Sores on the skin are a type of skin lesion, which are defined as an abnormal lump, bump, ulcer, sore, or colored area of the skin. They can be caused by a variety of factors, including injury, infection, or underlying medical conditions.
Common causes of sores on the skin include:
- Acne: This common skin condition causes inflamed, pus-filled bumps called pimples or zits.
- Psoriasis: This chronic skin condition causes red, scaly patches on the skin.
- Chickenpox: This viral infection causes itchy blisters that can leave sores after they heal.
- Cellulitis: This bacterial infection causes red, swollen, and painful skin.
- Bedsores: These sores, also known as pressure ulcers, develop when there's prolonged pressure on an area of the skin, often due to immobility.
- Venous ulcers: These sores are a common complication of venous insufficiency, a condition where blood flow back to the heart is reduced.
Other causes of sores on the skin include:
- Skin cancer: Some types of skin cancer can present as sores that don't heal.
- Fungal infections: These infections can cause itchy, red, and scaly sores.
- Allergic reactions: Contact with allergens can trigger sores on the skin.
- Certain medications: Some medications can cause skin irritation and sores as a side effect.
If you have a sore on your skin that doesn't heal, is painful, or is accompanied by other symptoms, it's important to see a doctor. They can help diagnose the cause of the sore and recommend the appropriate treatment.
