Darkening around the lips may be a normal phenomenon caused by hyperpigmentation, or it may be caused by lipitis, hyperpigmentation intestinal polyp syndrome and other diseases.
1. Hyperpigmentation: when the phenomenon of blackness around the lips occurs, it may be caused by melanin precipitation in the patient’s skin, which is a normal phenomenon.
2. Lipitis: the cause of lipitis is not completely clear for the time being, and it is considered to be caused by sunlight exposure, local stimulation, spicy food and other factors. Patients will appear lip swelling, erosion, dryness, flaking, crusting, etc., which will lead to the phenomenon of blackness around the lips.
3. Hyperpigmentation intestinal polyp syndrome: hyperpigmentation intestinal polyp syndrome is mainly caused by hereditary factors, the patient’s main symptoms for the perioral, periocular and other parts of the hyperpigmentation, pigmentation, black but not brown, abdominal pain, diarrhea and other symptoms.
When patients have the symptom of darkening around the lips, if it is caused by normal pigmentation, no treatment is needed. If it is caused by a disease, the patient should consult a doctor in time and follow the doctor’s instructions for treatment.