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FLUPHENAZINE (floo FEN a zeen) treats schizophrenia. It works by balancing the level of dopamine in your brain, a substance that helps regulate mood, behavior, and thoughts. It belongs to a group of medications called antipsychotics. Antipsychotic medications can be used to treat several kinds of mental health conditions.
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This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
COMMON BRAND NAME(S): Prolixin
They need to know if you have any of these conditions:
Elixir or solution: Take this medication by mouth. Follow the directions on the prescription label. Shake gently before use. Use a specially marked dropper or spoon to measure your medication. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your doses at regular intervals. Do not take your medication more often than directed. Do not stop taking this medication except on the advice of your care team.
Oral concentrated solution: Take this medication by mouth. Follow the directions on the prescription label. Shake gently before use. Use a specially marked dropper or spoon to measure your medication. Ask your pharmacist if you do not have one. Household spoons are not accurate. Measure the concentrated solution and dilute just before use in at least 2 ounces of milk, tomato or fruit juice, water, or soup. Do not mix with apple juice. Do not mix with caffeinated drinks (examples: coffee, tea, colas). Take your doses at regular intervals. Do not take your medication more often than directed. Do not stop taking this medication except on the advice of your care team.
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Talk to your care team about the use of this medication in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Do not take this medication with any of the following:
This medication may also interact with the following:
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Visit your care team for regular checks on your progress. Tell your care team if symptoms do not start to get better or if they get worse. Do not stop taking except on your care team's advice. You may develop a severe reaction. Your care team will tell you how much medication to take.
You may get drowsy, dizzy, or have blurred vision. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medication affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol can increase possible dizziness or drowsiness. Avoid alcoholic drinks.
This medication can cause problems with controlling your body temperature. It can lower the response of your body to cold temperatures. If possible, stay indoors during cold weather. If you must go outdoors, wear warm clothes. It can also lower the response of your body to heat. Do not overheat. Do not over-exercise. Stay out of the sun when possible. If you must be in the sun, wear cool clothing. Drink plenty of water. If you have trouble controlling your body temperature, call your care team right away.
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This medication can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your care team if the problem does not go away or is severe.
This medication may increase blood sugar. Ask your care team if changes in diet or medications are needed if you have diabetes.
If you are going to have surgery, tell your care team that you are taking this medication.
Do not spill any of the solution on the skin, it can cause skin irritation.
Side effects that you should report to your care team as soon as possible:
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Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. Protect from light. Keep container tightly closed. Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.