EMLA Cream: How Long Does It Last? DoctorMedica EMLA Cream Dosage How Much Is Enough? Medical SPA RX Avoid spreading the cream, and cover it tightly with a dressing. If your pack doesn't include one, cling film will work well. This will prevent the cream from drying out and help Amazon.com : AneCream 4% Lidocaine Cream Topical Lidocaine Numbing Cream Over The Counter Topical Numbing Cream for Itching, Minor Cuts & Scrapes, Bug Bite & Minor Sunburn (0.5 oz 15 g) : Numbing Lidocaine Cream 5%, 6 oz Curist