In a book all basic questions related to one of the most mass diseases of humanity are expounded in an accessible form - by a pyelonephritis. A reader knows, what pyelonephritis and why he arises| up what exist modern methods of diagnostics and treatment of this disease| that needs to be done, to warn the origin of sharp and chronic pyelonephritis| what natural remedies are applied at treatment.Contained here most reliable and modern information corresponding to authoritative recommendations of foreign and home medical associations and tested by long-term experience of author.