Differential Diagnosis for Itch Over the Glans Penis
- Single most likely diagnosis
- Eczema/Dermatitis: This is a common condition that can cause itchiness over the glans penis due to irritation or allergic reactions. It's often seen in individuals with a history of eczema or allergies.
- Other Likely diagnoses
- Contact Dermatitis: This occurs when the skin on the glans penis comes into contact with an irritant or allergen, leading to an itchy reaction.
- Psoriasis: A chronic skin condition that can cause itching, redness, and scaly patches on the glans penis.
- Balanitis: An inflammation of the glans penis, often caused by poor hygiene, infections, or allergies, which can lead to itchiness.
- Lichen Sclerosus: A rare condition, but more common in uncircumcised males, characterized by thinning and whitening of the skin on the glans penis, accompanied by itching.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Sexually Transmitted Infections (STIs): Certain STIs like herpes simplex, syphilis, or genital warts can cause itching on the glans penis. Early diagnosis and treatment are crucial to prevent complications.
- Squamous Cell Carcinoma: Although rare, this type of skin cancer can present with itching on the glans penis. Prompt diagnosis is essential for effective treatment.
- Rare diagnoses
- Zoon's Balanitis: A rare condition characterized by a chronic, painless, and erosive balanitis, often associated with itching.
- Fixed Drug Eruption: A condition where certain medications cause an allergic reaction, leading to itching and lesions on the glans penis.
- Keratosis Pilaris: A condition that causes small, rough patches on the skin, which can sometimes occur on the glans penis and cause itching.