Are braces better than Invisalign? Orthodontic treatments that use either braces or Invisalign are just few of the many techniques used by dental professionals in straightening the teeth of their patients. They straighten teeth to give them an ideal position, improve their look, and promote proper function.
1 Urethritis: Burning urination is often the result of urethritis, the infection of the urethra. 2  In men, urethritis can also cause penile discharge. 3  Pyelonephritis: Pyelonephritis occurs when a bladder infection spreads to the kidneys. 4  It can cause upper back and flank pain, shaking, chills, nausea and vomiting.
Pyelonephritis. Pyelonephritis is a common cause of flank pain, but its discomfort is usually described as a relatively mild dull ache rather than typical renal colic pain. Fever, chills, nausea, and vomiting are the most common symptoms, along with headache and a stiff neck.rinary calculi. Flank pain is the classic presenting symptom of urinary calculi and is the predominant cause of flank pain that occurs in the absence of fever.