Urticaria is the medical
name for the type of skin
lesion also known as wheals.
Urticaria is known by many names including hives
which is the most common name, "wheals", "weals", and "nettle rash" which
a type of hive or wheal.
Generally, urticaria are rounded or flat-topped
elevated lesions caused by flares of swollen skin containing an
term for "swollen with an excessive accumulation of fluid" is "edematous", although that word is not used in all medical textbooks.
They usually occur as a result of an allergic reaction and the
release of histamine. Although usually transitory, urticaria can be
a medical emergency if the lips, eyes, or tongue are affected because considerable
swelling can occur.
See also skin conditions and disorders (all on one page). This may interest students of massage, reflexology, holistic treatments of various types,
beauty therapies, and other health related courses.
Further information about skin includes the structure of skin (with diagram), an explanation of what dermatology means and includes and textbooks about dermatology.
More about skin and skin conditions: