Clinical Pharmacology This link opens in a new windowClinical Pharmacology is a primary drug information and medication management resource. Written by pharmacists who have been formally trained in drug information, Clinical Pharmacology provides up-to-date, peer-reviewed, clinically-relevant information on all U.S. prescription drugs, as well as off-label uses and dosage, herbal supplements, nutritional and over-the-counter products and new and investigational drugs.