Hi, this is Dr Mathur from Fortis C Doc Hospital, New Delhi. welcome to practo. As far as your toe is concerned, did you have an injury or the problem started on its own. How long has problem been? Is there any fever, loss of weight or appetite? Is only one toe involved or many and which one? Any other medical problems that u have? Any other joints painful? Get the following blood tests if not done already: HB, TLC, DLC, ESR,
CRP,
vitamin D levels, Anti CCP. Revert back with investigations report.