såsom nitrater, calciumkanalblokkere og adrenerge receptorblokkere, som kan resultere i postural hypotension.
Nicotinic acid may potentiate the effects of ganglionic blocking agents and vasoactive medicinal products such as nitrates, calcium channel blockers, and adrenergic receptor blocking agents, resulting in postural hypotension.