What causes your face to get extra red right after exercising?

Exercise after the face especially red, usually physiological reasons, due to the face of the thickening of the capillaries, blood flow than usual, so visually it looks to be more red than usual, part of the solar dermatitis or atopic dermatitis patients due to the presence of facial inflammation, exercise is also more prone to face red.
Participate in sports, have a soothing body, release pressure, relaxation of muscles, when the amount of exercise is too large, it will stimulate nerve excitation, and the body temperature rises, the whole body capillary expansion, blood circulation relative to the quiet state faster.
Exercise, there will often be a large mouth breathing state, one of the components of the blood “hemoglobin” as the main workers of oxygen transportation, the content increases in the exercise state, and the face is relatively thin skin, capillary rich, naturally, will show a kind of reddish state.
Some patients, due to inflammatory reactions on the face itself, such as solar dermatitis or atopic dermatitis, are more prone to face redness after exercise, which may be accompanied by edema or itching.
If the redness of the face after exercise persists without relief, you should go to the hospital immediately and be treated under the guidance of a doctor.