Drugs used to treat nausea and vomiting are called antiemetics. Many types of antiemetics can decrease the severity of nausea, although most require a medical evaluation and prescription.While vomiting is intended to protect a person from harmful ingested substances, chronic nausea and vomiting are typically a pathologic response to any of a variety of conditions. Medicines available over-the-counter are mainly recommended for use in motion sickness and for cases of mild nausea.
A doctor should evaluate a patient to see if antiemetics are the solution to their nausea/vomiting. Their evaluation will first focus on detecting any emergencies or complications that require hospitalization, and then turn attention to identifying the underlying cause and providing specific therapies. Initial diagnostic testing should generally be limited to basic laboratory tests and plain radiography. Further testing might be necessary, and should be determined by clinical suspicion based on a complete history and physical examination.
After an identification of potential warning signs and appropriate emergency interventions, the primary goal of initial treatment is a careful assessment of fluid and electrolyte status with appropriate replacement. A low-fat or liquid diet may be prescribed, because lipids delay gastric emptying and liquids are more readily absorbed.
If an etiology is identified, a targeted therapy can be provided; however, delays in evaluation may require empiric treatment for patient comfort.
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- 20 Aug 2018
- FOSRX/FAST Services