Adrenaline surge?: If related to feeling uncomfortable or anxious, it is likely a surge of the stress hormone adrenaline. Usually a few deep breaths, and sitting down can help. It may also be any medications you are on.
Answered 10/7/2014
3.7k views
Not uncommon: As with significant emotional experiences or stress, your sympathetic nervous system can go into overdrive and lead to vasodilation(dilation of your blood vessels). This causes the "flushing" sensation.
Answered 10/8/2014
3.7k views
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