Rub iodine two to three times a day, return to the water after 15 minutes of rubbing, get more sunlight, and pay attention to water quality. Severely rotten eastern Florida diamondback turtles will lose their fingernails, and the affected area will expand and rot, with a slightly rancid odor. Eastern Florida diamondback turtles were dry-raised, and the affected area was disinfected with iodophor and then coated with chlortetracycline ointment. Soak in water for half an hour every day to feed and bask in the sun.

Prevention: pay more attention to the water quality and change the water frequently , get more sun.