4: Designing Drugs Last updated Save as PDF Page ID225686 4.1: Drug Design4.2: How Drugs Work4.2.1: Pain Relievers- From Aspirin to Oxycodone4.2.2: Cold and Allergy Medicines4.3: Pharmacokinetics4.4: Drugs vs. Poisons- All About the Dose4.4.1: Natural Poisons and Food Poisoning4.4.2: The Lethal Dose
