An antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn.n antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn.
Thigh Pain (Definition) The thigh is the upper part of your lower extremity between your hip and knee. Any pain within this region could be considered thigh pain. Possible diagnosis include fractures, stress fractures, muscle contusions or strains, referred pain from the back and hip to name only a few.
Now when we look for the differences between back pain and kidney pain based on the area of their spreading, we can say back pain spreads to back of the thigh, buttock, calf, foot and also the toes in one or both the feet. While kidney pain usually spreads to the lower abdomen, inner thigh etc.