What is rosacea?

Rosacea is caused by chronic inflammation of the skin. Rosacea may be caused by infection caused by low immunity. It may also be caused by eating irritating foods or smoking for a long time. Endocrine dysfunction or prolonged work at high temperatures may also cause rosacea. Long-term sun exposure and excessive mental stress are also causes of rosacea. Rosacea can cause red nose, itching symptoms, rosacea can be external anti-inflammatory itching ointment treatment.