What is the reason for the persistent acne on the back

The persistent acne on the back may be related to factors such as folliculitis, acne, fungal infections, endocrine disorders, allergic reactions, etc. Acne on the back usually presents as red papules, pustules, or nodules, which may be accompanied by itching or pain.

1. Folliculitis

Folliculitis is a common cause of back acne, mainly caused by bacterial infection of hair follicles. Excessive sweating, clothing friction, or improper cleaning may cause hair follicle blockage and trigger inflammation. Symptoms include small pustules that are red, swollen, and painful. Keeping the skin clean and dry and avoiding tight clothing can help relieve symptoms. In severe cases, external antibiotics such as fusidic acid cream and mupirocin cream can be used according to medical advice.

2. Acne

Back acne is similar to facial acne and is related to excessive sebum secretion and abnormal keratinization of hair follicles. Hormonal changes, stress, or a high sugar, high-fat diet may exacerbate symptoms. Manifesting as blackheads, whiteheads, or inflammatory papules. It is recommended to use detergents containing salicylic acid or benzoyl peroxide. In severe cases, a doctor should prescribe retinoids.

3. Fungal infection

Excessive reproduction of fungi such as Malassezia may lead to folliculitis, which is common in humid and hot environments. The symptom is itchy red papules, which are easily confused with acne. Antifungal shampoo may be effective in cleaning the affected area, but stubborn infections should be treated with oral itraconazole or topical ketoconazole cream according to medical advice.

4. Endocrine disorders

Adolescence, menstrual cycles, or stress may lead to elevated levels of androgens, stimulating sebaceous gland secretion. Diseases such as polycystic ovary syndrome can also cause stubborn acne. Adjusting daily routine and reducing stress can help improve, and it is necessary to check hormone levels and receive targeted treatment when necessary.

5. Allergic reactions

Detergents residue, skincare ingredients, or clothing materials may cause contact dermatitis, manifested as acne like rash. Changing to mild washing products and wearing pure cotton clothing can reduce irritation. Severe allergies require the use of antihistamines or weak acting hormones, but short-term use must be under the guidance of a doctor.

Long term untreated acne on the back requires attention to daily care, choosing breathable clothing and regularly changing bed sheets. Avoid scratching the affected area and use gentle cleaning products when taking a shower. Reduce the intake of dairy products and high sugar foods in diet, and maintain a regular daily routine. If the symptoms persist for more than two months or if there is extensive suppuration, it is necessary to seek timely medical attention from a dermatologist to rule out other skin diseases. Moderate exercise can help promote metabolism, but it is necessary to clean the skin promptly after exercise.