Mark Smith is a 27-year-old lawyer living in Washington, D.C. Only that's not his real name. Like any smart lawyer, he doesn't want clients Googling him and reading up on his stomach woes, which ...

Depending on the underlying virus, the stomach flu can cause symptoms that last for up to a few days at a time. Abdominal pain is a common symptom of stomach flu, but it’s unlikely to last beyond ...