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Fluphenazine (floo FEN a zeen)

Adult Medication

Brand Names: Canada

Apo-Fluphenazine Decanoate®; Apo-Fluphenazine®; Modecate®; Modecate® Concentrate; PMS-Fluphenazine Decanoate

Warning

  • There is a higher chance of death in older adults who take this drug for mental problems caused by dementia. Most of the deaths were linked to heart disease or infection. This drug is not approved to treat mental problems caused by dementia.

What is this drug used for?

  • It is used to treat problems with how one acts.
  • It is used to treat schizophrenia.
  • It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take this drug?

  • If you have an allergy to fluphenazine or any other part of this drug.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you have any of these health problems: Brain problem, liver disease, or low blood cell count.
  • If you are very sleepy.
  • If you have recently drunk a lot of alcohol or taken a big amount of drugs that may slow your actions like phenobarbital or some pain drugs like oxycodone.
This is not a list of all drugs or health problems that interact with this drug.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take this drug?

All products:

  • Tell dentists, surgeons, and other doctors that you use this drug.
  • Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
  • Talk with your doctor before you drink alcohol or use other drugs and natural products that slow your actions.
  • You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun.
  • Be careful in hot weather or while being active. Drink lots of fluids to stop fluid loss.
  • If you will be near phosphorus insecticides, talk with your doctor.
  • Low white blood cell counts have happened with drugs like this one. This may lead to a higher chance of getting an infection. Deadly infections have rarely happened. Tell your doctor if you have ever had a low white blood cell count. Call your doctor right away if you have signs of infection like fever, chills, or sore throat. Talk with your doctor.
  • This drug may raise the chance of very bad and sometimes deadly infections. Talk with the doctor.
  • Do not stop taking this drug all of a sudden without calling your doctor. You may have a greater risk of side effects. If you need to stop this drug, you will want to slowly stop it as ordered by your doctor.
  • Have your blood work checked often. Talk with your doctor.
  • This drug may cause the results of some pregnancy tests to be wrong. Talk with the doctor.
  • If you are 65 or older, use this drug with care. You could have more side effects.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

Long-acting shot:

  • If you have an allergy to any type of nuts or seeds, talk with your doctor.
  • Do not give to a child younger than 12 years of age.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
  • Very bad dizziness or passing out.
  • Very bad headache.
  • Chest pain or pressure.
  • Shortness of breath.
  • Trouble swallowing or speaking.
  • Twitching.
  • Big change in balance.
  • Drooling.
  • Seizures.
  • Swelling in the feet or hands.
  • Change in eyesight.
  • Not able to control eye movements.
  • Any bruising or bleeding.
  • Not able to pass urine or change in how much urine is passed.
  • Feeling very tired or weak.
  • Breast enlargement.
  • Change in sex ability.
  • For women, no period.
  • Very loose stools (diarrhea).
  • Very bad belly pain.
  • A very bad and sometimes deadly health problem called neuroleptic malignant syndrome (NMS) may happen. Call your doctor right away if you have any fever, muscle cramps or stiffness, dizziness, very bad headache, confusion, change in thinking, fast heartbeat, heartbeat that does not feel normal, or are sweating a lot.
  • Some people who take this drug may get a very bad muscle problem called tardive dyskinesia. The risk may be greater in older adults, mainly women. The chance that this will happen or that it will never go away is greater in people who take this drug in higher doses or for a long time. Muscle problems may also occur after short-term use with low doses. Call your doctor right away if you have trouble controlling body movements or if you have muscle problems with your tongue, face, mouth, or jaw like tongue sticking out, puffing cheeks, mouth puckering, or chewing.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
  • Dizziness.
  • Nervous and excitable.
  • Restlessness.
  • Bad dreams.
  • Hard stools (constipation).
  • Dry mouth.
  • Feeling sleepy.
  • Headache.
  • Upset stomach.
  • Not hungry.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to your national health agency.

How is this drug best taken?

Use this drug as ordered by your doctor. Read and follow the dosing on the label closely.

All oral products:

  • Take with or without food.
  • Take as you have been told, even if you feel well.
  • Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.

Liquid:

  • Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, get an oral syringe, a dropper, a spoon, or a cup (only for older children) from your pharmacist.

Liquid (concentrate):

  • Mix this drug with at least 60 mL (2 ounces) of milk, orange soda, or some juices. Do not mix with caffeine drinks, tea, or apple juice. Take right away after mixing.

All shot products:

  • It may be given as a shot.

What do I do if I miss a dose?

All shot products:

  • Call the doctor to find out what to do.

All other products:

  • Take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.

How do I store and/or throw out this drug?

All oral products:

  • Store at room temperature. Do not freeze.
  • Store in a dry place. Do not store in a bathroom.
  • Protect from light.

All shot products:

  • This drug will be given to you in a hospital or doctor’s office. You will not store it at home.

All products:

  • Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.

General drug facts

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else’s drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Last Reviewed Date

2014-03-28

Copyright

Copyright © 2014 Clinical Drug Information, LLC and Lexi-Comp, Inc.