Question: How do doctors treat cyclic vomiting syndrome?
Answer: How doctors treat cyclic vomiting syndrome depends on the phase. Your doctor may

prescribe medicines
treathealth problems that may triggerthe disorder
recommendstaying away from triggersways to manage triggersgetting plenty of sleep and rest
staying away from triggers
ways to manage triggers
getting plenty of sleep and rest

Prodrome phase

Taking medicines early in this phase can sometimes help stop an episode from happening. Your doctor may recommend over-the-counter medicines or prescribe medicines such as

ondansetron(Zofran) orpromethazine(Phenergan) fornausea
sumatriptan(Imitrex) formigraines
lorazepam(Ativan) foranxiety
ibuprofenfor pain

Your doctor may recommend over-the-counter medicines to reduce the amount of acid your stomach makes, such as

famotidine(Pepcid)
ranitidine(Zantac)
omeprazole(Prilosec)
esomeprazole(Nexium)

Vomiting phase

During this phase, you should stay in bed and sleep in a dark, quiet room. You may have to go to a hospital if your nausea and vomiting are severe or if you become severely dehydrated. Your doctor may recommend or prescribe the following for children and adults:

medicines fornauseamigrainesanxietypain
nausea
migraines
anxiety
pain
medicines that reduce the amount of acid your stomach makes

If you go to a hospital, your doctor may treat you with

intravenous(IV) fluids for dehydration
medicines for symptoms
IV nutrition if an episode continues for several days

Recovery phase

During the recovery phase, you may need IV fluids for a while. Your doctor may recommend that you drink plenty of water and liquids that contain glucose and electrolytes, such as

broths
caffeine-free soft drinks
fruit juices
sports drinks
oral rehydration solutions, such as Pedialyte

If you’ve lost your appetite, start drinking clear liquids and then move slowly to other liquids and solid foods. Your doctor may prescribe medicines to help prevent future episodes.

Well phase

During the well phase, your doctor may prescribe medicines to help prevent episodes and how often and how severe they are, such as

amitriptyline(Elavil)
cyproheptadine(Periactin)
propranolol(Inderal)
topiramate(Topamax)
zonisamide(Zonegran)

Your doctor may also recommend coenzyme Q10, levocarnitine (L-carnitine), or riboflavin as dietary supplements to help prevent episodes.
Question: How can I prevent cyclic vomiting syndrome?
Answer: Knowing and managing your triggers can help prevent cyclic vomiting syndrome, especially during the well phase. You should also

get enough sleep and rest
treat infections and allergies
learn how to reduce or managestressand anxiety
avoid foods and food additives that trigger episodes
Question: How do doctors treat the complications of cyclic vomiting syndrome?
Answer: Doctors treat the complications of cyclic vomiting syndrome as follows:

dehydration—plenty of liquids with glucose and electrolytes; or IV fluids and hospitalization for severe dehydration
esophagitis—medicines to reduce the amount of acid your stomach makes
Mallory-Weiss tears—medicines or medical procedures to stop bleeding if the tears don’t heal on their own, which they generally do
tooth decayor damage to tooth enamel—dental fillings,fluoridetoothpaste, or mouth rinses