What causes lower right back pain?

im 18 and this morning i woke up and my back and my right testicle was hurting pretty bad and then this after noon i went to go pee and all of a suddin i started to get light headed and then all the pain from my back just went to me testicle

I've had these symptoms for a few weeks now. I went from 20/20 vision to not being able to see the tv guide, signs on the road to stuff right in front of me. It comes and goes. I have been under a lot of stress lately.

I have had this hurt pain in the back of the right side of my neck for a while. Now it seems to be getting worse when I turn my head it's a sharp pain from the middle of the back of my head to my neck. Also if I touch the back of the middle of my head...

I just had an inguinal hernia operation in my left side one month ago and been ZERO with my sex life for 3 weeks after the operation. i felt better by then so i tried to do it with my partner but i felt a pain in my lower right groin area during and...

Begins with burning pain in right back of neck, then progresses to right eye. Eye will feel as though it is rupturing from the pain. Lights, sounds, movements...everything seems to ...show more

I have very intense lower right stomach pain. It is much worse upon standing and very painful upon standing after voiding. I know its not appendicitis because three of my children have had ruptured appendices so I know what to look for there. I do not...

had a urinary tract infection about 3 weeks ago, took antibiotics for few days but stopped as they were giving me stomach cramps. got better but digestion was never quite the same as before....then suddenly over weekend got severe pain in groin and lower...