Possible Clues:

• Rash protest mostly subdued without resistance rising
• Diarist met doctor for skin condition
• Skin ailment
• Hide problem under mat — it isn't entertaining
• Complaint maitre d' redressed, regularly wiping stains
• Taken from under mat? It isn't rash
• Skin problem that could be almost dire at times
• The German paint finish -- it is giving you a skin complaint
• Doctor met diarist to make superficial complaint
• Itch cause