If you are experiencing swelling after Sculptra, I would suggest SwellX tablets, massage, and Plato's Bruise Balm. Best, Dr. Karamanoukian Los Angeles
In general, I would recommend holding off on Sculptra while on steroids as it might blunt your ability to generate collagen. In your case, you have already started Sculptra, and I would not hold off on the steroids if it can help manage your back symptoms. I would delay your next...
Sculptra is more of a collagen stimulant than a filler. It is delivered in a series of treatment which over time stimulate collagen production and rejuvenate the face.