Can ice help to reduce sciatica pain?

Sciatic pain: Yes. Ice is an excellent anti-inflammatory option. Try alternating moist heat to relax muscles and ice to reduce swelling. Physical therapy and stretching exercises are important additions to reduce the pain and prevent recurrence of the pain.

Possibly: However, it will be temporary as it takes a lot to get down into the spine which might not work. Sounds like you have a pinched nerve in your back. I would suggest seeing a pain/spine specialist to evaluate you further to evaluate what level and what can be done to treat you. There are interventional treatments besides medications and surgeries that might reduce or eliminate the pain altogether