A. Q: What is nausea and vomiting? A: Nausea is the feeling of wanting to vomit, and vomiting is the process of throwing up the stomach contents. These two symptoms may occur together. But sometimes only the feeling of nausea without vomiting, or sometimes vomiting occurs but without the feeling of nausea. Q: What factors can cause nausea and vomiting? A: Common factors include: 1. Food poisoning: This may happen if you eat spoiled food, mainly because you have an infection in your stomach. Infection can sometimes cause diarrhea, and sometimes an infection in the gastrointestinal tract can lead to nausea and vomiting at the same time. 2, dizziness and motion sickness: This may occur if you are on a boat, car or some other moving vehicle; it may also be seen when there is a problem with your ears that affects your balance. 3. Medications: Many different medications can cause nausea and vomiting. Examples include antidepressants, antibiotics, vitamins, birth control pills and painkillers. Patients undergoing cancer treatment or anesthesia may also experience nausea or vomiting. 4. Pregnancy: Many pregnant women experience nausea or vomiting, a phenomenon known as “early pregnancy reaction”. Gastroesophageal reflux disease (GERD): GERD is the reflux of gastric juices into the esophagus, a tube that connects the throat to the stomach, a condition that sometimes causes nausea. 6.Stomach or intestinal problems: When the stomach or intestines cannot transport food properly and intestinal obstruction occurs, it can also cause nausea or vomiting. 7.Migraine: Some migraine patients will have nausea when they have a headache. 8.Alcohol: Drinking large amounts of alcohol can cause nausea and vomiting. C. Q: Do I need to see a doctor or nurse? A: Contact your doctor or nurse if your symptoms last longer than 1-2 days or are severe, or if you have the following: chest pain or abdominal pain, vomiting blood or something like coffee grounds, bloody stools, black stools, tarry stools, temperature over 38.3°C, severe headache or neck stiffness, feeling tired or having trouble getting up, signs of dehydration. Signs of dehydration include: 1, feeling tired; 2, dry mouth; 3, muscle cramps; 4, dizziness; 5, confusion; 6, relieving dark yellow urine, or no urine for more than 5 hours. Q: What can I do to make myself feel better? A: You can: hydrate more try to eat, but start with foods that have a lot of liquid in them, such as soup, jelly or popsicles. If eating these foods does not cause problems, try softer, lighter foods such as plain yogurt. Some high-sugar foods such as bread or cookies can help calm your stomach. Some people find that eating ginger can help curb nausea. You should avoid foods with lots of fats and oils, which can make nausea symptoms worse. If your symptoms come back after eating contact your doctor. Avoid strong smells, such as perfume If there are no contraindications, take your medication with meals. But first check the medicine bottle, because some medicines need to be taken on an empty stomach.