QUTENZA is a topical patch used for the management of neuropathic pain associated with postherpetic neuralgia (PHN), which is the pain following healing of the rash associated with shingles. The active ingredient in QUTENZA is capsaicin, a compound derived from chili peppers that can produce a sensation of warmth or burning by activating specific nerve receptors. When applied to the skin, QUTENZA works by desensitizing the pain-sensing nerves in the area, thereby reducing the pain signals sent to the brain. This medication is typically recommended for use in adults and is applied by a healthcare professional in a clinical setting due to the potential for causing irritation or burning sensations on the skin.