Balanitis Checker

Balanitis is inflammation of the glans — the head of the penis. It's very common and usually shows up as redness, soreness, itching, or swelling of the head, sometimes with a rash, shiny patches, or a discharge or smell under the foreskin. When the foreskin is inflamed as well, it's called balanoposthitis. It's most common in people who have a foreskin, because the warm, moist skin underneath is where it tends to start. Despite where it happens, balanitis often isn't an infection you catch or pass on — many cases come from a yeast overgrowth, an irritant like a soap, or simply not drying underneath. It's a treatable problem, not something to feel embarrassed to have looked at.

Several things, and a clinician's job is to work out which. The most common infectious cause is a yeast (candida) overgrowth, which brings itch, shiny red patches, and sometimes a white discharge. Irritants are another big cause — harsh or perfumed soaps, shower gels, or vigorous washing can inflame the skin, and it settles once the trigger is removed. Not drying thoroughly under the foreskin lets moisture and skin cells build up. A tight foreskin (phimosis) makes cleaning underneath harder and flares more likely. Sometimes the cause is a sexually transmitted infection, which is why testing matters if you're sexually active. And occasionally — especially when it keeps coming back — balanitis can be an early sign of undiagnosed diabetes, because higher blood sugar makes yeast more likely.

No — and it's built not to. It reads a symptom pattern and reports whether that pattern fits, partly fits, or doesn't clearly fit balanitis, so you know whether it's worth a clinician's look. It can't examine you, take a swab, or tell you the cause — and it never says you do or don't have balanitis. Many conditions cause a red or sore glans, and telling them apart usually needs a look and sometimes a simple swab. Take a match as a good reason to book a visit, and a 'doesn't clearly fit' result as reassuring on this quick check but not a way to rule anything out.

It depends on the cause, which is exactly why a clinician's look helps. A clinician (your GP, a sexual health clinic, or a urologist) will examine the head of the penis and often take a quick swab to identify what's behind it. If it's a yeast, an antifungal cream usually clears it; if it's an irritant, switching to gentle washing with warm water and avoiding harsh or perfumed soaps — and drying thoroughly underneath — often does the trick; sometimes a short course of a steroid or antibiotic cream is used. Good hygiene plus the right cream sorts most cases. If a tight foreskin or repeated episodes are part of the picture, a clinician can talk through longer-term options.

One situation needs care right away: if the foreskin has been pulled back behind the head and gets stuck there — it won't slide forward again — while the head becomes swollen and painful. This is called paraphimosis and it's a urologic emergency, because the trapped foreskin can cut off circulation to the head. Go to an emergency room or call your local emergency number now. Other signs that need urgent care: the head turning dusky, purple, or dark; being unable to pass urine; or a spreading area of redness with a fever and feeling very unwell. A merely tight foreskin that you can still leave forward (phimosis) is not the emergency — the emergency is one stuck in the pulled-back position.

Yes. This checker runs entirely in your browser. Your answers are read on your own device and are never sent to a server, saved, or shared — close the tab and they're gone. It's general educational information based on CDC STI treatment guidance, MedlinePlus, and StatPearls; it can't diagnose you, isn't an exam or a swab, and doesn't replace a visit to a licensed clinician.