Differential Diagnosis for Sore Under Breast
- Single Most Likely Diagnosis
- Intertrigo: This is the most likely diagnosis due to the warm, moist environment under the breast, which is prone to friction and fungal or bacterial infections, leading to inflammation and soreness.
- Other Likely Diagnoses
- Breast abscess or mastitis: These conditions can cause soreness under the breast if the infection spreads to the surrounding tissue.
- Eczema or dermatitis: Skin conditions like eczema or dermatitis can cause soreness, redness, and itching under the breast.
- Folliculitis: Inflammation of the hair follicles under the breast can cause soreness and small bumps.
- Do Not Miss Diagnoses
- Inflammatory breast cancer: Although rare, this aggressive form of breast cancer can cause soreness, redness, and swelling under the breast, and it is crucial not to miss this diagnosis.
- Lymphoma: Some types of lymphoma can cause soreness under the breast due to lymph node enlargement.
- Tuberculosis or other granulomatous infections: These infections can cause chronic soreness and inflammation under the breast.
- Rare Diagnoses
- Actinomycosis: A rare bacterial infection that can cause chronic soreness and abscesses under the breast.
- Hidradenitis suppurativa: A chronic skin condition that can cause soreness, abscesses, and scarring under the breast.
- Lipoma or other benign tumors: Although usually painless, these tumors can cause soreness under the breast if they become large or inflamed.