Related Clues:

• Knock out, possibly
• One aspirin
• The D in FDA
• The tiresome person parking badly
• There's little money - iniquitous but that has to be swallowed
• Dose of medicine
• Maybe addictive substance
• Medicinal tablet
• Chemical used for medical reasons
• Pharmaceutical (or recreational) item
• Medical remedy
• Unpleasant person
• It may be generic
• Political leader indisposed to this type of medicine
• Hard-to-take person