Rashes essentially are the changes in the tactile attribute and/or color of a person’s skin. A skin rash is also termed as skin inflammation, skin redness, erythema, rubor or skin lesion.
Types of Rashes
There are different types of rashes. Each type of rash has its own corresponding consistency, shape and size. The different types of rashes are:
- Macule – a non-palpable rash that causes skin discoloration
- Patch – A macule about 1 centimeter in size
- Papule – A type of palpable rash raised less than a cm
- Plaque – A broad papule raised less than a cm
- Blister or vesicle – Skin rash raised less than a cm on the level of the epidermis filled with fluid with a translucent thin wall.
- Bulla – a vesicle raised > a centimeter above skin level
- Pustule – A vesicle filled with pus
- Crust – A skin lesion filled with fluid (dried blood or skin lesions) that looks bumpy, flat or rough. It looks yellowish, brown or red and sheds off the skin within days or weeks
- Verruca or Wart – A skin growth from the epidermis shaped like a cauliflower
- Nodule – A growth in the skin that feels solid and is palpable raised less than a cm. It can develop below the skin or above skin level
- Induration – A skin hardening that is localized
- Lichenification – A skin hardening that is palpable and visible. This is a symptom of chronic eczema
- Maceration – A wet raw skin rash
- Erythema – A localized red rash caused by congestion or dilation of the skin capillaries
- Eczema – A localized red rash filled with crusts and vesicles and looks scaly
- Urticaria or Hives – An itchy raised red patchy or bumpy rash that is a symptom of an allergic reaction
- Weal – A skin bump that appears during a skin allergy test that is a reaction to an injected allergen
- Angioedema – Hives combined with swelling affecting the deep layers of the skin
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