36 weeks pregnant extreme hip and butt pain!

Andrea • Married to my best friend 12/12/15. Had our first son, Laine, 8/24/13. Due with our second baby 10/26/16 💕
I am in incredible pain and discomfort tonight and can barely walk. (Pain scale 10) I manage a Target and think I overdid it today. I got home from work and noticed all the sudden extreme hip and sciatica (butt) pain once I stood up from sitting in our recliner for about ten minutes. It's only got worse and I am now laying in bed with a heating pad on my upper hip/butt trying not too cry... 
I've been losing my mucus plug the last week and 1/2 and this morning lost a lot more. This is my second pregnancy and I definitely didn't experience this kind of pain with my son. 
Has anyone else experienced this type of pain? I've taken extra strength Tylenol just a moment ago to help relieve some of this pain. I also should mention that I've had had bronchitis and a terrible cough the last month and the coughing today has been so bad too that my ribs just feel bruised. And I've coughed so hard that I've thrown up tonight too. 
Basically, I'm feeling super awesome :) and am ready for this baby girl to be here! 
Any tips or feedback much appreciated, thanks!

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