Nausea
Nausea is the unpleasant feeling that you might vomit. It is common and often short-lived, but the pattern, accompanying symptoms, and ability to keep fluids down help determine the right next step.
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Independent clinical validation is pending.
Quick Reference Facts
In simple words
Nausea is the sensation of feeling sick to your stomach or as though you may vomit. You can have nausea without vomiting.
Nausea is a symptom rather than one diagnosis. A brief, familiar episode may settle, while severe, repeated, unexplained, or worsening nausea can need assessment for its cause and for dehydration.
Common Causes
- A stomach or intestinal infection, food poisoning, reflux, indigestion, or another digestive condition
- Motion sickness, migraine, pain, anxiety, or changes in the inner-ear balance system
- Pregnancy, a medicine or treatment, alcohol, cannabis, or another substance
- A health condition that needs assessment, such as a blockage or an abdominal, metabolic, or neurological problem
Clinical Red Flags
Seek urgent medical attention at an emergency department or primary care clinic if you present with any of the following symptoms:
- Seek emergency care now for blood or coffee-ground material in vomit, severe or sudden abdominal pain, severe headache with a stiff neck, chest pain, confusion, fainting, or difficulty breathing.
- Seek urgent medical advice if you cannot keep fluids down, have signs of dehydration such as very little or dark urine, are vomiting repeatedly, or symptoms are worsening.
- Get prompt medical advice for nausea in pregnancy, in young children or frail older adults, after a head injury, or alongside diabetes, kidney disease, cancer treatment, or immune suppression.
Lifestyle & Diet Support
For a familiar mild episode, take small frequent sips of fluid, rest, and choose bland food only when you feel able. Avoid forcing large meals, alcohol, and strong smells if they worsen symptoms. A short diary can note meals, travel, medicines, headache, bowel changes, and what helped. Ask a pharmacist or clinician before using medicines, especially during pregnancy or for a child.
Frequently Asked Questions
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Differential Diagnosis Matrix
The timing matters: nausea after a meal, with diarrhoea, with headache or vertigo, during travel, after a medicine change, or in pregnancy suggests different possibilities. A clinician may ask about pain, vomiting, fever, bowel or urine changes, pregnancy, medicines, travel, and exposures.
Reference Citations & Evidence Sources
Clinical Reviews & Textbooks
- CIT-0129Clinical Review pending verification
- CIT-0130Clinical Review pending verification
Clinical Connections
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All content on the Homeo Healthcare platform is strictly for educational purposes and is not personal medical advice, diagnosis, or treatment. Homeopathic remedy considerations are provided for clinician review or require individualized consultation with a qualified physician. Never delay seeking professional medical advice or emergency medical care due to content you have read on this website.