Leg sores can arise from trauma, infection, tumors, or chronic medical conditions. Any process of inflammation or tissue damage can manifest as a sore on the leg. Leg sores may affect primarily the skin or can extend into the subcutaneous tissues, muscles, bone, and deeper structures of the leg. Depending upon the exact cause, they may be associated with
- ulceration, and
Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.
Pictures, Images, Illustrations & Quizzes
Bad Bugs: Identify Bug Bites From Mosquitos, Spiders and More
What do bed bug bites look like? See spider bite pictures and learn how to identify bug bites from mosquitos, bees, bed bugs,...
Picture of Allergic Contact Dermatitis
A red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign....
Picture of Allergic Contact Dermatitis (Arm)
Allergic contact dermatitis (reaction to temporary tattoo). Contact allergy to temporary tattoos has become an increasingly...
Picture of Allergic Contact Dermatitis (Tattoo)
Contact allergy to temporary tattoos has become an increasingly common phenomenon. See a picture of Allergic Contact Dermatitis...
Picture of Bedbug Bites
The first sign of bedbugs may be red, itchy bites on the skin, usually on the arms or shoulders. See a picture of Bedbug Bites...
Picture of Fire Ant Bites
The fire ant sting typically causes red hive-like lesions that burn and itch. See a picture of Fire Ant Bites and learn more...
Picture of Flea Bites
Some people are very sensitive to flea bites -- but scratching can cause a wound or infection. See a picture of Flea Bites and...
Picture of Leg
In popular usage, the leg extends from the top of the thigh down to the foot. See a picture of the Leg and learn more about the...
Picture of Nickel Contact Dermatitis
The development of an itchy eczematous eruption near the umbilicus is virtually pathognomonic for contact dermatitis to nickel....
Picture of Nickel Contact Dermatitis from Necklace
Allergy to nickel is one of the most common causes of contact dermatitis in children. See a Nickel Contact Dermatitis from...
Causes of Leg Sores
An allergy refers to a misguided reaction by our immune system in response to bodily contact with certain foreign substances. ...
Boils (Skin Abscesses)
A boil is a skin abscess, a collection of pus localized deep in the skin. There are several different types of boils. Among them...
Bug Bites and Stings
Bug bites and stings have been known to transmit insect-borne illnesses such as West Nile virus, Rocky Mountain spotted fever,...
Burns (First Aid)
Burn types are based on their severity: first-degree burns, second-degree burns, and third-degree burns. First-degree burns are...
Contact dermatitis is a rash that occurs after exposure to an irritant. It can be allergic. Symptoms include a red, elevated rash...
Cuts, Scrapes and Puncture Wounds
Cuts, scrapes, and puncture wounds are common, and most people will experience one of these in their lifetime. Evaluating the...
Diabetes (Type 1 and Type 2)
Diabetes is a chronic condition characterized by high levels of sugar (glucose) in the blood. The two types of diabetes are...
Eczema refers to skin inflammation. There are many different types of eczema that produce symptoms and signs that range from...
Folliculitis is a skin condition that causes small red bumps to form around the hair follicles. Skin bacteria such as...
Impetigo is a contagious skin infection caused by staph and strep bacteria. There are two types of impetigo: nonbullous and...
Melanoma is a type of skin cancer which begins in skin cells called melanocytes and affects more than 53,600 people in the United...
Peripheral Neuropathy (Causes, Symptoms, Treatment Medications)
Peripheral neuropathy is a problem with the functioning of the nerves outside of the spinal cord. Symptoms may include numbness,...
Peripheral Vascular Disease (PVD Symptoms, Signs, Causes, Treatments)
Peripheral vascular disease (PVD) refers to diseases of the blood vessels (arteries and veins) located outside the heart and...
Psoriasis is a long-term skin condition that may cause large plaques of red, raised skin, flakes of dry skin, and skin scales....
The term "ringworm" or "ringworms" refers to fungal infections that are on the surface of the skin. A physical examination of...
Skin cancers occur when skin cells undergo malignant transformations and grow into tumors. The most common types of skin cancer,...
Varicose vein: A dilated (widened) tortuous (twisting) vein, usually involving a superficial vein in the leg, often associated...
Vasculitis (Symptoms, Causes, Diagnosis, Treatment, Types)
Vasculitis (arteritis, angiitis) is a general term for a group of uncommon diseases which feature inflammation of the blood...