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A very common and dangerous type of skin ulcer is caused by what are called pressure-sensitive sores, more commonly called bed sores, which are frequent in people who are bedridden or who use wheelchairs for long periods. [citation needed] Other causes producing skin ulcers include bacterial and viral infections, fungal infections [6] and cancers.
Perioral dermatitis, also known as periorificial dermatitis, is a common type of inflammatory skin rash. [2] Symptoms include multiple small (1–2 mm) bumps and blisters sometimes with background redness and scale, localized to the skin around the mouth and nostrils.
Sores are not painful, but they may be itchy. Lymph nodes in the affected area may be swollen, but fever is rare. Touching or scratching the sores may easily spread the infection to other parts of the body. [12] Skin ulcers with redness and scarring also may result from scratching or abrading the skin. [citation needed]
Additionally, thyroid disorders may also be linked with inflammatory skin conditions. However, more research is needed to confirm these potential hormone-related connections. Bottom line
Ulcer (dermatology), a discontinuity of the skin or a break in the skin. Pressure ulcers, also known as bedsores; Genital ulcer, an ulcer located on the genital area; Ulcerative dermatitis, a skin disorder associated with bacterial growth often initiated by self-trauma; Anal fissure, an ulcer or tear near the anus or within the rectum
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Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
Tropical ulcer, more commonly known as jungle rot, is a chronic ulcerative skin lesion thought to be caused by polymicrobial infection with a variety of microorganisms, including mycobacteria. It is common in tropical climates .