What is a topical agent that masks pain messages called?

A topical agent that masks pain messages is known as a counter irritant. Counter irritants work by creating a mild irritation or inflammation in an area of the body, which can distract the brain from perceiving pain in another area. This mechanism is often applied in sports medicine to relieve muscle aches and joint pains. When applied, these agents stimulate sensory receptors in the skin, which can lead to a feeling of warmth or cooling, successfully masking the deeper pain signals.

Analgesics, while also aimed at pain relief, encompass a broader category of medications that inhibit pain perception but may not specifically involve topical applications. Anti-inflammatories target inflammation directly rather than masking pain, and anesthetics are agents that block sensation entirely, rather than creating a distracting sensation. This distinction is essential for understanding how pain management techniques may vary in their effectiveness and application.