The time may vary, depending on your individual health condition, the severity of your nausea, and other factors. However, IV infusions typically get to work quickly, and many people report feeling a noticeable improvement in their symptoms as early as 30 minutes after their treatment. If you’re battling nausea, don’t wait in line to see a doctor or wonder when your oral medication will kick in. We offer fast and effective mobile IV service every day, including nights and weekends, because we understand nausea can hit at any time.