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When you are nauseated, you may feel weak and sweaty and notice a lot of saliva in your mouth. Nausea often leads to vomiting. Most of the time you do not need to worry about nausea and vomiting, but they can be signs of other illnesses.
Two common causes of nausea and vomiting are a stomach infection and foodborne illness. Nausea and vomiting from a viral stomach infection will usually start to improve within 24 hours. Nausea and vomiting from foodborne illness may last from 12 to 48 hours.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if:
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Current as of: March 22, 2023
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine & William H. Blahd Jr. MD, FACEP - Emergency Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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