Phenobarbital sodium CAS
Registry Number 57-30-7
Uses : This medication is used to cause calm and sleep. It is
used when these effects are desirable (e.g., for the relief of severe
anxiety, to cause calm before/after surgery, to treat trouble sleeping).
Phenobarbital belongs to a class of drugs known as barbiturate
anticonvulsants/hypnotics. It works by affecting certain parts of the
brain to cause calming, drowsiness, and sleep.
This medication is also used in the emergency control of
severe/persistent seizures in certain conditions (e.g., status
epilepticus, eclampsia, meningitis). It works by controlling the
abnormal electrical activity in the brain that occurs during a seizure.
Side Effects : Dizziness, unwanted drowsiness, tiredness, loss of
appetite, nausea, vomiting, or staggering walk/clumsiness may occur when
you first start using the medication but tend to disappear over time
(usually in a few weeks). Less common side effects may include headache,
constipation, nightmares, and increased dreaming. If any of these
effects persist or worsen, tell your doctor or pharmacist promptly.
Precautions : Before using phenobarbital, tell your doctor or
pharmacist if you are allergic to it; or to other barbiturates (e.g.,
secobarbital); or if you have any other allergies.
This medication should not be used if you have certain medical
conditions. Before using this medicine, consult your doctor or
pharmacist if you have: sleep apnea, severe lung problems (e.g., severe
asthma, chronic obstructive pulmonary disease-COPD), porphyria, severe
liver disease, alcoholism.
MISSED DOSE:If you are using this medication to prevent seizures
and miss a dose, tell your doctor immediately.
STORAGE: Store at room temperature between 59-86 degrees F (15-30
degrees C) away from light. Keep all medicines away from children and