I have severe pain in the lower right back (between spine and side) and just above the buttock area. centralized and not radiating.  temp relief with heat or specific body positon (one not normally comfortable in).  Area about the size of my fist.  I have had it for several days now.  No other symptoms that I know of.  Worried could be kindey issue.  I have BP controlled with meds, and being monitored for increasing glucose numbers for fasting.
Hi sir/madam, Thanks for your question on Chat Doctor. Possible causes are:-1. Kidney Stones.2. Obstructive Myopathy.3. Pyelonephritis.4. Costco Chat Doctor. 5. Polycystic Kidney Disease.6. Urologic Diseases.7. Appendicitis.8. Bladder Cancer. Consult your doctor for further treatment. Hope this was helpful. Have a healthy day.