Norovirus is a highly contagious virus that can cause severe vomiting, diarrhea, and stomach cramps. While most cases resolve on their own within a few days, dehydration is a serious complication that can occur if the body loses too many fluids. In some cases, oral rehydration isn’t enough, and IV fluids may be necessary to prevent serious health risks. So, how do you know when dehydration from norovirus requires IV treatment? Keep reading to ...