Differential Diagnosis for Rash on Neck of 45 yo Woman
- Single most likely diagnosis
- Contact dermatitis: This is a common condition that can occur when the skin comes into contact with an irritant or allergen, such as jewelry, soap, or lotion, which can cause a rash on the neck.
- Other Likely diagnoses
- Eczema (atopic dermatitis): A chronic skin condition characterized by dry, itchy, and inflamed skin, which can occur on the neck.
- Psoriasis: An autoimmune condition that can cause red, scaly patches on the skin, including the neck.
- Seborrheic dermatitis: A condition that causes a red, itchy rash on oily areas of the body, such as the neck.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Lyme disease: A bacterial infection transmitted by tick bites, which can cause a distinctive rash on the neck, known as erythema migrans.
- Tuberculosis: A bacterial infection that can cause a rash on the neck, as well as other symptoms such as fever and weight loss.
- Meningitis: A rare but life-threatening condition that can cause a rash on the neck, as well as symptoms such as fever, headache, and stiff neck.
- Rare diagnoses
- Sarcoidosis: A condition that can cause inflammation and rashes on the skin, including the neck.
- Pityriasis rubra pilaris: A rare skin condition that causes a rash on the neck, as well as other areas of the body.
- Cutaneous T-cell lymphoma: A rare type of cancer that can cause a rash on the neck, as well as other symptoms such as fever and weight loss.