Related Clues:

• Dislikable person, in slang
• Penicillin or pot
• Just what the doctor ordered, maybe
• Regulated item
• Designer ___
• Hardly the life of the party
• Disease fighter
• Psychedelic, say
• Tiresome one
• It may be hard to swallow
• Knock out
• It's taken in for treatment
• Pharma-cology topic
• Drug unit
• Tiresome sort