How to Treat Pimples with Fucidinbr The PROFESSIONAL Method to Treat Pimples with Fucidin, br Pimples occur when hair follicles and skin pores become clogged with oil and dead skin forming a plug. This plug creates an ideal environment for bacteria to grow producing a large red sore pimple. Fucidin is an antibiotic cream that kills bacteria and can help your infected pimples heal faster but when used incorrectly it can irritate your skin. While Fucidin may help treat certain types of pimples it isbr Dry your skin with a clean towel. This will make it easier to apply the medicationbr Open the tube of Fucidin cream.