I've been struggling with sciatica for quite a while now and aside from physical therapy and exercise, these are the things I use to help with the pain
For Sciatica Relief
Heat Massagers For Backs
When I’m being stubborn, I just use this
Icy Hot: Shop All - Amazon.com
There is really no comfortable position when sciatica flares up but this pillow helps a whole lot
U Shaped Pillows For Sleeping - Amazon.com
I spend my time mostly seated in front of my desk and this helps a lot
Sparthos Back Brace for Lower Back Pain
I use these bands for exercise
Exercise Bands - Prime Eligible - Amazon.com
Great heat massager
Zyllion Shiatsu Back and Neck Massager with Heat - 3D Electric Kneading Deep Tissue Massage Pillow for Muscle Pain Relief, Black, ZMA-13