Introduction Approximately 2% of children are thought to suffer from cyclic vomiting syndrome (CVS), with an increasing number of cases in adults as well. (Mayo Clinic Staff, 2013) It is a chronic disease; the individual will suffer bouts of severe nausea and vomiting, and then go into remission for a period of time. Some of the patients have noticed episodes occurring more frequently at certain times of the year, while others experience it during certain times of the day; especially in the morning. CVS occurs in four phases; prodromal, emetic, recovery, and asymptomatic. During the prodromal phase, the individual may feel nausea, fatigue, feverish, lightheadedness, and a sense of doom, among others. They may also experience tachycardia and hypertension due to adrenaline.
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It also includes hot flashes, chills, headache, photo/audio sensitivity, and diarrhea. Patients will frequently feel horrendously dehydrated and will drink large amounts of water; only to throw it back up soon after. Finally, some patients have reported being in a “conscious coma”, which includes lethargy, listlessness, withdrawal, and disorientation. This phase can last for several hours to several days and can have serious consequences such as electrolyte abnormalities, GI bleeding, and esophageal perforation. The recovery and asymptomatic phases occur afterwards, where the patient is able to take oral medications without issue. (McCallum, R. W., Parkman, H. P., et al, 2015.) Causes for this condition are unknown, but it’s thought to be activated by certain kinds of stress on the body. This is including but not limited to colds/allergies, emotional stress, anxiety, overeating, menstruation, and motion sickness. Migraines and the use of marijuana have been studied in their relationship with CVS, but there is nothing yet proving these possible links. (Mayo Clinic Staff,
It also includes hot flashes, chills, headache, photo/audio sensitivity, and diarrhea. Patients will frequently feel horrendously dehydrated and will drink large amounts of water; only to throw it back up soon after. Finally, some patients have reported being in a “conscious coma”, which includes lethargy, listlessness, withdrawal, and disorientation. This phase can last for several hours to several days and can have serious consequences such as electrolyte abnormalities, GI bleeding, and esophageal perforation. The recovery and asymptomatic phases occur afterwards, where the patient is able to take oral medications without issue. (McCallum, R. W., Parkman, H. P., et al, 2015.) Causes for this condition are unknown, but it’s thought to be activated by certain kinds of stress on the body. This is including but not limited to colds/allergies, emotional stress, anxiety, overeating, menstruation, and motion sickness. Migraines and the use of marijuana have been studied in their relationship with CVS, but there is nothing yet proving these possible links. (Mayo Clinic Staff,