DOSAGE definition: 1. the amount of medicine that you should take at one time: 2. the amount of medicine that you…. Learn more. A dose is the amount of a substance administered at one time, while dosage refers to the frequency and size of doses over a period. A dose is the amount of a drug taken at one time, while dosage refers to how often and how long you'll take the drug for. Following guidelines for dose and dosage can ensure you get effective treatment. Practice unlimited randomized dosage calculations with step-by-step dimensional analysis solutions. IV drip rates, weight-based dosing, unit conversions, reconstitution, and safe dose range problems. This is a comprehensive dosage calculation review for nursing students. In this review we will start by working basic metric conversions and then progress to solving more complex dosage calculations. Understanding the difference between dose or dosage is simple but important. A dose refers to a single amount taken at one time, while dosage describes the full plan or system of taking medicine over a period. Strengthen your mastery of dosage calculations and clinical decision-making with these related guides. Each article builds on the skills you learned here and helps you move confidently through increasingly complex medication math. Learn about classification and definitions of different types of dosage forms with examples. The meaning of DOSAGE is the addition of an ingredient or the application of an agent in a measured dose. If you’re an adult with obesity, or overweight and at least one weight-related medical problem, here’s what to know about taking the once-daily Wegovy® pill, along with a reduced-calorie diet and increased physical activity, to help you lose weight and keep it off. How do I take Wegovy® pill?.