Quick answer: fungal acne is a yeast infection of the hair follicles, called Malassezia folliculitis. It causes itchy, uniform small bumps, often on the chest, back, forehead or chin. Unlike common acne, it does not involve blackheads, and antibiotic acne treatments do not clear it. Antifungal washes or creams are the usual treatment, and it often returns.
Fungal acne is easy to mistake for ordinary acne. The two can even occur together. Getting the diagnosis right matters because the treatments differ.
What Fungal Acne Looks Like
DermNet describes small, uniform, itchy papules and pustules. They sit mainly on the upper back and chest, and sometimes the forehead, chin, neck or outer upper arms. Comedones, meaning blackheads and whiteheads, are absent. Cleveland Clinic adds that skin may burn or hurt as well as itch.
| Feature | Fungal acne | Common acne (acne vulgaris) |
|---|---|---|
| Cause | Malassezia yeast in the follicle | Blocked follicles with oil, dead skin and bacteria |
| Bumps | Uniform size, clustered | Mixed sizes |
| Itch | Usually itchy | Usually not itchy |
| Blackheads | Absent | Often present |
| Main treatment | Antifungals | Acne treatments, sometimes antibiotics |
What Causes Fungal Acne
Malassezia lives on healthy skin. It causes trouble when conditions favour it. Heat, humidity and sweating help it grow. Friction from tight clothing, shaving or waxing can damage follicles and let yeast in.
Antibiotics are a listed risk factor in both sources. So are weakened immunity and steroid use. DermNet also lists oil-based emollients and sunscreens that occlude the skin. It is most common in adolescent and young adult males.
Fungal Acne Treatment and Why Sources Differ
Antifungals are the main treatment. Topical selenium sulfide, econazole and ketoconazole work in most cases, though courses can be long. Cleveland Clinic suggests topicals may be tried first.
The sources disagree on oral drugs. Cleveland Clinic calls fluconazole and itraconazole the most effective options. DermNet says oral antifungals may work better, but trial evidence is inconsistent. It prefers fluconazole over itraconazole for its side-effect profile.
Oral antifungals can cause nausea, diarrhoea, stomach pain and liver problems, so they need a prescriber. Address the triggers too: change out of sweaty clothes promptly, shower after exercise and wear loose clothing. Cleveland Clinic also suggests warm compresses and avoiding the irritating cause for about a month, after speaking to a doctor.
Why Fungal Acne Comes Back
DermNet states that Malassezia folliculitis has a tendency to recur. Weekly antifungal shampoo may help prevent it. People with repeated flares may need long-term antifungal medication. A dermatologist can review the triggers periodically.
Evidence Table: Common Claims
| Claim you may see | Where it stands |
|---|---|
| Standard acne treatments clear fungal acne | Not supported. It needs antifungal treatment. |
| Antibiotics help it | Not supported. Antibiotics are a risk factor. |
| It shows as blackheads or cysts | Wrong. Comedones are absent. |
| Antifungal washes help | Supported for treatment and maintenance. |
| Tea tree oil treats it | Not supported by the sources reviewed. |
| It is cured permanently after one course | Overstated. It often recurs. |
Safety: When to See a Doctor
See a doctor for itchy breakouts that do not go away. A doctor can confirm the diagnosis with a skin scraping under the microscope or a Wood’s lamp check. Tell them about antibiotic or steroid use and any condition that lowers immunity.
Check with a doctor or pharmacist before using an antifungal if you are pregnant or breastfeeding. Stop a product that causes burning, swelling or blistering.
A yeast infection of the hair follicles called Malassezia folliculitis. It causes itchy, uniform small bumps and is often mistaken for common acne.
Fungal acne is itchy, with uniform clustered bumps and no blackheads. Regular acne is usually not itchy and has bumps of mixed sizes. A doctor can confirm with a skin scraping.
Most often on the upper back and chest. It can also appear on the forehead, chin, neck, shoulders and upper arms.
Heat, humidity, sweating, tight clothing, shaving or waxing, antibiotics, steroids, weakened immunity and occlusive oils or sunscreens.
With antifungals. Topical selenium sulfide, econazole or ketoconazole often work. Oral fluconazole or itraconazole may be prescribed for resistant cases.
No. Antibiotics are listed as a risk factor because they can allow yeast to overgrow.
Often. Weekly antifungal shampoo and trigger control may help prevent it, and repeated flares may need long-term medication.
If itchy breakouts do not go away, keep returning, or treatment for regular acne makes them worse.
Related Reading
- Blackheads around lips
- Dry itchy scalp and dandruff
- Skin rashes: common types and relief
- Exfoliation tips: how often and what to avoid
Sources
- Cleveland Clinic: Fungal acne (Malassezia folliculitis)
- DermNet: Malassezia (pityrosporum) folliculitis
Disclaimer: this article is general information and not medical advice. Speak to a doctor or dermatologist before starting antifungal medicine, especially if you are pregnant or breastfeeding.
Reviewed by: the HealthCoachJP Editorial Team | Last reviewed and rewritten: October 2026
