Lotrimin® AF Powder Spray for Jock Itch. Goes On Dry. Antifungal. Miconazole nitrate. Clinically proven to cure most jock itch. Relieves itching, burning, scaling & chafing. Bayer. This formula is not sold to any retailer as a private label or store brand. Uses: Proven clinically effective in the treatment of most jock itch (tinea cruris). For effective relief of itching, burning, scaling and discomfort, and chafing associated with jock itch. Questions 1-866-360-3226. Bayer, The Bayer Cross, Lotrimin, and Lotrimin Man's Torso design are registered trademarks of Bayer. ©2015 Bayer.