What Are the Causes of Nausea & Throwing Up?

Nausea and throwing up can have an array of causes, from minor illness to serious conditions. Nausea and vomiting are generally not cause for concern, but if it continues for several days, or if it's severe and you can't keep food or drinks down, a doctor's visit is in order.

Viruses

The rhinovirus (common cold) or influenza (flu) can cause nausea and throwing up, as can most any other type of virus.

Medication

Nausea and vomiting are common reactions to medications and are likely a side effect if they accompany the start of a new regimen.

Pregnancy

Morning sickness is an early indicator of pregnancy. It involves nausea with or without throwing up and can be experienced any time of day, despite its name.

Food Poisoning

Nausea and vomiting are typical reactions to bacterial infections from contaminated food, including salmonella, E. coli, lysteria, botulism, cholera, shigella and staphylococcus aureus.

Alcohol

Excessive alcohol consumption and alcohol poisoning frequently lead to nausea and vomiting.

References

• US National Library of Medicine

Resources

• The American College of Gastroenterology

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