answered question 4/11/2010 What Would Cause A Dog's Mouth And Gums And Paws And Ears To Turn White When They Were Pink. Then The Dog Died After She Was Given A Steroid Shot To Boost Red Blood Cells. Could The Steriod Cause Her To Die Or Was She Already Ill Being All Pale? Hi my dog has had blood tests and all is fine she has just finished a two week stint on antibiotics for her red gums . Finished 10 days ago but the gums are still very bright pink/red what could cause this