What is the common prescription anti-emetic drug used during pregnancy?

Doxylamine/pyridoxine, commonly known by its brand name Diclectin, is widely recognized as the first-line treatment for nausea and vomiting during pregnancy, specifically for conditions such as hyperemesis gravidarum. This combination consists of doxylamine, an antihistamine that works by blocking certain signals in the brain that trigger nausea and vomiting, and pyridoxine, which is a form of vitamin B6 that can also help alleviate these symptoms.

The use of doxylamine/pyridoxine has been well-studied and is considered safe for use in pregnant women. Clinical guidelines and recommendations often highlight this medication due to its proven efficacy and safety profile, thus making it a common choice among healthcare professionals treating pregnant patients suffering from nausea and vomiting.

While ondansetron, metoclopramide, and prochlorperazine can be used in certain circumstances for nausea, they are not as commonly recommended specifically for pregnant women. Ondansetron has been associated with some concerns regarding fetal safety in certain studies. Metoclopramide and prochlorperazine, though effective anti-emetics, are typically reserved for cases where other treatments are not suitable or effective. In summary, doxyl