Fingernails should be kept short, and the undersides should be cleaned frequently with soap and water
Before clipping or grooming nails, all equipment (for example, nail clippers and files) should be properly cleaned.
Keep nails short and trim them often.Scrub the underside of nails with soap and water (or a nail brush) every time you wash your hands.
Clean any nail grooming tools before use.
In commercial settings such as nail salonsexternal icon, sterilize nail grooming tools before use.Avoid biting or chewing nails.
Infections of the fingernails or toenails are often characterized by swelling of the surrounding skin, pain in the surrounding area, or thickening of the nail.