A bacterial infection of the vagina can feel a lot like a yeast infection if the vulval area is itchy or painful. Unlike a yeast infection, the discharge can be dark yellow, green, or brown and it won't smell like bread, it can smell like fish or something rotting.
GERD can and does cause upper back burning sensations that can migrate down one side or both sides of the body to the legs. Sometimes pain or symptoms may occur in the chest or sternum area but not always. GERD can also cause a recurring cough and fatigue.
Sometimes upper back pain results as tissues, ligaments and bones deal with damage and fluctuating weight distribution. Certain complications, such as scoliosis, disrupt the structural integrity of the spine and cause pain. Some health challenges can aggravate the vegas nerve, which extends into the upper back. Additionally, patients may sleep in specific positions to get relief from heartburn and other maladies, thus causing back pain.