What could make you vomit up everything eat and drink?

* Food poisoning: Eating contaminated food or drink can cause food poisoning, which can lead to vomiting, diarrhea, and abdominal pain.

* Norovirus: Norovirus is a highly contagious virus that can cause vomiting, diarrhea, and abdominal pain.

* Gastroenteritis: Gastroenteritis is an inflammation of the stomach and intestines that can be caused by a variety of factors, including bacteria, viruses, and parasites.

* Motion sickness: Motion sickness can cause nausea, vomiting, and dizziness.

* Morning sickness: Morning sickness is a common symptom of pregnancy that can cause nausea and vomiting.

* Certain medications: Some medications, such as chemotherapy drugs and antibiotics, can cause nausea and vomiting as a side effect.

* Alcohol: Drinking too much alcohol can cause nausea and vomiting.

* Drugs: Some drugs, such as marijuana and cocaine, can cause nausea and vomiting.

* Medical conditions: Certain medical conditions, such as diabetes, kidney disease, and liver disease, can cause nausea and vomiting.