Qutenza, or capsaicin, is a prescription drug that is in the miscellaneous topical agent drug class. Qutenza is a topical patch that is applied to the skin for an hour at a time in order to treat pain in the area. Capsaicin is the chemical that is contained within chili peppers that gives these vegetables their heat. This chemical is harnessed for its pain-alleviating properties. Qutenza is not a narcotic; it is a locally acting drug. This means that drowsiness is minimal, and there will not be extreme drug interactions between Qutenza and other drugs in your system.