Brand name: CHLORPROMAZINE
(Thorazine)
Why is CHLORPROMAZINE (Thorazine) prescribed?
CHLORPROMAZINE (Thorazine) is used for the treatment of schizophrenia (severe
disruptions in thought and perception). It is also prescribed for the
short-term treatment of severe behavioral disorders in children, including
explosive hyperactivity and combativeness; and for the manic phase
of bipolar disorder.
CHLORPROMAZINE (Thorazine) is also used to control nausea and vomiting, and to
relieve restlessness and apprehension before surgery. It is used as
an aid in the treatment of tetanus, and is prescribed for uncontrollable
hiccups and acute intermittent porphyria (attacks of severe abdominal
pain sometimes accompanied by psychiatric disturbances, cramps in the
arms and legs, and muscle weakness).
Most important fact about CHLORPROMAZINE (Thorazine) (Chlorpromazine, Thorazine)
CHLORPROMAZINE (Thorazine) may cause tardive dyskinesia--a condition marked by
involuntary muscle spasms and twitches in the face and body. This condition
may be permanent, and appears to be most common among the elderly,
especially women. Ask your doctor for information about this possible
risk.
How should you take CHLORPROMAZINE (Thorazine) without prescriptions?
If taking CHLORPROMAZINE (Thorazine) in a liquid concentrate form, you will need
to dilute it with a liquid such as a carbonated beverage, coffee, fruit
juice, milk, tea, tomato juice, or water. Puddings, soups, and other
semisolid foods may also be used. CHLORPROMAZINE (Thorazine) will taste best if
it is diluted immediately prior to use. You should not take CHLORPROMAZINE (Thorazine)
with alcohol.
Do not take antacids such as Gelusil at the same time as CHLORPROMAZINE (Thorazine).
Leave at least 1 to 2 hours between doses of the two drugs.
If you miss a dose...
If you take CHLORPROMAZINE (Thorazine) once a day, take the dose you missed as
soon as you remember. If you do not remember until the next day, skip
the dose, then go back to your regular schedule.
If you take more than 1 dose a day, take the one you missed as soon
as you remember if it is within an hour or so of the scheduled time.
If you do not remember until later, skip the dose, then go back to
your regular schedule.
Never take 2 doses at once.
Storage instructions...
Store away from heat, light, and moisture. Do not freeze the liquid.
Since the liquid concentrate form of CHLORPROMAZINE (Thorazine) is light-sensitive,
it should be stored in a dark place, but it does not need to be refrigerated.
CHLORPROMAZINE (Thorazine) side effects
Side effects cannot be anticipated. If any develop or change in intensity,
inform your doctor as soon as possible. Only your doctor can determine
if it is safe for you to continue taking CHLORPROMAZINE (Thorazine).
* Side effects may include:
Constipation, drowsiness, dry mouth, involuntary muscle spasms and twitches
(tardive dyskinesia), jaundice, low blood pressure, low white blood cell
count, movements similar to Parkinson's disease, neuroleptic malignant syndrome
(see "Special warnings about this medication"), rapid heartbeat,
restlessness, vision problems
Why should CHLORPROMAZINE (Thorazine) not be prescribed?
You should not be using CHLORPROMAZINE (Thorazine) if you are taking substances
that slow down mental function such as alcohol, barbiturates, or narcotics.
You should not take CHLORPROMAZINE (Thorazine) if you have ever had an allergic
reaction to any major tranquilizer containing phenothiazine.
Special warnings about CHLORPROMAZINE (Thorazine)
You should use CHLORPROMAZINE (Thorazine) cautiously if you have ever had: asthma;
a brain tumor; breast cancer; intestinal blockage; emphysema; the eye
condition known as glaucoma; heart, kidney, or liver disease; respiratory
infections; seizures; or an abnormal bone marrow or blood condition;
or if you are exposed to pesticides or extreme heat. Be aware that
CHLORPROMAZINE (Thorazine) can mask symptoms of brain tumor, intestinal blockage,
and the neurological condition called Reye's syndrome.
Stomach inflammation, dizziness, nausea, vomiting, and tremors may
result if you suddenly stop taking CHLORPROMAZINE (Thorazine). Follow your doctor's
instructions closely when discontinuing CHLORPROMAZINE (Thorazine).
CHLORPROMAZINE (Thorazine) can suppress the cough reflex; you may have trouble
vomiting.
This drug may impair your ability to drive a car or operate potentially
dangerous machinery. Do not participate in any activities that require
full alertness if you are unsure about your ability.
This drug can increase your sensitivity to light. Avoid being out
in the sun too long.
CHLORPROMAZINE (Thorazine) can cause a group of symptoms called Neuroleptic Malignant
Syndrome, which can be fatal. Seek medical help immediately if you
develop any of the following symptoms: extremely high body temperature,
rigid muscles, mental changes, irregular pulse or blood pressure, rapid
or irregular heartbeat, excessive sweating, and high fever.
If you are on CHLORPROMAZINE (Thorazine) for prolonged therapy, you should see
your doctor for regular evaluations, since side effects can get worse
over time.
Possible food and drug interactions when taking CHLORPROMAZINE (Thorazine)
If CHLORPROMAZINE (Thorazine) is taken with certain other drugs, the effects of
either could be increased, decreased, or altered. It is especially
important to check with your doctor before combining CHLORPROMAZINE (Thorazine)
with the following:
Anesthetics
Antacids such as Gelusil
Antiseizure drugs such as Dilantin
Antispasmodic drugs such as Cogentin
Atropine (Donnatal)
Barbiturates such as phenobarbital
Blood-thinning drugs such as Coumadin
Captopril (Capoten)
Cimetidine (Tagamet)
Diuretics such as Dyazide
Epinephrine (EpiPen)
Guanethidine
Lithium (Lithobid, Eskalith)
MAO inhibitors (antidepressants such as Nardil and Parnate)
Narcotics such as Percocet
Propranolol (Inderal)
Extreme drowsiness and other potentially serious effects can result
if CHLORPROMAZINE (Thorazine) is combined with alcohol and other mental depressants
such as narcotic painkillers like Demerol.
Because CHLORPROMAZINE (Thorazine) prevents vomiting, it can hide the signs and
symptoms of overdose of other drugs.
Special information if you are pregnant or breastfeeding
The effects of CHLORPROMAZINE (Thorazine) during pregnancy have not been adequately
studied. If you are pregnant or plan to become pregnant, notify your
doctor. Pregnant women should use CHLORPROMAZINE (Thorazine) only if clearly needed.
CHLORPROMAZINE (Thorazine) appears in breast milk and may affect a nursing infant.
If CHLORPROMAZINE (Thorazine) is essential to your health, your doctor may advise
you not to breastfeed until your treatment is finished.
Recommended dosage for CHLORPROMAZINE (Thorazine)
Dosage recommendations shown here are for the oral and rectal forms
of the drug. For certain problems, CHLORPROMAZINE (Thorazine) is also given by
injection.
ADULTS
Overdosage
Any medication taken in excess can have serious consequences. An overdose
of CHLORPROMAZINE (Thorazine) can be fatal. If you suspect an overdose, seek medical
help immediately.
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