Nausea causes

Nausea can be viral, reflux, migraine, medication, or pregnancy-related. A provider can prescribe anti-nausea medication and identify the cause online.

Also called: what causes nausea · constant nausea · feeling sick to stomach

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed

Get care for nausea causes online

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Seek urgent care or the ER if you have:

  • Symptoms that are sudden, severe, or rapidly worsening
  • High fever (over 103°F / 39.4°C) that doesn't respond to treatment
  • Chest pain, trouble breathing, fainting, or confusion
  • Signs of dehydration — dizziness, dark urine, unable to keep fluids down
  • Symptoms in someone who is pregnant, immunocompromised, or over 65

Conditions related to nausea causes

These conditions may be associated with this topic. They are not a diagnosis or a ranked list of causes; follow the urgent-care guidance below.

Nausea and vomiting

Nausea and vomiting is related to this topic. Its presence here does not establish the cause of nausea causes or that acute symptoms can be treated online.

Gastroenteritis / stomach flu

Gastroenteritis / stomach flu is related to this topic. Its presence here does not establish the cause of nausea causes or that acute symptoms can be treated online.

GERD / acid reflux

GERD / acid reflux is related to this topic. Its presence here does not establish the cause of nausea causes or that acute symptoms can be treated online.

Dr. Ikechukwu Ogbu, MD — Medical Director
Dr. Ikechukwu Ogbu, MD

Board-Certified · Internal Medicine · Medical Director

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