Diprospan injection is a combination of betamethasone sodium phosphate and betamethasone dipropionate. Like all the brands of betamethasone injectables, it is a corticosteroid anti-inflammatory. It works by reducing the inflammation and swelling that is putting pressure on nerves and causing pain. It can be used for numerous indications including joint injections, gouty arthritis, inflammatory skin lesions and many other problems that are responsive to corticosteroids. Actually it is good if you take vitamin b along with this. It will help for the nerves as well your body state to be in a active mode. As well if you are taking any other multi vitamin and multi mineral is also fine. Once you must check with physiotherapist for some more exercises to strengthen your spine and improve your muscle stamina. Because treating just a pain will not be useful you have to treat the cause of pain. So here physiotherapist can hive you some treatment as well exercise for strengthening, stretching and twisting which will improve your condition over all. Hit the thanks if its useful. Take care.