Common causes of redness on both sides of the nose include rosacea and seborrheic dermatitis.
1. Rosacea: Rosacea, also known as rosacea, the cause of which is not yet fully clear, may be associated with excessive sebum secretion, follicular helminthic mite infection, genetic factors, local vasodilatation nerve dysregulation, impaired barrier function of the skin, manifested as redness on both sides of the nose, and often have the symptoms of erythema in the middle of the face, pimples, pimples, nodules, and so on.
2. Seborrheic dermatitis: the etiology of this disease is not clear, may be related to genetics, fungal parasites, skin lipids, skin barrier function is impaired and other factors, in addition to redness on both sides of the nose, there are other parts of the face with erythema, covered with greasy scales, accompanied by itching and other symptoms.
It is recommended that patients go to the dermatology department of regular hospitals when necessary, follow the doctor’s instructions to clarify the diagnosis, and actively treat the disease to avoid delays.