Left side and back pain. has lasted for a week. no diarrhea. no nausea. blood pressure top number normal bottom number high. what's going on doc?

How is your: Urine? Any problems? How is your kidney function? Do you have a history of kidney stones? Hope you are drinking lotsa fluids?

Strain: Lumbar strain could cause your symptoms with muscle spasms on the side. Pain can elevate blood pressure too. However, there are other causes of your symptoms so you should get a medical evaluation. Good luck.