What is fluphenazine (oral)?
Fluphenazine is an anti-psychotic medication in a group of drugs called phenothiazines
(FEEN-oh-THYE-a-zeens). It works by changing the actions of chemicals in your brain.
Fluphenazine is used to treat psychotic disorders such as schizophrenia.
Fluphenazine may also be used for other purposes not listed in this medication guide.
What does fluphenazine look like?
Fluphenazine 10 mg-MYL
What should I discuss with my healthcare provider before taking fluphenazine (oral)?
Fluphenazine is not for use in psychotic conditions related to dementia. Fluphenazine may
cause heart failure, sudden death, or pneumonia in older adults with dementia-related conditions.
Do not use fluphenazine if you have liver disease, brain damage, bone marrow depression,
or a blood cell disorder (such as low platelets or low red or white blood cell counts), or if you are also
using large amounts of alcohol or medicines that make you sleepy. Do not use if you are allergic to
fluphenazine or other phenothiazines such as chlorpromazine (Thorazine), perphenazine (Trilafon),
prochlorperazine (Compazine, Compro), promethazine (Adgan, Pentazine, Phenergan), thioridazine
(Mellaril), or trifluoperazine (Stelazine).
If you have certain conditions, you may need a dose adjustment or special tests to safely use
this medication. Before you take fluphenazine, tell your doctor if you have:
-
heart disease or high blood pressure;
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a history of seizures;
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Parkinson's disease;
-
liver or kidney disease;
-
severe asthma, emphysema, or other breathing problem;
-
past or present breast cancer;
-
adrenal gland tumor (pheochromocytoma);
-
enlarged prostate or urination problems;
-
low levels of calcium in your blood (hypocalcemia);
-
glaucoma; or
-
if you have ever had a serious side effect while using
fluphenazine or any other phenothiazine.
Tell your doctor if you will be exposed to extreme heat or cold, or to
insecticide poisons while you are taking fluphenazine.
It is not known whether fluphenazine is harmful to an unborn baby. Before taking this
medication, tell your doctor if you are pregnant or plan to become pregnant during treatment.
Fluphenazine can pass into breast milk and may harm a nursing baby. Do not use this
medication without telling your doctor if you are breast-feeding a baby.
Older adults may be more likely to have side effects from this medication.
How should I take fluphenazine (oral)?
Take this medication exactly as prescribed by your doctor. Do not take it in larger amounts or
for longer than recommended. Follow the directions on your prescription label. Your doctor may
occasionally change your dose to make sure you get the best results from this medication.
Measure liquid medicine with a special dose-measuring spoon or cup, not a regular table spoon.
If you do not have a dose-measuring device, ask your pharmacist for one.
Fluphenazine
oral solution concentrate
solution must be mixed with at least
2 ounces (1/4 cup) of a liquid such as milk, tomato juice, fruit juice (but not apple juice), or a soft drink
that does not contain caffeine.
To be sure this medication is not causing harmful effects, your liver and kidney function may
need to be checked with blood tests on a regular basis. Do not miss any scheduled appointments.
If you need to have any type of surgery, tell the surgeon ahead of time that you are taking
fluphenazine.
Do not stop using fluphenazine suddenly after long-term use, or you could have unpleasant
withdrawal symptoms such as nausea, vomiting, dizziness, or feeling shaky. Talk to your doctor about
how to avoid withdrawal symptoms when you stop using fluphenazine.
Store fluphenazine at room temperature away from moisture, heat, and light. Do not allow
liquid medicine to freeze.
What happens if I miss a dose of fluphenazine (oral)?
Take the missed dose as soon as you remember. If it is almost time for your next dose, wait
until then to take the medicine and skip the missed dose.
Do not
take extra medicine
to make up the missed dose.
Where can I get more information about fluphenazine (oral)?
Your pharmacist has information about fluphenazine (oral) written for health professionals that you may read.
What are the possible side effects of fluphenazine (oral)?
Get emergency medical help if you have any of these
signs of an allergic
reaction:
hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using fluphenazine and call your doctor at once if you have a serious side effect such
as:
-
twitching or uncontrollable movements of your eyes, lips, tongue,
face, arms, or legs;
-
tremor (uncontrolled shaking), drooling, trouble
swallowing, problems with balance or walking;
-
feeling restless, jittery, or agitated;
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feeling like you might pass out;
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seizure (convulsions);
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decreased night vision, tunnel vision, watery eyes, increased
sensitivity to light;
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pale skin, easy bruising or bleeding, fever, sore throat, flu
symptoms;
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nausea and stomach pain, skin rash, and jaundice
(yellowing of the skin or eyes);
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high fever, stiff muscles, confusion, sweating, fast or
uneven heartbeats, rapid breathing;
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urinating less than usual or not at all;
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joint pain or swelling with fever, swollen glands, muscle
aches, chest pain, vomiting, unusual thoughts or behavior, and patchy skin color; or
-
slow heart rate, weak pulse, fainting, slow breathing
(breathing may stop).
Less serious side effects may include:
-
dizziness, drowsiness, anxiety;
-
breast swelling or discharge;
-
sleep problems (insomnia), strange dreams;
-
blurred vision, headache;
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changes in your menstrual periods;
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impotence, trouble having an orgasm;
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weight gain, swelling in your hands or feet;
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dry mouth or a stuffy nose;
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constipation; or
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mild itching or skin rash.
This is not a complete list of side effects and others may occur. Tell your
doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about fluphenazine (oral)?
Stop using this medication and call your doctor at once if you have twitching or
uncontrollable movements of your eyes, lips, tongue, face, arms, or legs. These could be early signs of
dangerous side effects.
Fluphenazine is not for use in psychotic conditions related to dementia. Fluphenazine may
cause heart failure, sudden death, or pneumonia in older adults with dementia-related conditions.
Do not use fluphenazine if you have liver disease, brain damage, bone marrow depression,
a blood cell disorder, or if you are also using large amounts of alcohol or medicines that make you
sleepy. Do not use if you are allergic to fluphenazine or other phenothiazines.
Before you take fluphenazine, tell your doctor if you have heart disease or high blood pressure,
a history of seizures, Parkinson's disease, liver or kidney disease, severe asthma or breathing problem,
past or present breast cancer, adrenal gland tumor, enlarged prostate, urination problems, glaucoma,
low levels of calcium in your blood, or if you have ever had a serious side effect while using
fluphenazine or similar medicines.
Before taking fluphenazine,
tell your doctor about all other medications you use.
What should I avoid while taking fluphenazine (oral)?
Fluphenazine can cause side effects that may impair your thinking or reactions. Be careful if
you drive or do anything that requires you to be awake and alert. Avoid getting up too fast from a
sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.
Avoid drinking alcohol. It can increase some of the side effects of fluphenazine.
Avoid exposure to sunlight or tanning beds. Fluphenazine can make your skin more
sensitive to sunlight, and a sunburn may result. Wear sunscreen (SPF 15 or higher) and protective
clothing if you must be outdoors.
What other drugs will affect fluphenazine (oral)?
Cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers,
and medicine for seizures, depression or anxiety can interact with fluphenazine and cause medical
problems or increase side effects. Tell your doctor if you regularly use any of these medicines, or any
other anti-psychotic medications.
Also tell your doctor if you are taking any of the following medicines:
-
atropine (Sal-Tropine, Atreza);
-
lithium (Eskalith, Lithobid);
-
an antibiotic;
-
birth control pills or hormone replacement estrogens;
-
blood pressure medication;
-
a blood thinner such as warfarin (Coumadin);
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certain asthma medications or bronchodilators;
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incontinence medications;
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insulin or diabetes medications you take by mouth;
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medication for nausea, vomiting, or motion sickness;
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medications to treat or prevent malaria;
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medications used for general anesthesia;
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medicines used to prevent organ transplant rejection;
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numbing medicine such as lidocaine or Novocain;
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a stimulant or ADHD medication;
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ulcer or irritable bowel medications; or
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medicines to treat Parkinson's disease, restless leg
syndrome, or pituitary gland tumor (prolactinoma).
This list is not complete and there are many other medicines
that can interact with fluphenazine.
Tell your doctor about all your prescription and
over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other
doctors. Do not start a new medication without telling your doctor. Keep a list with you of all the
medicines you use and show this list to any doctor or other healthcare provider who treats you.
What happens if I have an overdose of fluphenazine (oral)?
