Differential Diagnosis for Rash on Male Neck
- Single most likely diagnosis
- Contact dermatitis: This is a common condition that occurs when the skin comes into contact with an irritant or allergen, leading to a rash. The neck is a common area for contact dermatitis due to jewelry, cologne, or other personal care products.
- Other Likely diagnoses
- Seborrheic dermatitis: A skin condition that can cause a rash on the neck, as well as other oily areas of the body.
- Eczema (atopic dermatitis): A chronic skin condition that can cause a rash on the neck, especially in individuals with a history of allergies or asthma.
- Tinea corporis (ringworm): A fungal infection that can cause a rash on the neck, characterized by a ring-shaped lesion.
- Psoriasis: A chronic skin condition that can cause a rash on the neck, characterized by thick, scaly plaques.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Meningococcemia: A rare but life-threatening infection that can cause a rash on the neck, as well as other areas of the body.
- Lyme disease: A bacterial infection that can cause a rash on the neck, as well as other symptoms such as fever and headache.
- Syphilis: A sexually transmitted infection that can cause a rash on the neck, as well as other symptoms such as fever and swollen lymph nodes.
- Rare diagnoses
- Pityriasis rosea: A rare skin condition that can cause a rash on the neck, characterized by a herald patch followed by a secondary eruption of smaller lesions.
- Lichen planus: A rare skin condition that can cause a rash on the neck, characterized by flat, itchy lesions.
- Sarcoidosis: A rare autoimmune disorder that can cause a rash on the neck, as well as other symptoms such as fever and swollen lymph nodes.