Possible causes of large fingertips include physiologic and pathologic causes such as onychomycosis and rheumatoid arthritis.
Physiological causes of large fingertip belly, such as long-term engagement in heavy physical activities with hands, channel with hands such as baseball, volleyball, etc., resulting in frequent stimulation of the skin of the head of the finger, the muscle is more abundant.
Pathological factors are most commonly caused by local infections, such as onychomycosis, local inflammation will lead to redness, swelling, heat, pain and other symptoms, occasionally accompanied by purulent material outflow, common causative organisms are Staphylococcus aureus, Streptococcus pyogenes, etc., and it is recommended to go to the hospital as soon as possible for antimicrobial treatment.
Rheumatoid arthritis is an aggressive arthritis that occurs in hands and feet, and can be accompanied by joint mobility disorders.
It is recommended to consult the hospital and standardize the examination and treatment.