Why does nausea occur




















In some cases, nausea can be an early warning sign of a heart attack. This is more common in females , who can experience less obvious symptoms during a heart attack. Seek emergency help if someone has:. There are many potential causes of nausea. In most cases, it is not a sign of a serious illness. Many conditions that trigger nausea are treatable or temporary. Speak with a doctor about chronic or recurring nausea, as there may be ways to reduce this symptom and improve quality of life.

Many conditions can cause long-term or constant nausea. Here are some common causes, plus ways of treating it with medication and home remedies. Potential causes of nausea in the morning, aside from pregnancy, include low blood sugar, hunger, migraine, and dehydration.

Learn more about the…. What nausea feels like can vary between people and depends on the cause. Nausea is a common sign of pregnancy but is also a symptom of many other…. A look at how to get rid of nausea, a common complaint with a range of potential causes. Included is detail on physical changes to make to reduce….

Some people may not feel like eating while they are nauseated, but some foods can help settle the stomach and relieve feelings of nausea. Learn more…. What causes nausea? List of causes Infections Digestive disorders Mental health Inner ear conditions Hormones Nervous system Medications Home remedies When to speak to a doctor Summary Several conditions can cause nausea, including stress, anxiety, infections, motion sickness, and many more. What can cause nausea? Digestive disorders.

Mental health conditions. Inner ear conditions. Hormonal changes. Neurological conditions. Medication side effect. How to relieve nausea. When to speak with a doctor. Exposure to air pollutants may amplify risk for depression in healthy individuals. Costs associated with obesity may account for 3. Related Coverage. Causes of morning nausea, aside from pregnancy.

Medically reviewed by Alana Biggers, M. What does nausea feel like? Symptoms, causes, and treatments. Medically reviewed by Stacy Sampson, D. What are the best ways to get rid of nausea? Pale and nauseous at the sight of blood? Triggers such as pain, anxiety, prolonged standing, and straining to have a bowel movement can all lead to a sudden drop in heart rate and blood pressure.

Before blacking out, people can feel lightheaded and queasy, and they may have heart palpitations. Other symptoms include a clammy or sweaty feeling, ringing in the ears, or blurred or tunnel vision. This odd cascade of symptoms occurs when some trigger stimulates the vagus nerve, which controls involuntary body functions.

Beniaminovitz says. Plenty of prescription and over-the-counter medications carry nausea as a side effect. These include oral bisphosphonates for osteoporosis and injectable diabetes medicines that control blood sugar by slowing digestion. Some blood pressure drugs, antidepressants , and antibiotics can also cause nausea.

Even common pain relievers like aspirin, ibuprofen, and naproxen, known as nonsteroidal anti-inflammatory drugs NSAIDs , can cause nausea as well as a risk of erosion of the lining of the stomach and bleeding. Certain vitamins and supplements should also be taken with food to avoid queasiness. Iron and vitamin C in particular can upset your stomach. Smoking marijuana , which some people do to relieve nausea, may have the opposite effect. As marijuana has been legalized in more states, hospital emergency rooms have seen more and more cases of cannabinoid hyperemesis syndrome , a condition linked to medical or recreational pot use that causes bouts of severe nausea and vomiting.

To get our top stories delivered to your inbox, sign up for the Healthy Living newsletter. By Karen Pallarito Updated February 28, Save Pin More. These little-known causes of nausea have nothing to do with what you ate or drank. Start Slideshow. Nauseous woman regurgitating from rumination syndrome in mirror.

Credit: Getty Images. Red stethoscope forming the shape of a heart. Its website offers information about the causes and treatment of nausea. It offers information about the causes and treatment and nausea. By subscribing you agree to the Terms of Use and Privacy Policy. Health Topics. Health Tools. Reviewed: December 16, Medically Reviewed.

Whatever the cause, "nausea" is a term that describes the uneasy feeling in your stomach that means you might have to vomit , according to the Cleveland Clinic. Generally, when you are experiencing nausea, you feel sick to your stomach.

According to Stanford Health Care, other signs and symptoms of nausea include:. Two of the most common causes of nausea and vomiting are stomach flu viral gastroenteritis and food poisoning, according to Stanford Health Care.

Per the Cleveland Clinic, other common causes of nausea include:. A number of medications can also cause nausea, according to the Mayo Clinic. General anesthesia can also make you feel nauseated.

If you are undergoing cancer treatments such as radiation or chemotherapy, you have an increased risk of nausea and vomiting, according to the Cleveland Clinic. More than half of pregnant women also experience nausea. They will also look for signs of dehydration and may administer some tests, including blood, urine, and possibly a pregnancy test. But nausea can be a symptom of many other conditions. In rare cases, it can be a sign of a serious or life-threatening health issue, per the Mayo Clinic.

How long nausea lasts depends on the cause. Nausea and vomiting from stomach flu will usually start to get better within 24 hours, according to Stanford Health Care. Nausea and vomiting from food poisoning may take up to 48 hours to resolve.



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