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Common Discoloration from Acne

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Common Discoloration from Acne: Post Inflammatory Erythema, Post Inflammatory Hy Via Unsplash

Commonly confused as scarring, pigmentation change is often observed during and following the healing of acne lesions. Patients can experience three common types of pigment change: post inflammatory erythema (which appears as pink and purple regions around acne lesions), post inflammatory hyperpigmentation (the presence of brown or black regions around acne lesions), and post inflammatory hypopigmentation (white marks in the area healed acne lesion). These conditions are caused by the damage of acne inflammation, but will usually heal naturally, whereas scarring remains a permanent condition.

Post inflammatory erythema is caused by congestion of capillaries in the lower layers of the skin. Inflammation from acne can cause this congestion and certain acne medications and treatments can exacerbate the condition. As with most pigment changes caused by acne lesions, post-inflammatory erythema should resolve (although the recovery period can be quite long). In serious conditions, medical attention should be sought. Treatment can include antibiotics for the infection and antihistamines for the itching, as well as non-steroidal anti-inflammatory drugs and aspirin. Topical corticosteroids can be used, as can burrow’s compresses, which can also help reduce irritation. A diet rich in certain antioxidants (such as vitamins B6, C, D, and E) can help reduce the incidence of erythema.

Post-inflammatory hyperpigmentation is an overproduction of pigment (melanin) as a response to damage. Injury to the skin, caused by bacteria infection and irritation of the acne lesions, stimulates an inflammation reaction that affects the immune cells and melanocytes. Epidermal melanocytes are stimulated to increase the production of melanin. The increased supply of melanin is spread to surrounding keratinocytes, possibly leading to epidermal hypermelanosis. The pigmentation change, visible as brown or black discolorations in the vicinity of acne lesions, results from the increased production of melanin. Should the condition become serious and require treatment, there are several options. Treatment of hyperpigmentation focuses on restoring proper pigment to affected cells.

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.



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