Post-Inflammatory Erythema (PIE)

Written By: Dr Robert Ong (MBBS).
Last updated: Oct 29, 2024.

What Is Post-Inflammatory Erythema (PIE)?

Post-Inflammatory Erythema (PIE) is a skin condition characterised by pink or red marks that appear after inflammation, often following acne. It is more prevalent in individuals with lighter skin tones (Fitzpatrick skin types I-III) and can persist for months or even years if not treated. The lasting appearance of PIE can impact self-esteem and confidence, highlighting the importance of timely treatment for both skin health and emotional well-being.

Post-Inflammatory Erythema (PIE) Treatment consultation from $35 to $65. Book your appointment easily with our friendly staff through WhatsApp. We will respond within 2 business days.
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Causes of Post-Inflammatory Erythema (PIE)

Young Asian woman experiencing post-inflammatory erythema (PIE) due to acne.

Unlike scars or pigmentation changes, PIE results from damage to small blood vessels beneath the skin’s surface, causing visible redness. Some common causes include:

  • Acne Vulgaris: Inflammatory acne lesions, like pustules or cysts, are a major cause of PIE.
  • Skin Injuries: Scratches, cuts, or wounds that cause inflammation can lead to PIE.
  • Other Inflammatory Skin Conditions: Conditions like eczema, rosacea, and dermatitis can trigger erythema.
  • Treatments: Procedures such as microdermabrasion or laser treatments can cause PIE if the skin isn’t properly protected during healing.

Symptoms of Post-Inflammatory Erythema (PIE)

Young Asian man with post-inflammatory erythema (PIE) on his face due to acne.
Young Asian woman experiencing post-inflammatory erythema (PIE) on her back.
Young Asian man with post-inflammatory erythema (PIE) on his face due to acne.

PIE presents as flat red, pink, or sometimes purple spots in areas previously affected by acne or inflammation. These spots may be sensitive, worsen with heat or sun exposure, and can persist for months without treatment. While PIE doesn’t cause bumps or scarring, its persistence can lead to psychological distress.

Post-Inflammatory Erythema (PIE) vs. Post-Inflammatory Hyperpigmentation (PIH)

Both PIE and Post-Inflammatory Hyperpigmentation (PIH) result from inflammation but differ in cause and appearance. PIE presents as red or pink spots from capillary damage, common in lighter skin tones. PIH appears as brown or dark spots due to excess melanin, more common in darker skin tones (Fitzpatrick types IV-VI). PIE results from vascular damage, while PIH is pigmentation-related, and both can coexist, particularly in acne cases.

How to Prevent Post-Inflammatory Erythema (PIE)?

Young Asian woman applying moisturiser and sunscreen to prevent post-inflammatory erythema (PIE).

Preventing PIE largely involves controlling the initial inflammation and avoiding further irritation to the skin. Key prevention strategies include:

  • Avoid Picking or Squeezing: Picking at acne lesions or scratching inflamed skin can worsen PIE by further damaging the capillaries.
  • Gentle Skincare: Use mild, non-irritating cleansers and moisturisers to support the skin’s healing process.
  • Treat Acne and Inflammatory Conditions Early: Prompt treatment of acne or other skin conditions such as eczema can reduce the chances of developing PIE.
  • Sun Protection: Daily use of a broad-spectrum sunscreen (SPF 30 or higher) helps protect the skin and prevent worsening erythema.

How to Prevent Post-inflammatory Erythema (PIE)?

PIE may fade naturally over time, but for those seeking faster resolution, several treatment options can effectively reduce redness and speed up recovery:

Treatment Options Description
Topical Treatments Moisturisers and steroids are used to manage inflammation and soothe the skin, aiding in the improvement of PIE. Moisturisers help restore the skin barrier and maintain hydration, while steroids reduce redness and inflammation, promoting faster recovery.
Light and Laser Treatment For advanced PIE, light treatments such as Intense Pulsed Light (IPL) can be effective in reducing symptoms. For deeper, more persistent cases, the Q-switch laser is effective for treating vascular lesions.
Sun Protection While sunscreen does not directly treat PIE, it is crucial in preventing it from worsening. UV exposure can dilate blood vessels and make redness more pronounced, so daily sunscreen use is essential for those with PIE.

PIE Treatment: Before and After Photos

Owing to the regulations of The Ministry of Health (MOH), we are unable to publish before and after photos on our website. However, you may view these photos during your consultation with our doctor to understand more about the treatment you seek.

Why Choose Dr Robert Ong's PIE Treatment in Singapore?

The Medical Aesthetics Track Record

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Patients Consulted Since 2002

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Years of Experience

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Experienced & Friendly Doctor

Dr Robert Ong listens attentively to your concerns and patiently discusses with you the appropriate treatment options, based on over 20 years of medical and aesthetics experience.

Affordable Treatments

We are priced competitively and affordably. We also have a variety of treatment options depending on your budget and requirements.

Safe & Effective Results

Our treatment options are safe, effective and promotes natural healing for your skin. We strive to keep your experience a comfortable one and will minimize any pain or discomfort, if any.

Cost of Post-Inflammatory Erythema (PIE) Treatment

At Medical Aesthetics, we provide treatment for PIE with the prices as follows:

Treatment Price*
Consultation From $35 to $65
Moisturisers
O’cera Moisturiser From $18
TDF Quick Recovery Cream From $36
Ceradan Advanced Moisturiser From $50
Steroid Cream
Gentriderm Cream From $12
Elomet Cream From $18
Desowen Lotion From $26
Laser Treatment
Q-Switched Laser From $250 / session
Intense Pulsed Light From $250

*Prices are NETT.

1. All patients are required to undergo a consultation with our doctor to assess his or her suitability for the relevant treatment(s).
2. If you are keen on skin tightening treatments, feel free to talk to our doctor at Medical Aesthetics to let us best understand your concerns.
3. Our Toa Payoh clinic is located a sheltered 3 minutes walk away from Toa Payoh MRT, conveniently located in Central Singapore.

Conclusion: Effective Solutions for PIE

Post-inflammatory erythema (PIE) is a common condition that occurs after skin inflammation or acne, resulting in pink or red marks caused by damaged blood vessels. While it primarily affects individuals with lighter skin tones, its persistence can be distressing, making prevention important. While PIE may naturally fade over time, those seeking faster improvements can consider professional treatments, including targeted topical solutions and light or laser therapies. Start your journey to clearer skin by scheduling a consultation with us today!

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Frequently Asked Questions

PIE can be treated with topical products like niacinamide or azelaic acid, and laser therapies such as Pulsed Dye Laser (PDL) or Intense Pulsed Light (IPL) for more severe cases. At Medical Aesthetics, we offer various treatments for PIE. Contact us for more information or to book a consultation.

Yes, PIE can fade naturally over time, but it may take several months to years depending on its severity and how well the skin is cared for. Treatment can accelerate the healing process.

Effective treatment for PIE often involves laser therapy, especially Pulsed Dye Laser (PDL), which targets blood vessels. Topical treatments such as niacinamide and azelaic acid can also help reduce redness.

PIE is not permanent but can take time to fade. Without treatment, it may persist for months or even years.

Vitamin C may help reduce redness and inflammation, but it is not the most effective treatment for PIE. Topical treatments, light, and laser therapies are more targeted and effective for treating PIE.

Sun exposure, skin irritation, and picking at the affected area can worsen PIE. It's essential to use sunscreen and avoid aggravating the skin.

Light and laser treatments like Pulsed Dye Laser (PDL) or Intense Pulsed Light (IPL) could provide quicker results. Using anti-inflammatory topicals such as niacinamide may also help.

Regular use of sunscreen, following a gentle skincare routine, applying topical anti-inflammatory products, and undergoing laser treatments can help accelerate the healing of PIE.

PIE can take several months to over a year to fully fade, depending on its severity and whether treatment is used.

Vitamin C can help reduce redness and support skin healing, but it is less effective than topical treatments like niacinamide or light and laser therapies for PIE.

Salicylic acid is more effective for treating acne and exfoliating the skin but is not a primary treatment for PIE.

Ice can reduce temporary inflammation and redness but does not treat PIE directly.

Products containing niacinamide, azelaic acid, and gentle moisturisers are beneficial for calming inflammation and reducing redness in PIE.

Yes, niacinamide is effective for reducing redness and inflammation associated with PIE.

PIE appears as red or pink spots caused by blood vessel damage, while PIH shows as brown or dark spots caused by excess melanin production.

PIE can take several months to over a year to fade, depending on severity and the treatments used.

PIE typically fades within several months to a year, though this can vary based on the individual’s skin and whether treatment is pursued.