Possible causes of finger head bone protrusion include infection, rheumatoid arthritis, gout, osteochondroma and so on.
1. Infection: If the finger protrusion is accompanied by fever, swelling, pain and other symptoms, it may be a bacterial infection such as Staphylococcus aureus.
2. Rheumatoid arthritis: If there are bony protrusions on the fingers of both hands, accompanied by symptoms such as morning stiffness, pain and difficulty in moving the fingers, it may be rheumatoid arthritis.
3. Gout: If you prefer animal offal, seafood and other foods in your diet, localized protrusions on your fingers, accompanied by swelling, pain, fever and other symptoms, may be caused by local urate deposition, which is a common symptom of gout.
4. Osteochondroma: If there is a bony protrusion on the finger, but there is no obvious pain and swelling, it may be osteochondroma, which is a benign bone tumor.
There are more causes of bony protrusions on the fingers, if the symptoms continue to be unrelieved, it is recommended to consult a doctor in time to clarify the cause of the disease and carry out targeted treatment.