Recently, the mole has become darker in color and itchy.

Mar 30, 2024 Source: Cainiu Health

Dr. Liu Wan

Introduction

Recently, darkening of a mole accompanied by itching may be caused by physiological factors such as skin irritation, or pathological factors including allergies, bacterial infection, or malignant transformation. It is recommended to seek medical attention promptly and receive appropriate treatment based on the underlying cause. During recovery, maintain proper local hygiene and care, and avoid excessive friction or scratching to prevent interference with healing.

Recently, darkening of a black mole accompanied by itching may be caused by physiological factors such as skin irritation, or could result from pathological factors including allergies, bacterial infection, or malignant transformation. It is recommended to seek medical attention promptly and receive appropriate treatment based on the underlying cause. Detailed analysis is as follows:

I. Physiological Factors

If the skin area containing the mole has been irritated—such as by injury or insect bites—it may lead to local swelling, pain, itching, or changes in color. These symptoms typically do not require special treatment and can resolve with proper care.

II. Pathological Factors

1. Allergy

Contact with allergens in the local area may trigger an allergic reaction, causing symptoms such as redness, itching, and pain. Under medical guidance, antihistamines such as chlorpheniramine maleate tablets, loratadine tablets, or levocetirizine hydrochloride tablets may be used to alleviate symptoms.

2. Bacterial Infection

If the area is not properly cared for and becomes infected with bacteria, symptoms such as pain, swelling, and color changes may occur. Antibiotic ointments such as erythromycin ointment, mupirocin ointment, or fusidic acid cream should be applied as directed by a physician to reduce inflammation.

3. Malignant Transformation

If a mole is subjected to prolonged friction or irritation, it may undergo malignant transformation and develop into melanoma. The mole may darken in color and rapidly increase in size, necessitating prompt surgical removal at a hospital.

During recovery, maintain proper cleaning and care of the affected area. Avoid excessive friction or scratching to prevent interference with healing.

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