@reets70 @martiesowers @kmb181 @ellegeee and others with experience using methylprednisolone may have some thoughts or experience they can share with you.

Here's more detailed information on long term use if that helps.
"Long-term methylprednisolone administration has been associated with the suppression of the hypothalamic-pituitary-adrenal (HPA) axis (a complex interactive signaling and feedback system involving the hypothalamus, the pituitary gland, and the adrenal glands). Suppression of this axis can result in corticosteroid insufficiency - where natural corticosteroid levels are no longer adequate to maintain vital bodily processes - after the withdrawal of treatment. For this reason, moderate-to-long-term methylprednisolone therapy should be withdrawn gradually."
--- Methylprednisolone: 7 things you should know: https://www.drugs.com/tips/methylprednisolone-patient-tips.

I would still discuss long term use with your doctor or a possibly a pharmacist.