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You are taking Corticosteroid (Wyselone) 15 mg at present but it is not clear why this prescribed to you as if you take for long times side effects are bound to be there but there are many condition where benefit of use is more than side effects.
are necessary minimum effective dose can be determined by doctor and alternate day dose can help to minimise side effects.
As in your case dose is already tapered if possible it may be stopped and if your medical condition is like this your physiology will return to normal gradually.
is claimed to have less undesirable effects but that can be decided by your treating Physician.
Please take care of your diet and if possible continue some form of exercise to avoid excess weight gain.
Good Luck to you