Extinction _____. only happens above the species level cannot happen to more than one species at a time has happened to over 99% of species that ever lived on earth happens when a species or population dies out.
Nivolumab is also used to treat advanced renal cell carcinoma (RCC, a type of cancer that begins in the cells of the kidneys) that worsened after treatment with other chemotherapy medications. Nivolumab is in a class of medications called monoclonal antibodies.
Macrobid (nitrofurantoin) is an antibiotic that fights bacteria in the body. Macrobid is used to treat urinary tract infections. Macrobid may also be used for purposes not listed in this medication guide.