Symptoms like crazy! Please help!

Hi everyone!
Stress levels have been super high for me lately!
For 3 months now I have been having tingling down my arm from what feels like a pinched nerve. Then 1 month ago sciatica on that same side. I have been ok with these as they aren't bothering me too bad. The scary problem started 3 days ago. Before I went to bed I did some pretty rigorous stretches for my sciatica and the next morning I woke up in panic as I felt this large hard mass in my stomach right below my belly button. I ran screaming to my husband that I had a mass but I had to pee real bad so I went to the bathroom and the lump went away. Shortly after that I started having my IC symptoms, mildly though. Burning pee and swollen bladder feeling. The hard mass was gone until the next morning when I got spit was there again but smaller this time. It went away after I peed. This morning it was not there, and I have pushed all around and feel absolutely nothing!!
Has anyone experienced this? Could it have been from stretching or from my bladder? My husband says maybe a hernia.
Any advice is so appreciated!!

 

It's possible you just pulled a muscle but you need to see a doctor first, to rule out anything like a hernia or just or infection.