35 year old female (history of crohn's disease) with new facial flushing. never happened before. no new meds, foods or skin products. antihistamines and cold compresses not helping.

Unusual: Based on the info you provided, it's hard to say exactly what it is. If you are having any belly pain, i would be concerned that your flushing could be related to an evolving crohn's infection or fistula. Other ideas include an allergy, or even more rarely would be a type of a tumor called a neuroendocrine cancer. Make an appointment to discuss with your doctor.