Now, nothing is going to stop you! You have the peace of mind that you will be protected with Polvos de Sulpha wherever you decide to have your next adventure. This OTC medication, Polvos de Sulpha, was created to prevent infection in minor cuts, scrapes, and burns because it can help you inhibit the growth of invading bacterias or microorganisms. Our over the counter antibiotic is a must in every first aid kit!