2) Sacralization - That sometimes happen, where the shape of the lumbar vertebrae is little changed and the resemble like the sacral
vertebrae.There are L1 to L5 lumbar
vertebrae after which the Sacral
Vertebrae starts.Lumbar and Sacral vertebrae have different shapes.Sometimes the L5 ,instead of resembling its shape, appears like Sacral vertebrae, so we call it as Sacralization.
I would suggest you to continue with the medicines and wait.