Differential Diagnosis for Bilateral Hand Rash
Single Most Likely Diagnosis
- Contact Dermatitis: This is the most likely diagnosis due to the common exposure of hands to various irritants and allergens, leading to an immune response and subsequent rash.
Other Likely Diagnoses
- Eczema (Atopic Dermatitis): A common skin condition characterized by dry, itchy, and inflamed skin, often affecting the hands.
- Psoriasis: An autoimmune condition that can cause red, scaly patches on the hands, especially on the palms.
- Dyshidrotic Eczema: A type of eczema that specifically affects the hands and feet, causing small, itchy blisters.
Do Not Miss Diagnoses
- Toxic Epidermal Necrolysis (TEN): A life-threatening condition that can cause widespread skin necrosis and detachment, often triggered by medications or infections.
- Staphylococcal Scalded Skin Syndrome (SSSS): A condition caused by staphylococcal toxins that can lead to widespread skin blistering and peeling.
- Keratomycosis (Fungal Infection): A fungal infection that can cause a severe and potentially sight-threatening infection if left untreated.
Rare Diagnoses
- Pompholyx: A rare condition characterized by the formation of small, itchy blisters on the hands and feet.
- Keratoderma: A group of rare genetic disorders that can cause thickening of the skin on the hands and feet.
- Leopard Syndrome: A rare genetic disorder that can cause skin, hair, and eye abnormalities, including a rash on the hands.