What does it mean when you having nausea and throwing up without no fever?

Nausea and vomiting, also known as "throwing up," without fever can have various causes. Here are a few possible explanations:

1. Food Poisoning: Consuming contaminated food or drinks can lead to food poisoning. Symptoms such as nausea, vomiting, abdominal pain, and sometimes diarrhea may occur. If the cause is food poisoning, the symptoms typically resolve within a few days.

2. Stomach Virus (Viral Gastroenteritis): Highly contagious viral infections, like the norovirus or rotavirus, can cause nausea, vomiting, and diarrhea. Fever is not always present with these infections.

3. Motion Sickness: Nausea and vomiting can occur due to motion sickness when traveling by car, boat, or plane. It happens because of a conflict between the signals sent from the inner ear, eyes, and muscles to the brain.

4. Morning Sickness: Nausea and vomiting are common symptoms of pregnancy, especially during the first trimester. It's referred to as "morning sickness" but can occur at any time of day.

5. Allergies and Intolerances: Certain allergies and food intolerances can trigger nausea and vomiting.

6. Medications: Some medications, such as chemotherapy drugs, antibiotics, or pain relievers, can cause nausea and vomiting as a side effect.

7. Emotional Stress: Anxiety and emotional stress can lead to physical symptoms, including nausea and vomiting.

8. Gastrointestinal Issues: Some underlying gastrointestinal conditions like gastritis, ulcers, or gastroesophageal reflux disease (GERD) can cause nausea and vomiting.

If the nausea and vomiting persist or are accompanied by other severe symptoms such as severe abdominal pain, bloody vomit, or diarrhea, it's essential to consult a healthcare professional for proper diagnosis and treatment.