1. Pale Nails
Dry, pale nails may indicate anemia, heart failure, or liver disease. Malnutrition can also cause nails to appear pale and bloodless.
2. White Nails
If nails are mostly white with dark rings, this may signal liver issues, potentially hepatitis.If your fingertips appear yellowish while nails remain white, pay close attention and consider getting your liver checked.
3. Yellow Nails
Many people have yellow nails. Beyond acquired causes like smoking or exposure to staining substances, the most likely culprit is fungal infection.Fungal infections are the most common nail disorders. Severe infections damage the nail bed, causing nails to thicken and become brittle. In rare cases, yellow nails may indicate thyroid or lung disease, or signal diabetes or psoriasis. Whether due to infection or organ dysfunction, abnormal yellowing warrants serious attention.
4. Blue Nails
Blue nails often indicate oxygen deprivation in the body or a lung infection. In rare cases, heart disease can also cause nails to appear blue, similar to how lips may turn blue or purple during oxygen deprivation.
5. Ridged Nails
An uneven, ridged nail surface may indicate early-stage psoriasis or inflammatory arthritis. This condition is often accompanied by another symptom: the nail bed beneath the finger skin, where the nail has not yet grown out, turning reddish-brown.
6. Split Nails
If nails split into layers and turn yellow, this is often caused by a fungal infection. Peeling back the layers may reveal a yellow, powdery substance characteristic of fungal growth.If nails frequently split without yellow powder, this may indicate thyroid dysfunction.
7. Puffy Cuticles Redness and swelling around the nail bed, known as paronychia, may stem from lupus or other connective tissue disorders. Characterized by inflamed, swollen cuticles.
8. Linear Nails
If dark lines appear on the nails, seek immediate medical evaluation. These dark lines may be a precursor to melanoma or an early sign of certain skin cancers.
9. Nail Ulceration
This condition is often caused by nail-biting habits. While many view nail-biting as merely a childhood habit, it can sometimes be a subconscious warning sign indicating underlying mental health issues such as anxiety, depression, or obsessive-compulsive disorder. If nail-biting cannot be controlled, psychological therapy is recommended.