This would be an ophthalmologist since he can prescribe "cures".
Because they tried to cure the plague. Doctor who cures the plague --> plague doctor.
Rhematologists are a type of doctor that diagnose and focus on non-surgical treatment of athritis and other related diseases.
A doctor is someone who heals wounds and cures dieases.
Psychiatrist
The cast of Doctor Hubbard Cures Mankind - 2012 includes: William Goss as Doctor Hubbard Michael Mallis
it has athritis
Joint pain is not always and indication of athritis. It can be a symptom to alert you that you may have athritis but is not a guarantee.
The best way to find out what some cures are for sciatia pain would be to talk to your family doctor or nursing staff.
Pediatrician or, if they are very little, neonatologist.
Normal medicines should do it if not improved then goto your doctor
athritis