Flat fingernails can be caused by malnutrition, trauma, disease and genetic factors.
1. Malnutrition: mainly due to malnutrition, lack of trace elements and other causes, can lead to abnormal function of the nail matrix cells, nail growth and development is affected, and then appeared in the case of flat nail cover.
2. Trauma: trauma to the nail cap or nail bed can lead to nail extrusion or injury, nail repair and growth can also appear flat nail cap performance.
3. Disease factors: abnormal thyroid function, iron deficiency anemia, coronary heart disease, fungal infections, lichen planus and other diseases can lead to flat nails.
4. Genetic factors: flat nails can also be caused by genetic factors, mainly for autosomal dominant inheritance, usually manifested as a familial morbidity.
If you have flat fingernails, you should consult a doctor as soon as possible. Under the guidance of a specialized doctor, you can actively carry out appropriate treatment to help alleviate the symptoms as soon as possible.