Counterirritant

Counterirritant (pronunciation: /ˈkaʊntərˌɪrɪtənt/) is a substance applied to the skin to produce superficial inflammation with the aim of reducing inflammation in deeper, adjacent structures.

Etymology

The term "counterirritant" is derived from the English words "counter" and "irritant". "Counter" is a prefix meaning against, in opposition to, while "irritant" refers to something that causes discomfort or distress. Thus, a counterirritant works against irritation.

Usage

Counterirritants are often used in analgesic and antipruritic creams, lotions, and ointments, as well as in liniments for musculoskeletal pain. They work by causing irritation or mild inflammation of the skin, distracting the brain from more severe pain or irritation in deeper structures.

Types of Counterirritants

There are several types of counterirritants, including:

Menthol: Produces a cooling sensation when applied to the skin.
Camphor: Produces a warm sensation and helps to increase blood flow.
Methyl salicylate: Also known as oil of wintergreen, it produces a feeling of warmth.
Capsaicin: Derived from chili peppers, it produces a burning sensation.

Related Terms

Analgesic: A drug used to relieve pain.
Antipruritic: A drug used to prevent or relieve itching.
Liniment: A liquid or lotion, often containing alcohol, applied to the skin to relieve pain or stiffness.
Musculoskeletal: Relating to or involving the muscles and the skeleton.

External links

Medical encyclopedia article on Counterirritant
Wikipedia's article - Counterirritant

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Counterirritant