Nodular Acne

Nodular Acne — a severe form of acne requiring early treatment

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• Personalised treatments to reduce deep inflammation
• Early intervention to prevent permanent scarring
• Over 15 years of clinical experience
• More than 10,000 patients successfully treated

Take control of nodular acne with professional care before it causes lasting damage.

What is Nodular acne?

Nodular acne is one of the most severe forms of acne vulgaris, involving the deeper layers of the skin [1]. Unlike typical pimples that remain closer to the surface, nodules form beneath the skin’s surface and are often larger, firmer and more painful. The term nodule comes from the Latin word nodulus, meaning “small knot.” These lesions are usually more than 1 cm in size, feel hard to the touch and may persist for weeks or even months.

Because nodular acne affects the dermis and subcutaneous tissue, it often lacks a visible “head,” which makes it more difficult to treat with over-the-counter remedies. If left untreated, the inflammation and pressure caused by these lesions can damage the skin structure, leading to permanent scarring.

What are the key features of nodular acne?

Nodular acne has distinct characteristics that set it apart from milder forms of acne. These features make it more persistent, painful, and more likely to cause long-term skin damage if left untreated.

• Size and depth — nodules are larger and extend deeper into the skin compared to typical pimples, often involving the lower dermis and subcutaneous tissue.

• Pain and inflammation — due to their depth and severity, nodular lesions are usually tender, inflamed, and can cause discomfort even without being touched.

• Duration — nodular acne tends to last much longer than surface-level acne, often persisting for weeks or months. Without treatment, lesions may leave scars or dark marks once they heal.

• Scarring risk — because of the intense inflammation and tissue damage beneath the skin, nodular acne carries a higher risk of permanent scarring compared to other acne types [2].

• Common locations — while nodules can appear anywhere on the body, they are most frequently found on the face, neck, chest and back, where oil glands are more active.

What causes nodular acne?

The exact cause of nodular acne is not completely understood, but research shows that it arises from a combination of genetic, hormonal, and environmental factors. These factors contribute to excessive oil production, clogged pores, bacterial growth, and inflammation deep within the skin, leading to painful nodules.

Key contributing factors include:

• Genetics — a family history of severe acne increases the likelihood of developing nodular acne [3]. Genetic factors can influence oil gland activity, skin cell turnover, and inflammatory response, all of which play a role in acne severity.

• Hormonal fluctuations — changes in hormone levels, particularly androgens, can stimulate excess sebum (oil) production [4]. This is why nodular acne often worsens during puberty, menstrual cycles, pregnancy, or conditions such as polycystic ovary syndrome (PCOS).

• Bacterial activity — the bacterium Cutibacterium acnes (C. acnes), which naturally lives on the skin, can multiply within clogged pores and trigger an inflammatory response, leading to deeper and more painful lesions [5].

• Medications and drugs — certain drugs, including anabolic steroids, corticosteroids and medications like etanercept, can aggravate or trigger severe acne in some individuals [6].

• Dietary influences — diets high in refined carbohydrates, sugary foods, dairy products or whey protein supplements have been linked to acne flare-ups in some studies, though more research is still needed to confirm these associations [7].s

• Other factors — stress, improper skincare and environmental irritants may worsen existing nodular acne by promoting inflammation and hormonal imbalance.

Nodular acne is rarely caused by a single factor. Instead, it usually develops from a combination of underlying predispositions and external triggers, which is why personalised treatment is essential for effective long-term control.

Am I at risk of scarring from nodular acne?

Yes, nodular acne carries a much higher risk of scarring compared to milder forms of acne. Because these nodules develop deep within the skin, the intense inflammation can rupture the follicle wall and damage surrounding tissue. This damage triggers collagen breakdown, leading to the formation of indented (atrophic) scars that may be permanent if not treated early.

Scars from nodular acne can appear as depressions, pitted marks or irregular skin texture. The longer inflammation persists, the higher the chance of long-lasting marks. Seeking prompt medical treatment not only reduces pain and swelling but also significantly lowers the risk of permanent scarring.

Nodular acne vs. cystic acne — what’s the difference?

Nodular acne and cystic acne are both severe forms of acne that develop deep within the skin, but they differ in important ways:

• Nodular acne — firm, inflamed lumps that develop without pus. They feel hard, painful and remain under the skin for weeks or months.

• Cystic acne — softer, fluid-filled lesions that contain pus. They are often tender to touch and may release discharge when inflamed.

• Nodulocystic acne — a combination of both nodules and cysts within the skin, considered one of the most severe acne types and often requiring specialist care.

Feature	Nodular Acne	Cystic Acne	Nodulocystic Acne
Lesion type	Firm, inflamed lump	Soft, pus-filled lump	Mix of nodules and cysts
Presence of pus	No	Yes	Yes, in cystic components
Pain	Deep, persistent, often severe	Tender, throbbing, can be severe	Combination of both
Scarring risk	High	High	Very high
Common duration	Weeks to months	Weeks to months	Long-lasting, recurrent

 

Can I pop my nodular acne?

 

Why should I get treated for nodular acne?

Nodular acne is more than just a skin concern; it can have wide-ranging effects on both physical and emotional well-being. The pain, inflammation and risk of scarring are significant, but the impact often extends into daily life, affecting confidence and quality of life.

Areas that may be affected include:

• Emotional well-being and self-esteem
• Social interactions and relationships
• Leisure and lifestyle activities
• Work and school performance
• Sleep and daily routines

Studies show that severe acne can have an impact comparable to chronic conditions like asthma, psoriasis and arthritis [8].

Seeking professional care for nodular acne not only reduces inflammation and prevents scarring, but also helps restore confidence and improves overall quality of life. Treating the condition early allows patients to feel better about themselves and engage more fully with the world around them.

Nodular Acne Treatment

The primary goals of treating nodular acne are to reduce inflammation, control pain and swelling, prevent new breakouts and minimise the risk of permanent scarring. Because nodular acne is a severe form of acne, it often requires a comprehensive and personalised treatment plan. Early medical care is key to achieving lasting improvement and protecting long-term skin health.

Treatment options may include:

• Topical Medication — prescription-strength creams or gels, such as retinoids, benzoyl peroxide and topical antibiotics, may be used to target inflammation and bacteria. These treatments also help unclog pores, reduce blackheads and whiteheads, and serve as part of a long-term maintenance regimen.

• Cortisone Injections — for rapid relief, corticosteroid injections can be administered directly into inflamed nodules. This treatment can significantly reduce pain and swelling within 2–3 days. While effective for symptomatic relief, cortisone injections are usually combined with other therapies for long-term control.

• Oral Medication — systemic treatments are often necessary for moderate to severe nodular acne. Options include:

• Antibiotics to reduce bacterial activity and inflammation.

• Hormonal therapies (such as oral contraceptives or anti-androgens) for women with hormonally driven acne.

• Oral isotretinoin (Accutane), which is FDA-approved for severe, treatment-resistant acne. Since 1982, isotretinoin has been recognised globally as the most effective option for recalcitrant nodular acne, particularly when scarring or psychological distress is present [9]. Your doctor will carefully discuss the risks, benefits and monitoring requirements before starting this treatment.

• Incision & Drainage — in rare cases, a nodule may transform into an abscess filled with pus. A minor incision and drainage procedure may be performed to relieve pressure, remove pus, and reduce discomfort. This is only considered when necessary and is always done under sterile conditions to prevent further complications.

Takeaway Message

Nodular acne is a chronic inflammatory condition that can persist into adulthood and often leaves permanent scars if not properly treated. With early and appropriate medical care, however, symptoms can be brought under control, skin health restored and the risk of scarring greatly reduced. Seeking treatment not only improves the appearance of your skin but also boosts confidence and overall quality of life.

Nodular Acne Treatment Price in Singapore

The cost of nodular acne treatment in Singapore varies depending on the severity of the condition, the type of therapy required, and the duration of care. At Apax Medical & Aesthetic Clinic, we provide transparent pricing to help you make informed decisions.

Treatment	Price (from)
Oral antibiotics	$30
Topical retinoids	$40
Oral isotretinoin	$80
Steroid injections	$120
Drainage of cysts	$150
Laser acne treatment	$399

Please note: Costs may vary depending on the complexity of the case and whether combination treatments are recommended. A personalised consultation will help determine the most suitable and effective plan for your skin condition.

Schedule a Consultation for Nodular Acne Treatment in Singapore

At Apax Medical & Aesthetic Clinic, we provide comprehensive care for acne and acne scars at both our Woodlands and Kovan branches. Dr. Ng will work with you to create a personalised treatment plan that addresses your skin condition effectively and safely.

Take the first step towards clearer, healthier skin — schedule your consultation today.

Frequently Asked Questions About Nodular Acne

We treat a range of acne and acne scars at both our clinics in Woodlands and Kovan. Contact us today to schedule a consultation, so that Dr. Ng can develop a individualized treatment approach for resolving your skin care concerns and helping you to achieve long-term improvements in the health and appearance of your skin.

References:

1. Leung, A. K., Barankin, B., Lam, J. M., Leong, K. F., & Hon, K. L. (2021). Dermatology: How to manage acne vulgaris. Drugs in Context, 10, 2021-8–6. https://doi.org/10.7573/dic.2021-8-6 
2. Xu, W., Sinaki, D. G., Tang, Y., Chen, Y., Zhang, Y., & Zhang, Z. (2024). Acne-induced pathological scars: Pathophysiology and current treatments. Burns & Trauma, 12, tkad060. https://doi.org/10.1093/burnst/tkad060 
3. Liu, L., Xue, Y., Chen, Y., Chen, T., Zhong, J., Shao, X., & Chen, J. (2023). Prevalence and risk factors of acne scars in patients with acne vulgaris. Skin Research and Technology, 29(6), e13386. https://doi.org/10.1111/srt.13386 
4. Elsaie, M. L. (2016). Hormonal treatment of acne vulgaris: An update. Clinical, Cosmetic and Investigational Dermatology, 9, 241–248. https://doi.org/10.2147/CCID.S114830 
5. van Steensel, M. A. M., & Goh, B. C. (2021). Cutibacterium acnes: Much ado about maybe nothing much. Experimental Dermatology, 30(10), 1471–1476. https://doi.org/10.1111/exd.14394 
6. Voelcker, V., Sticherling, M., & Bauerschmitz, J. (2010). Severe ulcerated ‘bodybuilding acne’ caused by anabolic steroid use and exacerbated by isotretinoin. International Wound Journal, 7(3), 199–201. https://doi.org/10.1111/j.1742-481X.2010.00676.x 
7. Ryguła, I., Pikiewicz, W., & Kaminiów, K. (2024). Impact of diet and nutrition in patients with acne vulgaris. Nutrients, 16(10), 1476. https://doi.org/10.3390/nu16101476 
8. Fabbrocini, G., Cacciapuoti, S., & Monfrecola, G. (2018). A qualitative investigation of the impact of acne on health-related quality of life (Hrql): Development of a conceptual model. Dermatology and Therapy, 8(1), 85–99. https://doi.org/10.1007/s13555-018-0224-7 
9. Del Rosso, J. Q. (2023). Rationale for use of micronized isotretinoin for treatment of acne vulgaris: Practical considerations and therapeutic advantages. The Journal of Clinical and Aesthetic Dermatology, 16(9), 20–24. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10503933/