Nurse pharmaceutical representative jobs focus on the sale and marketing of medication and other pharmaceutical products to pharmacies and healthcare providers. While closing sales is your main goal, you also educate pharmacists and medical professionals so that they know how to prescribe the products and what to tell their patients and customers. As a sales rep, you promote medications, but your duties also include answering technical questions from physicians about the medicines. In addition to following up on sales leads and selling products, your responsibilities include maintaining relationships with existing clients in hopes that they continue buying your products.