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Hiccups may result from a large meal, alcoholic beverages or sudden excitement. In some cases, hiccups may be a sign of an underlying medical condition. For most people, a bout of hiccups usually lasts only a few minutes. Rarely, hiccups may persist for months. This can result in malnutrition and exhaustion.
SYMPTOMS
The characteristic sound of a hiccup is the only sign. Sometimes the only symptom is a slight tightening sensation in your chest, abdomen or throat that precedes the sound.
Make an appointment to see your doctor if your hiccups last more than 48 hours or if they are so severe that they cause problems with eating, sleeping or breathing.
CAUSES
The most common triggers for hiccups that last less than 48 hours include:
Drinking carbonated beverages,Drinking too much alcohol,Eating too much,Excitement or emotional stress,Sudden temperature changes,Swallowing air with chewing gum or sucking on candy
Hiccups that last more than 48 hours may be caused by a variety of factors, which are generally grouped into the following categories.
Nerve damage or irritation
The most common cause of long-term hiccups is damage to or irritation of the vagus nerves or phrenic nerves, which serve the diaphragm muscle.Factors that may cause damage or irritation to these nerves include:
A hair or something else in your ear touching your eardrumA tumor, cyst or goiter in your neckGastroesophageal refluxSore throat or laryngitis
Central nervous system disorders
A tumor or infection in your central nervous system or damage to your central nervous system as a result of trauma can disrupt your body's normal control of the hiccup reflex. Examples include:
EncephalitisMeningitisMultiple sclerosisStrokeTraumatic brain injuryTumors
Metabolic disorders and drugs
Long-term hiccups can be triggered by:
AlcoholismAnesthesiaBarbituratesDiabetesElectrolyte imbalanceKidney failureSteroidsTranquilizers
DIAGNOSIS
During the physical exam, your doctor may perform a neurological exam to check your:
Balance and coordinationMuscle strength and toneReflexesSight and sense of touch
If your doctor suspects an underlying medical condition may be causing your hiccups, he or she may recommend one or more of the following tests.
Laboratory tests
Samples of your blood may be checked for signs of:
InfectionDiabetesKidney disease
Imaging tests
These types of tests may be able to detect anatomical abnormalities that may be affecting the vagus nerve, phrenic nerve or diaphragm. Imaging tests may include:
Chest X-rayComputerized tomography (CT)Magnetic resonance imaging (MRI)
Endoscopic tests
These procedures utilize a thin, flexible tube containing a tiny camera, which is passed down your throat to check for problems in your esophagus or windpipe.
TREATMENT
Most cases of hiccups go away on their own without medical treatment. If an underlying medical condition is causing your hiccups, treatment of that illness may eliminate the hiccups. The following treatments may be considered for hiccups that have lasted longer than two days.
Medications
Drugs commonly used to treat long-term hiccups include:
ChlorpromazineMetoclopramideBaclofen
Surgical and other procedures
If less invasive treatments aren't effective, your doctor may recommend an injection of an anesthetic to block your phrenic nerve to stop hiccups.
Another option is to surgically implant a battery-operated device to deliver mild electrical stimulation to your vagus nerve. This procedure is most commonly used to treat epilepsy, but it has also helped control persistent hiccups.
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