Differential Diagnosis for Severe Itching in Armpit Area
Single Most Likely Diagnosis
- Eczema (Atopic Dermatitis): This is a common condition characterized by itchy, inflamed skin. The armpits are a common area for eczema to occur, and symptoms can worsen with heat and sweating.
Other Likely Diagnoses
- Contact Dermatitis: This is a type of skin inflammation caused by contact with irritants or allergens, such as deodorants, soaps, or fabrics. The armpits are a common area for contact dermatitis to occur.
- Fungal Infections (Intertrigo): Fungal infections can cause itching, redness, and inflammation in the armpits, especially in warm weather.
- Sweat Gland Disorders (Hyperhidrosis): Excessive sweating can lead to itching, irritation, and skin infections in the armpits.
- Keratosis Pilaris: This is a harmless condition that causes small, rough patches on the skin, which can be itchy and worsen with heat.
Do Not Miss Diagnoses
- Lymphoma: Although rare, lymphoma can cause itching, especially if it involves the lymph nodes in the armpits.
- Hodgkin's Disease: This is a type of lymphoma that can cause itching, fever, and weight loss.
- Thyroid Disorders: Certain thyroid conditions, such as hyperthyroidism, can cause itching and skin changes.
Rare Diagnoses
- Darier's Disease: This is a rare genetic disorder that causes skin lesions and itching, especially in the armpits and groin area.
- Hailey-Hailey Disease: This is a rare genetic disorder that causes blistering and itching in the skin folds, including the armpits.
- Grover's Disease: This is a rare skin condition that causes itching, redness, and small bumps on the skin, especially in the armpits and groin area.