Why are your fingernails getting bigger and rounder?

Finger nails become bigger and rounded may be caused by physiological factors such as long-term friction and extrusion, excessive calcium intake, or pathological factors such as onychomycosis and pestle finger.
1. Physiological factors: such as long-term friction and extrusion of the fingers by some hard objects, will make the fingers slightly deformed, the phenomenon of nails become larger and rounded. There are also patients with long-term large intake of calcium elements, will also make the nail development abnormal, deformation, finger nails become large and rounded phenomenon.
2. Onychomycosis: Onychomycosis is a kind of nail fungus disease, the fungus invades the nails and causes the nails to turn yellow and thicken, thus making the fingernails bigger and rounder.
3. Pestle finger: pestle finger is most often associated with lung disease or cardiovascular disease, such as interstitial pulmonary fibrosis, lung abscess, cyanosis congenital heart disease, etc., when suffering from pestle finger, the end finger will be pestle-shaped, bulging mallet, the end of the knuckles will be significantly widened and thickened, resulting in the symptom of finger nails become bigger and rounded.
Fingernails can also be caused by other reasons, such as the exclusion of physiological factors, you should consult a doctor in a timely manner, and under the guidance of the doctor for targeted treatment.