William Gaddis, The Recognitions, pp. 931:
The Nicotinic acid was the best, wasn’t it, in spite of its evanescent reactions, the tingling, itching, burning of the skin, dizziness, faintness, sensations of warmth… bend over now Gordon… gastric distress, cutaneous flushing, the increased gastro-intestinal motility… ah… mmmp, there we are Gordon. You’ll feel better in no time. It’s due to a vasodilating action.
1.Dilation of a blood vessel, as by the action of a nerve or drug.
.i`` * ^ / . . . . . ` `~ 