Vomiting

14th-century illustration of vomiting from the Casanatense Tacuinum Sanitatis
Vomiting
Partially digested food, with man-sized glove for scale
A drunk man vomiting, while a young slave is holding his forehead. Brygos Painter, 500–470 BC
Special bags are often supplied on boats for sick passengers to vomit into.

Involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose.

- Vomiting
14th-century illustration of vomiting from the Casanatense Tacuinum Sanitatis

76 related topics

Alpha

A 1681 painting depicting a person vomiting

Nausea

A 1681 painting depicting a person vomiting

Nausea is a diffuse sensation of unease and discomfort, often perceived as an urge to vomit.

Packages of medication

Antiemetic

Packages of medication

An antiemetic is a drug that is effective against vomiting and nausea.

The digestive tract, with the esophagus marked in red

Esophagus

Organ in vertebrates through which food passes, aided by peristaltic contractions, from the pharynx to the stomach.

Organ in vertebrates through which food passes, aided by peristaltic contractions, from the pharynx to the stomach.

The digestive tract, with the esophagus marked in red
The esophagus is constricted in three places.
A mass seen during an endoscopy and an ultrasound of the mass conducted during the endoscopy session.

This and the oblique angle at which the esophagus connects to the stomach explains why horses cannot vomit.

Diagram of stomach, intestines and rectum in the average human

Gastrointestinal tract

Tract or passageway of the digestive system that leads from the mouth to the anus.

Tract or passageway of the digestive system that leads from the mouth to the anus.

Diagram of stomach, intestines and rectum in the average human
Illustration of the small intestine

Vomiting, which may include regurgitation of food or the vomiting of blood

A woman being treated with docetaxel chemotherapy for breast cancer. Cold mittens and cold booties are placed on her hands and feet to reduce harm to her nails.

Chemotherapy

Type of cancer treatment that uses one or more anti-cancer drugs (chemotherapeutic agents) as part of a standardized chemotherapy regimen.

Type of cancer treatment that uses one or more anti-cancer drugs (chemotherapeutic agents) as part of a standardized chemotherapy regimen.

A woman being treated with docetaxel chemotherapy for breast cancer. Cold mittens and cold booties are placed on her hands and feet to reduce harm to her nails.
Dose response relationship of cell killing by chemotherapeutic drugs on normal and cancer cells. At high doses the percentage of normal and cancer cells killed is very similar. For this reason, doses are chosen where anti-tumour activity exceeds normal cell death.
5-FU dose management results in significantly better response and survival rates versus BSA dosing.
5-FU dose management avoids serious side effects experienced with BSA dosing
Two DNA bases that are cross-linked by a nitrogen mustard. Different nitrogen mustards will have different chemical groups (R). The nitrogen mustards most commonly alkylate the N7 nitrogen of guanine (as shown here) but other atoms can be alkylated.
Deoxycytidine (left) and two anti-metabolite drugs (center and right); gemcitabine and decitabine. The drugs are very similar but they have subtle differences in their chemical structure.
Vinca alkaloids prevent the assembly of microtubules, whereas taxanes prevent their disassembly. Both mechanisms cause defective mitosis.
Topoisomerase I and II Inhibitors
Two girls with acute lymphoblastic leukemia receiving chemotherapy. The girl on the left has a central venous catheter inserted in her neck. The girl on the right has a peripheral venous catheter. The arm board stabilizes the arm during needle insertion. Anti-cancer IV drip is seen at top right.
The four phases of the cell cycle. G1 – the initial growth phase. S – the phase in which DNA is synthesised. G2 – the second growth phase in preparation for cell division. M – mitosis; where the cell divides to produce two daughter cells that continue the cell cycle.
Sidney Farber did pioneering work in chemotherapy
Scanning electron micrograph of mesoporous silica; a type of nanoparticle used in the delivery of chemotherapeutic drugs.

Typhlitis is an intestinal infection which may manifest itself through symptoms including nausea, vomiting, diarrhea, a distended abdomen, fever, chills, or abdominal pain and tenderness.

14th-century illustration of vomiting from the Casanatense Tacuinum Sanitatis

Hematemesis

14th-century illustration of vomiting from the Casanatense Tacuinum Sanitatis

Hematemesis is the vomiting of blood.

Morning sickness

Hyperemesis gravidarum

Morning sickness

Hyperemesis gravidarum (HG) is a pregnancy complication that is characterized by severe nausea, vomiting, weight loss, and possibly dehydration.

Mallory–Weiss tear affecting the esophageal side of the gastroesophageal junction

Mallory–Weiss syndrome

Mallory–Weiss syndrome or gastro-esophageal laceration syndrome refers to bleeding from a laceration in the mucosa at the junction of the stomach and esophagus.

Mallory–Weiss syndrome or gastro-esophageal laceration syndrome refers to bleeding from a laceration in the mucosa at the junction of the stomach and esophagus.

Mallory–Weiss tear affecting the esophageal side of the gastroesophageal junction

This is usually caused by severe vomiting because of alcoholism or bulimia, but can be caused by any condition which causes violent vomiting and retching such as food poisoning.

Horizontal nystagmus, a sign that may accompany vertigo

Vertigo

Condition where a person has the sensation of movement or of surrounding objects moving when they are not.

Condition where a person has the sensation of movement or of surrounding objects moving when they are not.

Horizontal nystagmus, a sign that may accompany vertigo
A drawing showing the sensation of vertigo

This may be associated with nausea, vomiting, sweating, or difficulties walking.

Woman with migraine headache

Migraine

Primary headache disorder characterized by recurrent headaches that are moderate to severe.

Primary headache disorder characterized by recurrent headaches that are moderate to severe.

Woman with migraine headache
Animation of cortical spreading depression
The Head Ache, George Cruikshank (1819)
A trepanated skull, from the Neolithic. The perimeter of the hole in the skull is rounded off by ingrowth of new bony tissue, indicating that the person survived the operation.

Associated symptoms may include nausea, vomiting, and sensitivity to light, sound, or smell.