Hello Ross,
If the white substance is accompanied by redness, swelling, itching, or discomfort, it could be balanitis or balanoposthitis (when the foreskin is also affected). Here’s the treatment approach for these conditions:
If you suspect balanitis or balanoposthitis, it's important to see a healthcare provider for an accurate diagnosis and appropriate treatment. You can connect with us via the HexaHealth app for personalised advice.