Why Do Toenails Have Cracks?

In normal circumstances, both toenails and fingernails have a smooth surface. Observing nails can often reveal insights into one's physical health. It is common to find cracks in toenails, and many people have experienced this. However, it is generally overlooked by many as they believe it to be of no significant concern. In reality, nails can reflect a person's physical health, and it is essential to take cracks in toenails seriously and address them promptly to avoid worsening conditions.

Cracks in toenails are often attributed to a lack of essential micronutrients. It is recommended to undergo a micronutrient test at a hospital and supplement accordingly based on the results. It is essential to maintain a balanced diet, consume plenty of fruits and vegetables, and maintain a positive mindset.

2.1 White bands are characterized by horizontally parallel white stripes that often appear in pairs. This can be caused by chemotherapy or may be related to decreased serum albumin, which may indicate chronic liver disease, malnutrition, nephrotic syndrome, or glomerulonephritis.

2.2 If you notice changes in the angle of your nails, with some areas reaching angles greater than 180 degrees, this could be a sign of chronic disease threats to your body. Possible indications include chronic lung disease with hypoxia, cardiovascular disease, liver disease, inflammatory bowel disease, and infectious poisoning.

2.3 Horizontal indentations are the result of nail damage or a temporary halt in growth due to various reasons such as high fever, trauma, chemotherapy, malnutrition, or drug allergies. They may indicate peripheral vascular disease, diabetes, or zinc deficiency.

2.4 Concave nails refer to the appearance of horizontal and vertical stripes as well as spots on the nails. Traditional Chinese medicine suggests that such changes in nails are closely related to decreased organ function, destruction, and atrophy of tissue structures.