White nails, or leukonychia, are partially or entirely white. Trauma, anemia, dietary deficits, heart or renal illness, or poisoning can cause white skin.
Nails that are primarily white with darker edges may indicate hepatitis. This image shows jaundiced fingertips, another liver problem indication.
Nails that are blue may indicate low oxygen levels. This may imply emphysema. Some heart disorders are linked to bluish nails.
Rippled or pitted nails may indicate psoriasis or inflammatory arthritis. Nail discoloration and reddish-brown skin are prevalent.
Dry, brittle nails that break or split are connected to thyroid disorders. Cracking or breaking with a yellowish color indicates fungus.
Chronic paronychia causes nail fold and tissue redness, discomfort, and swelling. Candida albicans, other disorders, or psoriasis can cause it, usually irritants or allergens. Commonly, topical steroids work.
Melanin causes melanonychia, a nail darkening. Infection, damage, and skin cancer are probable reasons.
Biting your nails may be a habit, but it may signify anxiety that needs treatment. Nail biting and picking are linked to OCD. Talk to your doctor if you can't stop.