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Nausea is an unsettling sensation of wanting to vomit, often accompanied by stomach discomfort, sweating, and loss of appetite. Vomiting is the forceful expulsion of stomach contents. Both can result from a wide range of causes — from infections and motion sickness to pregnancy and medication side effects — and most cases resolve with appropriate treatment.
Nausea is the unpleasant sensation of feeling like you are about to vomit. It is controlled by the vomiting centre in the brain, which receives signals from the gut, inner ear, and other parts of the nervous system. Vomiting (emesis) is the body's reflex response to expel the contents of the stomach — often triggered by toxins, infections, or inner ear disturbances.
Both are symptoms rather than diagnoses in themselves, and identifying the underlying cause is important for choosing the right treatment. Most episodes are short-lived and self-limiting, but persistent or severe nausea and vomiting require medical assessment.
Related conditions that commonly cause nausea include acid reflux and GORD, irritable bowel syndrome (IBS), and motion sickness. Nausea is also a common side effect of many medications and can be associated with migraine.
Fact: When vomiting actively, rest your gut by sipping small amounts of clear fluids. Reintroduce bland foods gradually once vomiting has settled. Eating too soon can restart the cycle.
Fact: Vomiting has dozens of causes including viruses, medication side effects, migraine, inner ear disorders, and anxiety. Food poisoning is just one possibility, and usually presents with other symptoms like diarrhoea.
Fact: Pregnancy-related nausea can occur at any time of day or night. Many women experience it throughout the day, and it's not limited to early morning despite the name.
Fact: Different antiemetics work via different mechanisms and are suited to different causes of nausea. Choosing the right one for your specific cause significantly improves effectiveness.
Fact: Bland, small, frequent meals (such as dry crackers, toast, or plain rice) can actually help settle nausea by keeping the stomach from becoming completely empty, which can worsen symptoms.
Seek urgent medical attention if any of the following apply:
Still unsure about Nausea 7 vomiting treatment?
Cyclizine works well for motion sickness and general nausea. Metoclopramide and domperidone help when nausea is related to gastroparesis or acid reflux. A prescriber can advise on the most appropriate option.
Seek urgent medical help if any of the following occurs with your vomiting; if it lasts more than 48 hours, you cannot keep any fluids down, there is blood in the vomit, you have severe abdominal pain, or you show signs of dehydration such as dark urine, dizziness, or extreme thirst. Persistent vomiting in pregnancy (known as hyperemesis gravidarum) also requires medical attention.
Persistent nausea without vomiting can be caused common conditions/scenarios such as acid reflux, IBS, anxiety, medication side effects, pregnancy, labyrinthitis (inner ear problem), or chronic conditions such as gastroparesis. If nausea lasts more than a week without an obvious cause, a medical review is advisable to identify any underlying condition.
Some anti-sickness medications are considered safe in pregnancy, including cyclizine and promethazine. Others, such as metoclopramide and prochlorperazine, are used cautiously. It is important to consult your own GP before taking any anti-sickness medication during pregnancy, as the choice depends on gestational age and severity.
Nausea is an unpleasant sensation of wanting to vomit — an uncomfortable feeling in the stomach often accompanied by sweating, dizziness, and loss of appetite. Vomiting is the forceful expulsion of stomach contents through the mouth. Nausea often precedes vomiting but can occur independently and be persist for long periods.
Yes. Anxiety activates the sympathetic nervous system, which can cause nausea, stomach cramps, and vague or general digestive upset. This is particularly common in people with generalised anxiety disorder or panic disorder. If this is the cause, treating the underlying anxiety — alongside anti-nausea medication if needed — is the most effective approach. This requires careful assessment from your own GP.
Ginger (in tea, biscuits, or capsules) has good evidence for reducing nausea, particularly in pregnancy and motion sickness. Peppermint tea, fresh air, cold water sips, and small bland meals can also help. Avoiding strong smells, greasy food, and alcohol is advisable. Acupressure wristbands (P6 point) have modest evidence for some types of nausea.
Take small sips of clear fluids every 5–10 minutes rather than large amounts at once. Oral rehydration solutions (e.g. Dioralyte) replace lost electrolytes more effectively than water alone. Avoid fizzy drinks, dairy, and solid food until vomiting has stopped for several hours. If you cannot keep any fluids down for more than 12 hours, seek medical advice.
Helpful reads related to this treatment area.
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