What causes facial warmth?

Facial warmth can be caused by various factors, including increased blood flow due to physical exertion, emotional responses like embarrassment or anger, or environmental conditions such as heat and humidity. It may also result from medical conditions like rosacea, Allergies, or infections. Hormonal changes, particularly during menopause, can also trigger facial flushing and warmth. In some cases, certain medications or substances like alcohol can lead to increased facial warmth as well.