Breakouts & Pores

Fungal Acne

“Fungal acne” is not acne. Its medical name is Malassezia (or Pityrosporum) folliculitis: hair follicles inflamed by a yeast that normally lives on everyone’s skin. It causes itchy, small, same-sized bumps, usually on the upper back and chest, and it needs antifungal treatment rather than standard acne care.

Evidence reviewedNovember 13, 2026
Medical reviewDr. Abdurrahman Efem
Practical reviewMerve Akkaya
Medical nameMalassezia folliculitis
CauseOvergrowth of normal skin yeast
Key clueItchy, uniform small bumps
Usual areasUpper back, chest, forehead
Key takeaways
  • Fungal acne is Malassezia folliculitis, a yeast-driven inflammation of hair follicles, not a form of acne vulgaris.
  • Clues include strong itch, small bumps that all look the same, no blackheads, and a poor response to acne antibiotics.
  • Antifungal treatment usually helps, but the condition often returns, so a clinician’s diagnosis and a maintenance plan matter.

Overview

What is fungal acne?

Malassezia yeasts live on almost everyone’s skin and feed on skin oil. Under certain conditions they multiply inside hair follicles and trigger inflammation. That is Malassezia folliculitis, a type of folliculitis. DermNet notes it is most common in adolescent and young adult men, but anyone can get it.

It earned the nickname “fungal acne” because it looks so much like acne. A 2026 review in the Journal of Drugs in Dermatology notes it is often misdiagnosed as acne, which delays treatment and can let it persist for years. The same review raises a concern that social media has led many people to self-diagnose and use antifungals without confirmation.

The two conditions can also overlap. Fungal acne is more common in people who already have acne, and it can appear alongside other conditions linked to the same yeast, such as seborrheic dermatitis.

Common signs and patterns

What it can look or feel like

These features give context but do not confirm a diagnosis on their own.

Itch

Itching is a hallmark. True acne is not usually itchy, so an itchy breakout is a useful clue.

Uniform small bumps

Small red bumps and pustules that look alike in size and shape, rather than the mix of sizes typical of acne.

No blackheads

Comedones (blackheads and whiteheads) are not part of fungal acne. Their presence points toward acne.

Typical locations

Upper back, chest and shoulders most often; the forehead, hairline, chin, neck and upper arms can also be involved.

Causes and contributors

Heat, sweat, occlusion and antibiotics can tip the balance toward yeast.

The yeast is normal, so the question is what lets it overgrow. Known risk factors include hot, humid weather, heavy sweating, high oil production, and occlusion of follicles by thick emollients, sunscreens or tight clothing. Weakened immunity, including from oral or topical steroid use, also raises the risk.

Antibiotic use is a recognized risk factor, so fungal acne can appear, or worsen, during a course of acne antibiotics. Clinicians are advised to suspect it when apparent acne does not respond to antibiotics.

What it may be confused with

Similar-looking concerns need different decisions

Fungal acne is frequently mixed up with these conditions, and some can occur at the same time.

Acne

Has blackheads and whiteheads, spots of mixed sizes and usually little itch. It responds to standard acne treatments.

Back acne

True acne on the back and chest, which often scars. It is the condition fungal acne is most often mistaken for.

Bacterial folliculitis

Red or pus-filled bumps around hairs caused by bacteria, often after shaving or friction, and treated with antiseptics or antibiotics instead.

Steroid acne

Uniform bumps that appear after starting steroid medicines. It looks very similar, which is one reason a clinician’s assessment helps.

Bottom line

The bottom line: think yeast when it itches, looks uniform and ignores acne treatment.

Fungal acne is common, treatable and frequently missed. Antifungal treatment is the mainstay, and topical options work for most people, while oral antifungals are reserved for more stubborn or widespread cases.

Because it looks like acne, bacterial folliculitis and steroid acne, a clinician can confirm it, sometimes by looking at a skin scraping under a microscope. Once treated, it often returns, so ongoing prevention is part of the plan.

Evidence-supported options

Choose the option that matches the cause and severity

This is general education, not a personal treatment plan. Product strengths, permitted uses and prescription status vary by country.

Evidence-supported

Topical antifungal washes and creams

Antifungal shampoos and creams, such as those containing selenium sulfide or ketoconazole, are used as a body wash or applied to affected skin. DermNet notes they work in most cases.

Limit: Some are sold over the counter and others need a prescription, depending on country and strength.

Professional treatment

Oral antifungal medicine

For widespread or stubborn cases, a clinician may prescribe antifungal tablets, which may work better than topicals, although studies are mixed.

Limit: Prescription only, with possible side effects and drug interactions that need medical oversight.

Prevention

Maintenance use

Using a topical antifungal about once a week after clearing may help prevent relapse.

Limit: Recurrence is still common, and the best schedule varies between people.

Supportive care

Reduce heat, sweat and occlusion

Showering after sweating, wearing breathable clothing and choosing lighter products on affected areas address known triggers.

Limit: These habits support treatment but rarely clear an established case on their own.

Supportive skincare

A simple routine while it is being managed

Follow the plan your clinician gives you; this outline shows how treatment usually fits into a day.

During treatment

  1. Use the antifungal as directedApply your antifungal wash or cream as instructed, leaving washes on the skin for the time stated before rinsing.
  2. Keep products lightUse a light, non-occlusive moisturizer and sunscreen on affected areas rather than thick, heavy layers.
  3. Do not stack acne treatmentsAvoid adding leftover acne antibiotics or several new actives while the antifungal works.

Keeping it away

  1. Shower after sweatingShower and change soon after exercise, heat or long periods in tight clothing.
  2. Keep up maintenanceContinue any weekly antifungal routine your clinician suggests, even when skin looks clear.
  3. Watch for returnRestart treatment and check in with your clinician if the itchy bumps come back.

Common mistakes

What can make it harder to manage

  • Treating it with acne antibiotics, a known risk factor that can make it worse.
  • Self-diagnosing from social media and using antifungals for something that is actually acne or another rash.
  • Stopping treatment as soon as skin looks better, which makes early relapse more likely.
  • Layering thick, occlusive creams over affected areas, especially in hot, humid weather.
  • Staying in sweaty clothes after exercise.

When professional help makes sense

Seek assessment when the diagnosis is unclear or treatment is not working

  • You are unsure whether it is acne, fungal acne or another rash.
  • Bumps have not improved after a few weeks of antifungal or acne treatment.
  • The rash is widespread, painful, or keeps coming back despite maintenance.
  • You have a weakened immune system or take steroid or immune-suppressing medicines.
  • You are pregnant or breastfeeding and considering any antifungal medicine.

Related reading

Continue with the next useful question

FolliculitisAll the causes of inflamed hair follicles, from bacteria to shaving. Back AcneTrue acne on the back and chest and how to treat it. AcneHow acne forms and the treatments that work. Seborrheic DermatitisAnother yeast-related condition that often appears alongside it.

Editorial record

What this page knows, and what remains uncertain

Evidence summary

This page relies on DermNet, two StatPearls clinical reviews and peer-reviewed reviews from 2022 and 2026. They agree on the key clues and that antifungals are the mainstay of treatment.

Important limitations

Few high-quality trials compare treatments, and evidence for diet or ingredient-avoidance lists is minimal. Whether acne topicals such as benzoyl peroxide help is still being studied.

Financial transparency

No paid product placement or affiliate ranking is included on this foundation page.

Recommendation logic

Options run from topical antifungals and maintenance to prescription tablets, with lifestyle measures as support.

Editorial Record

Editorial status
reviewed
Medical reviewer
Dr. Abdurrahman Efem
Practical reviewer
Merve Akkaya
Last reviewed
November 13, 2026

Frequently asked questions

Short answers to common questions

Is fungal acne really acne?

No. It is Malassezia folliculitis, an inflammation of hair follicles driven by skin yeast. It looks like acne, which is why it is often misdiagnosed.

How can I tell if I have fungal acne?

Typical clues are itch, small bumps that all look the same, no blackheads, and spots on the upper back, chest or forehead that do not improve with acne treatment. Only a clinician can confirm it, sometimes with a skin scraping.

Why do acne treatments not work on fungal acne?

Many acne treatments target bacteria and clogged pores, not yeast. Antibiotic use is also a known risk factor for fungal acne, so a course of acne antibiotics can make it worse.

Can an antifungal shampoo help fungal acne?

Antifungal shampoos, such as those with selenium sulfide or ketoconazole, are commonly used as a body wash for this condition. Ask a pharmacist or clinician which is suitable and how long to leave it on.

Does fungal acne come back?

Often, yes. Recurrence is common even after successful treatment, and occasional maintenance use of a topical antifungal may help prevent it.

Is fungal acne contagious?

No. The yeast is already part of normal skin, and the condition comes from overgrowth, not catching it from someone else.

Compare and go deeper

Side-by-side comparisons and practical guides

Comparison

Fungal Acne vs Regular Acne

Itch, same-sized bumps and no blackheads point toward fungal acne; comedones and mixed spot sizes point toward regular acne.

Skin concern

Chest Acne

Chest acne is true acne on the trunk, and studies suggest about half of people with facial acne also have acne on the chest or back.

Skin concern

Heat Rash

Heat rash happens when sweat ducts get blocked and sweat leaks into the skin, causing tiny itchy or prickly bumps.

Skin concern

Scalp Acne

Scalp acne is usually scalp folliculitis, an itchy inflammation of hair follicles that often affects the front hairline.

Sources reviewed

Guidance behind this page

Sources support general editorial guidance. They do not replace regional product labels, prescribing information or personal medical assessment.

Continue exploring

Skin ConcernsReturn to the complete library. IngredientsUnderstand active and supporting ingredients before combining products. GuidesPractical how-tos for routines, sunscreen and labels. Medical DisclaimerUnderstand the limits of general skincare information.