What are white patches on the glans?

White patches on the glans penis may result from various causes, with common ones including vitiligo, pityriasis alba, pityriasis versicolor, and nevus anemicus. 1. Vitiligo: This is an acquired localized skin condition characterized by loss of pigment, leading to white patches of varying sizes on the skin. 2. Pityriasis alba: Also known as white scaly rash, it presents as round or oval white patches on the skin covered with fine scales. 3. Pityriasis versicolor: Caused by fungal infection, this condition results in white skin patches accompanied by itching. 4. Nevus anemicus: A congenital condition that causes pale or white skin patches with indistinct borders. It is recommended to consult a healthcare professional for an accurate diagnosis and appropriate advice. Additionally, maintaining good personal hygiene and avoiding unsafe sexual practices can help prevent sexually transmitted infections. If any symptoms occur, seek medical attention promptly to avoid delays in treatment.