Apologies in advance if you're reading this — you or a loved one probably aren't feeling the best. Nausea is a common health symptom that, in most cases, can be treated at home, according to the Mayo Clinic. But if your symptoms don't get better after 24 hours, you're experiencing dehydration or are also feeling abdominal pain, you should seek medical attention, University of Maryland School of Pharmacy professor Cherokee Layson-Wolf, PharmD, tells USA TODAY.