In rare cases, antibiotics may be prescribed to treat severe bacterial gastroenteritis ... Noroviruses are more common in adults, while adenoviruses and rotaviruses are more common in infants ...

Some E. coli infections need antibiotics—but hemorrhagic gastroenteritis is not treated with antibiotics. If you have STEC, antibiotics should not be used as they can increase risk of developing ...

In the United States, noroviruses are the single most common cause of acute gastroenteritis in adults that results in a visit to the hospital emergency department, and they are second only to ...