The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
Adults:
- Nausea (up to 20%)
- Dizziness (up to 15%)
- Vomiting (up to 11%)
- Sleepiness (up to 8%)
- Bedwetting (up to 7%)
- Tremor or shakiness (up to 5%)
Children:
- Nausea (20%)
- Bedwetting (19%)
- Vomiting (18%)
- Headache (17%)
- Weight loss (13%)
- Poor appetite (9%)
- Dizziness (8%)
- Sleepwalking (6%)
Less Common Side Effects
Adults:
- Stomach pain
- Diarrhea
- Dry mouth
- Muscle spasms
- Feeling "pins and needles"
- Confusion about what's around you or time
- Anxiety
- Sleepwalking
Sodium Oxybate serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Very slow breathing
- Feeling overly sleepy
- Fainting
Source: DailyMed
The following Sodium Oxybate side effects have also been reported
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
More common
Bedwetting
sleep walking
Less common
Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
changes in behavior
choking or gasping sounds
daytime sleepiness or tiredness
headache
lack of appetite
loud or frequent snoring
rapid weight gain
seeing, hearing, or feeling things that are not there
thoughts of killing oneself
trouble sleeping
unusual weight gain or loss
waking to urinate at night
Incidence not known
Being forgetful
blurred vision
decrease in the amount of urine
dizziness
hoarseness
increase urge to urinate at night
irritation
joint pain, stiffness, or swelling
nervousness
noisy, rattling breathing
pounding in the ears
redness of the skin
swelling of the face, fingers, hands, feet, or lower legs
tightness in the chest
trouble breathing or swallowing
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Agitation
bluish lips or skin, not breathing
chest pain or discomfort
clumsiness
confusional, agitated combative state
drowsiness
generalized slowing of mental and physical activity
inability to hold bowel movement or urine
increased sweating
lightheadedness, dizziness, or fainting
loss of consciousness
muscle aches or weakness
seizures
shakiness and unsteady walk
shivering
slow or irregular heartbeat
trembling or other problems with muscle control or coordination
unusual tiredness or weakness
weak or feeble pulse
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
difficulty passing urine (dribbling)
increased frequency, urgency, or burning on urination
increased sweating
vomiting
Less common
Incidence not known
Difficulty with moving
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

