my nephrologist says that I have acidosis.  I take 2 sodium bicarbonate twice daily.  I do not know anything about this condition.  my creatinine and my nephrologist says that I have acidosis.  I take 2 sodium bicarbonate tablets twice daily,  my creatinine and my nephrologist says that I have acidosis.  I take 2 sodium bicarbonate tablets daily;  my creatinine and bun are also elevated,  can you help me understand acidosis?

Summarized question: What is acidosis?