I would always tell such patients to go back to their doctor and get an examination to make sure that there is no infection or cut nerves causing your symptoms
It is very difficult to explain this thing without seeing you in person and not having done the surgery however, a local examination by another hair transplant surgeon in your area can help you to rule out any reason for the same like localised infection, etc.
If you have issues after your surgery, it is best to follow up with your doctor for a recheck. It is hard to diagnosis or tell what is going on without an examination. It is even harder without knowing the exact course of your surgery (which your doctor only knows).