Sciatica pain so bad !!

Steffi • Have 3 amazing children. 2yrs-14yrs . X
Hi I'm 34 weeks now and sciatica pain has got so bad I can't get rest. Have a bump brace and crutches. Sickness has returned. Feeling low. Any miracle cures?? Have been trying cold and hot compress and exercises. No idea how I'm gonna cope with work. Thanks x