Possible Clues:

• Seaside (anag) — ailment
• Concern in the board game Pandemic
• Bad condition of seaside deplorable
• Nearly set aside dodgy complaint
• Illness making one conk out when traversing oceans?
• Pathologist’s focus
• Seaside disaster brings complaint
• Well, one is just not with it
• Prejudice, according to Lady Gaga
• One's taking tablets as told after onset of debilitating illness