A–Z Glossary

Mallory-Weiss tear

A Mallory-Weiss tear is a small injury at the junction of the esophagus and stomach caused by forceful vomiting or retching.

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Hyperemesis gravidarum and severe vomiting complications

Hyperemesis gravidarum and severe vomiting complications

What hyperemesis gravidarum means Hyperemesis gravidarum, often abbreviated HG, is the severe end of the nausea and vomiting spectrum in pregnancy. Typical nausea and vomiting of pregnancy may be unpleasant but often allows some fluid and food intake. HG is different because symptoms are persistent, clinically significant, and may cause measurable harm such as dehydration, […]