I have gone through your question and appreciate 
Your concern. 
First don't neglect your helth.
Consult orthopaedic spine specialist 
And Get examined if required 
Mri of spine 
Should be done to rule out any pathology.
For pain in abdomen do usg of abdomen.
General measures which will help u are
Avoid bending forward and lifting heavy Weights. 
Hot fomentation thrice a day. 
Local 
Analgesic gel for local application 
Muscle relaxants and analgesics will help you. 
After relief of pain muscle Strengthening exercises 
Will help u strengthen your back muscles. 
Bed rest and lie on hard bed.
Thanks 
U can write me back for any query.