Hello, I have studied your case. Methylprednisolone has more side effects then good effects for back pain so avoid it. For toe fungus take antifungal, methylprednisolone may aggravate it. Medication like methylcobalamine with muscle relaxant and analgesic will reduce pain; you can take them consulting your treating doctor. You may consult physiotherapist for further guidance. He may start TENS, or ultrasound which is helpful in your case. I will advise to check your vit B12 and vit D3 level. Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries. Take care.