Alloknesis
Alloknesis
Alloknesis (pronounced: al-oh-knee-sis) is a medical term that refers to the sensation of itchiness in response to light touch. It is a common symptom in various skin diseases and neurological disorders.
Etymology
The term "Alloknesis" is derived from the Greek words "allo" meaning 'other' and "knesis" meaning 'itch'. It was first used in the medical literature in the late 20th century.
Definition
Alloknesis is a type of paresthesia that is characterized by the sensation of itchiness in response to stimuli that do not typically cause itch, such as light touch or pressure. It is often associated with conditions that affect the skin or nervous system.
Causes
Alloknesis can be caused by a variety of conditions, including:
It can also be a side effect of certain medications, such as opioids.
Treatment
Treatment for alloknesis typically involves addressing the underlying cause. This may include topical treatments for skin conditions, medications to manage neurological symptoms, or changes to medication regimens.
Related Terms
- Pruritus: A general term for itchiness.
- Hyperknesis: An increased sensitivity to itch.
- Dysesthesia: A general term for abnormal sensations, such as itch or pain, that are caused by damage to the nervous system.
External links
- Medical encyclopedia article on Alloknesis
- Wikipedia's article - Alloknesis
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