Nausea is a common symptom of various illnesses, such as stomach viruses, food poisoning, or even stress, and it can significantly affect your ability to perform your job. When you’re feeling nauseated, it's important to prioritize your health and avoid spreading any potential illness to coworkers. Missing work due to nausea is a valid reason, particularly if you're unable to focus or complete tasks effectively. Let your employer know as soon as possible that you're not feeling well and will need time to recover. Depending on the cause of the nausea, rest, hydration, and light meals may help speed up your recovery. If the nausea persists for more than a day, you might consider consulting a healthcare professional to rule out any underlying issues. Taking a sick day allows you to recover without the added stress of work, ensuring that you can return feeling well and ready to be productive.