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A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
This medicine is a phenothiazine used to treat emotional disorders such as schizophrenia. It may also be used to treat other conditions as determined by your doctor.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed. Fluphenazine oral is taken by mouth. Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon). Fluphenazine oral 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. Fluphenazine injection is injected into a muscle or under the skin by a healthcare provider. Fluphenazine is usually given by injection only after you have taken the medicine by mouth for a certain period of time. Fluphenazine injection stays in your body longer than the oral form, and the injections are not given daily. Follow your doctor's dosing instructions very carefully. You may need frequent medical tests. Your next dose may be delayed based on the results. If you need surgery, tell the surgeon ahead of time that you are using fluphenazine. Do not stop using fluphenazine suddenly, or you could have unpleasant withdrawal symptoms. Ask your doctor how to safely stop using this medicine. Store at room temperature away from moisture, heat, and light. Do not allow liquid medicine to freeze.
You should not use fluphenazine if you are allergic to fluphenazine or other phenothiazines (chlorpromazine, perphenazine, prochlorperazine, promethazine, thioridazine, trifluoperazine), or if you have: liver disease; brain damage; severe depression; or a blood cell disorder (such as low platelets or low red or white blood cell counts). Do not use fluphenazine if you have recently used large amounts of alcohol or medicine that makes you sleepy. Fluphenazine may increase the risk of death in older adults with dementia-related psychosis and is not approved for this use. Tell your doctor if you have ever had: heart problems; liver or kidney disease; low white blood cell (WBC) counts; breast cancer; glaucoma; Parkinson's disease; seizures; or pheochromocytoma (tumor of the adrenal gland). Tell your doctor if you will be exposed to extreme heat or cold, or to insecticide poisons while you are using fluphenazine. Fluphenazine is not approved for use by anyone younger than 12 years old.