Welcome to Petraneks Pharmacy! We are an independent pharmacy in Libertyville, Illinois and weve been dedicated to serving the community since 1872. While we offer all the same options that any larger pharmacy would offer, we like to do things a little differently here. We do everything a little better. We pride ourselves on our outstanding customer service and we will always do whatever we can to help out our patients, which includes an outstanding delivery service. Additionally, Petraneks Pharmacy is a compounding pharmacy. We make up custom medications for people AND their pets.