Thanks for the query to H.C.M. Forum.
are uses only for & as an emergency cases ( life threatening conditions).
Steroids if used for long time there develops reabsorption of calcium from bones hence causes weakness of bones.
2nd side effect of fluid retention in body which develops swelling all over body hence renal impairment is there.
Other side effects are in brief as, lowers immunity, Cushing's syndrome, peptic ulceration, osteoporosis
Since you are already over weight , this will further aggravate the condition.
However for bone pain
and back pain
consult an Orthpedician and get his treatment and help.