Related Clues:

• Pruritus
• It could cause some head scratching
• Calamine target
• Rash problem
• Nagging desire
• It may cause one to scratch one's head
• Restless yearning
• Target for nails
• Nails' target, sometimes
• Cast wearer's problem
• Seven-year phenomenon
• Reason to scratch one's head
• Uncomfortable feeling
• Result of an insect bite
• Sumac souvenir, perhaps