This is a list of lists of cities in Europe. Lists of countries includes countries that fall to at least some extent within European geographical boundaries according to certain definitions.
Quick Answer. Pain in the upper right side of the back can be caused by numerous problems, including muscle strain, poor posture, pressure on the spinal nerves or a fracture of one of the vertebrae, according to WebMD. Myofascial pain and osteoarthritis are other causes.
The most common culprits of severe pain on the right side are gallbladder issues, which would be felt in the upper right quadrant of the abdomen, and appendicitis, which is felt in the lower right quadrant. Both of these warrant immediate medical attention.