Urticaria (Hives)

Hives (Urticaria) Overview Hives (urticaria), also known as welts, is a common skin condition with an itchy rash of pink to red bum...

Unconsciousness, First Aid

First Aid Guide Unconsciousness is an abnormal state in which a person is not alert and not fully responsive to his/her surroundings....

Ulcer, Stasis (Venous Ulcer)

Stasis Ulcer Overview A stasis ulcer is a breakdown of the skin (ulcer) caused by fluid build-up in the skin from poor vein functio...

Ulcer, Aphthous (Canker Sore)

Overview Canker sores (aphthous ulcers), or aphthae, are the most common cause of periodic (recurring) ulcers inside the mouth and gen...