Pharmacology Essentials

Overview of Pharmacology

• Introduction to Pharmacology
• The Promise of Pharmacology in Human Health and Disease

Pharmacology and Therapeutics

• Drug Modalities
• Therapeutic Approaches
• Small Molecule Drugs
• Biologics
• The Cardiovascular System
• Routes of Administration
• Improving Drug Delivery
• Application: Insulin Delivery

Pharmacokinetics

• Overview of Pharmacokinetics
• Absorption and Bioavailability
• Distribution
• Volume of Distribution
• Drug Metabolism
• Clearance
• Drug Elimination
• Interactive: Visualizing Volume of Distribution
• Clinical Linkage: Anesthesia in the Operating Room

Pharmacodynamics

• Drug Targets and Action
• Drug Action at Receptors
• Pharmacodynamic Representations
• Drug-Receptor Binding
• Dose-Response Curves
• Drug Responses
• Inhibitors
• Application: Opioid Potency

Wrap-up

• The Future of Pharmacology

This course builds on foundational science by exploring complex concepts through engaging biomedical visualizations, clinical applications, and real-world scenarios. To fully benefit from the material, we recommend prior knowledge of basic biology and chemistry. 

Pharmacology Essentials introduces key pharmacologic concepts, including how drugs interact with targets, dose–response relationships, pharmacokinetics and pharmacodynamics, and major drug classes. It focuses on ideas essential for understanding therapeutic decision‑making and adverse effects.

Highlights include concise explanations of core principles, visualizations that clarify PK/PD concepts, and clinical examples that show how pharmacology guides prescribing. The course is designed as a targeted introduction rather than an exhaustive pharmacology curriculum.

This course is designed for health care professionals and industry staff who need to strengthen their understanding of pharmacology, especially those in non‑prescribing or non‑research roles who interact with drug information and clinical data.

Pharmacology Essentials is a good fit if you use drug information in your work—such as in nursing, allied health, medical affairs, product management, or clinical operations—but have not completed a full medical school pharmacology course. It is especially helpful if you need to interpret prescribing information, understand side effects and interactions, or communicate pharmacologic concepts to colleagues or clients.

Typical learners include nurses, pharmacists, and pharmacy technicians, health professionals in training, and industry professionals in roles such as medical affairs, sales, marketing, and clinical research support. Many have basic biology and physiology knowledge and want a structured, clinically focused introduction to pharmacology.

Learners should have basic knowledge of human biology and physiology. It is appropriate for those who have not taken a full medical school pharmacology course but need to grasp core concepts.

By completing Pharmacology Essentials, you’ll gain a working understanding of how drugs act in the body and how pharmacologic principles inform dosing, safety, and therapeutic choices. This can improve your ability to interpret drug information, support clinicians and patients, and engage in scientifically grounded conversations in clinical or industry settings. You’ll also earn a Certificate of Completion from Harvard Medical School, signaling foundational training in pharmacology.

Expertise in pharmacology typically involves advanced training such as an MD/DO, PharmD, PhD, or master’s degree in pharmacology or related fields, along with research or clinical experience involving drug development, therapeutics, or clinical pharmacology. Pharmacology Essentials provides a condensed, clinically oriented introduction that can prepare you for more advanced study, support your work with pharmacologic data, or help you decide whether to pursue deeper training in pharmacology.

You should enroll in Pharmacology Fundamentals if you have limited or no knowledge of pharmacology concepts. If you have taken genetics courses before and need to refamiliarize yourself with essential pharmacology knowledge, Pharmacology Essentials may be better for you.

Pharmacology Essentials is a 10‑week, online, instructor‑paced course with an estimated commitment of about 1–2 hours per week, plus a final exam at the end of the course.

Your progress throughout the course will determine your eligibility for a Certificate of Completion from Harvard Medical School. Earning a certificate requires significant effort; learners must complete all course material by the course end date in order to qualify.

You can bundle up to five courses. Bundle discounts apply to all courses selected. A bundle can consist of courses in the same upcoming enrollment period or the following enrollment period. Bundle-eligible courses include HMX and HealthXcelerate. 

Two-course bundle: 25% discount 
Three-course bundle: 30% discount 
Four-course bundle: 35% discount
Five-course bundle: 40% discount

View all bundle-eligible programs.

Limited program fee assistance is available for participants who qualify. To apply, please submit a request via the fee assistance request form or email learn@hms.harvard.edu for more information.