May 22, 2023 · Eschar is dead tissue that forms over healthy skin and then, over time, falls off (sheds). It is caused by a burn or cauterization (destroying tissue with heat or cold, or another method). An escharotic is a substance (such as acids, alkalis, carbon dioxide, or metallic salts) that causes the tissue to die and fall off.

Brown recluse spiders are between 1 and 1 1/2 inches (2.5 to 3.5 centimeters) long. They have a dark brown, violin-shaped mark on their upper body and light brown legs. Their lower body may be dark brown, tan, yellow, or greenish. They also have 3 pairs of eyes, instead of the usual 4 pairs other spiders have. The bite of a brown recluse spider is venomous. This article is for …

Symptoms of anthrax differ, depending on the type of anthrax. Symptoms of cutaneous anthrax start 1 to 7 days after exposure: An itchy sore develops that is similar to an insect bite. This sore may blister and form a black ulcer (sore or eschar). The sore is usually painless, but it is often surrounded by swelling.

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Burns commonly occur by direct or indirect contact with heat, electric current, radiation, or chemical agents. Burns can lead to cell death, which can require hospitalization and can be fatal.

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An ulcer is a crater-like lesion on the skin or mucous membrane caused by an inflammatory, infectious, or malignant condition. To avoid irritating an ulcer a person can try eliminating certain substances from their diet such as caffeine, alcohol, aspirin, and avoid smoking. Patients can take certain medicines to suppress the acid in the stomach causing the the erosion of the stomach …

Learn about Venous insufficiency, find a doctor, complications, outcomes, recovery and follow-up care for Venous insufficiency.