My dog’s face is really puffy and she’s scratching at it. She also vomited. What is going on? Do I need to go to the vet? What you are describing sounds like a Type 1 hypersensitivity reaction, which ...

Dapsone is used in the treatment of infections and inflammatory diseases. The dapsone hypersensitivity syndrome, which is associated with a reported mortality of 9.9%, develops in about 0.5 to 3.6% of ...