Medrol is a common steroid course that is given. Steroids long term (i.e. months) can lead to osteoporosis and adrenal insufficiency.
A few days is normally pretty safe. Side effects can include GI side effects such as stomach upset or nausea. Joint pain or muscle discomfort can also be part of the side-effect profile.
These considerations should be discussed with your personal physician.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
kevinmd_b