Increased blood flow: The stimulation of the hot food and moving the lips while eating causes increased blood flow and some dilation of the blood vessels in the lips, causing the increased redness and swelling. As long as the redness and swelling resolves soon afterward, this is not a serious situation.
Answered 3/28/2021
4.2k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question