Yeast on the glans: recognising and tackling candida

Yeast on the glans is candida, and candida is not an STI. It is a yeast that simply lives on many people's skin and only causes complaints when conditions line up: warm, damp, and defences briefly looking away. Our STI test does not find it, because we do not look for it.

That is the short version. The long version is more interesting, because white coating does not always mean candida.

Below you will read how candida usually looks, why it keeps returning in some men, and which condition looks exactly like it while being something else entirely.

What does yeast on the glans look like?

Classically: a red glans with a white, crumbly coating under the foreskin, itching, and sometimes a burning feeling. It often smells slightly sour. The complaints sit on the skin of the glans and in the foreskin fold, not in the urethra. That last point is the practical distinction from an STI.

If your discharge comes from the urethra, you are looking at something else.

Discharge genuinely coming from the urethral opening fits urethritis better, and then chlamydia, gonorrhoea and trichomonas come into view. Our article on a burning feeling when urinating works that difference out further.

Do you get candida from sex?

Not in the classic sense. Candida is not an STI: you can get it without ever having had sex, because the yeast already lives on your skin. Sex can disturb the balance or irritate the skin, giving a dormant yeast its chance. Partners can pass candida to each other, but that is different from an STI.

The difference sits in the question "where did it come from".

With an STI there is a moment of transmission. With candida there is usually a circumstance: antibiotics that disturbed the bacterial balance, a hot week, a new soap, or a high blood sugar. So the question is not who you slept with, but what changed.

Why does candida keep coming back?

Often because the circumstance stays. An uncircumcised foreskin keeps things warm and damp, which is exactly the climate yeasts thrive in. But the most important recurring reason is one you cannot see on the glans: diabetes.

This is the part most articles skip.

A 2024 review describes diabetes mellitus as a major factor inducing immunosuppression and thereby facilitating Candida albicans skin infection (Talapko, 2024). High blood sugar weakens local defences, and yeast takes advantage. With recurring candida and no obvious trigger, blood sugar is therefore worth a conversation with your GP.

Also relevant: certain diabetes medicines that clear sugar through the urine cause genital yeast infections more often. Anyone on such a drug who keeps getting candida has no mystery, but a side effect. That too belongs with a GP, not with a testing provider.

Is it actually candida?

Not always, and this is the most important paragraph on this page. White coating on a red glans looks like candida, so an antifungal cream gets bought. But there is a chronic skin condition that looks exactly like it, attracts yeasts secondarily as well, and can cost you months if you treat it as fungal.

That condition is called lichen sclerosus.

A 2026 systematic review collected the cases where lichen sclerosus in men had been reported as candidal balanitis or another infective balanitis. The conclusion: it happens regularly, including with clinicians who do not look at it daily, partly because the inflamed skin picks up yeasts anyway so the picture keeps fitting (Kravvas, 2026). Lichen sclerosus can cause scarring and lasting damage.

The rule of thumb that follows is simple. If antifungal cream does nothing after a week, "more cream" is not the next step.

What can you do yourself?

Thuisarts.nl, the patient platform of the Dutch College of General Practitioners, keeps it to: rinse the glans a few times a day with water, without soap. If complaints do not lessen after a few days, ask your GP for advice. Leaving out soap is no detail here, because soap is itself one of the most common causes of irritated genital skin (Bunker, 2017).

What we do not do is tell you which product to use. That is your GP.

Take two men of 41 with exactly the same white coating. For one, blood sugar had been too high for 2 years and the candida kept returning because of it. For the other, nothing was wrong beyond a week on holiday somewhere hot. My point: the coating looked identical, but only for the first man did the real answer sit somewhere other than the glans.

And we do not test for candida. That is not a gap in our range, it is a different field. Our test for chlamydia, gonorrhoea and trichomonas exists for the question of whether something sexually transmissible is in play. If there was unprotected contact, that question closes with it. It does not explain your white coating.

Further reading

The full overview of causes is in balanitis. If redness is your main complaint and you are unsure of the cause, go to red glans. To read what treatment exists per cause, go to balanitis treatment.

References

• Talapko J, et al. Candida albicans skin infection in diabetic patients: an updated review of pathogenesis and management. Mycoses, 2024. PMID 38877612.
• Kravvas G, et al. Male genital lichen sclerosus misreported as candidal or other infective balanitides: a systematic review of the literature. International Journal of STD & AIDS, 2026. PMID 41026603.
• Bunker CB, et al. Skin disease of penis and male genitalia is linked to atopy and circumcision: caseload in a male genital dermatology clinic. Australasian Journal of Dermatology, 2017. PMID 27170096.
• Thuisarts.nl, Ontstoken eikel. Accessed July 2026.

Every blood test result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.