Full instructions, dosage information and potential known side effects are all available in the leaflet that comes with the prescription product. If you require any advice or assistance with placing your order, please donâ€™t hesitate to contact our team.
How do I take/use this medicine?
Fluphenazine injection is given either intramuscularly (into the buttock muscles) or subcutaneously (into the fatty layer under the skin, usually in the abdomen or thighs).
Your doctor or nurse will administer the injection for you. Your doctor will advise you about how often you need this injection.
It is important that you continue with the injections even when you feel well. Do not stop using Fluphenazine injection unless your doctor has decided to do so. If this medicine is stopped suddenly, you may feel unwell or your condition may worsen. When your doctor decides that you do not need Fluphenazine injection anymore, he will usually reduce your dose slowly.
What should I take note of while using/taking this medicine?
Alert your doctor if you are pregnant or breastfeeding. Do not breastfeed while being treated with Fluphenazine.
Inform your doctor if you have any of these conditions:
- heart disease
- thyroid disease
- lung disease
- problems passing urine
- enlarged prostate
- poor digestion or other stomach problems
- intestinal blockage such as paralytic ileus
- Alzheimer's or Parkinson's disease
- low blood pressure
- glaucoma (high pressure in the eye)
- myasthenia gravis (a condition that causes muscle weakness)
- an adrenal gland tumour known as phaeochromocytoma
- epilepsy (fits)
- breast cancer or tumours dependent on a hormone known as prolactin
For as long as you are being treated with Fluphenazine, you will need to have regular checks to make sure that your eyes, blood counts, kidney function and liver function are normal. Your doctor will advise you about how often you need to have these blood tests.
Fluphenazine may affect the ability of your body to adjust to temperature changes in the environment. Avoid exposure to very cold or very hot environments. Avoid strenuous exercise and activities like going to the sauna. Drink more water to prevent dehydration.
If you are going for an operation, including minor operations and dental work, inform your doctor or dentist that you are being treated with Fluphenazine injection. The effects of Fluphenazine injection may last for a few weeks or months after each injection.
Fluphenazine may also interfere with pregnancy tests, leading to inaccurate results.
When should I not use this medicine?
Alert the doctor if you have any of these conditions:
- brain disorders or damage
- liver disease
- kidney disease
- low blood cell count or other blood disorders
- bone marrow depression
Alert the doctor if you are taking any sleeping pills.
Fluphenazine injection is not meant for children younger than 12 years old.
Are there any restrictions on the type of food I can take?
Avoid alcohol and drinks that contain caffeine such as coffee or colas.
Why do I need this medicine?
Fluphenazine injection is used to treat schizophrenia. It helps to relieve symptoms common in schizophrenia, such as distorted thinking and emotional instability.
Fluphenazine injection also helps to treat other mood or psychiatric conditions such as paranoia, bipolar disorder (mania and hypomania) and psychosis.
Fluphenazine injection is used for long-term treatment. It is usually used if you cannot swallow pills or if your doctor decides that an injection will help manage your condition better.
What side effects could I experience?
Fluphenazine may make you drowsy or dizzy, especially in the first few weeks of treatment. If you feel drowsy or dizzy, or if Fluphenazine causes your vision to become blurred, do not drive or take part in any activities in which you need to be alert or be able to see clearly.
You may feel dizzy when getting up from a sitting or lying down position, especially if you are using Fluphenazine for the first time. This is normal and should disappear gradually as you get used to the medicine. Lie down until you feel better. Get up slowly from a sitting or lying down position.
Fluphenazine may also cause shaky and trembling hands, muscle stiffness, muscle spasm and problems with coordinating your movements. These side effects may be more common during the first few days of therapy. Alert your doctor if any of these side effects occur.
Other common side effects of Fluphenazine include nausea, loss of appetite, headache, dry mouth, problems passing urine or passing urine too often, constipation and depression. There may also be pain, discomfort or redness at the injection site. Some women may experience milk secretion or changes to the menstrual flow. Some men may experience breast swelling and libido changes.
Other side effects are less common but may need immediate medical help. Alert your doctor immediately if you develop any of these symptoms:
- fast or irregular heartbeat
- any kind of rash or allergic reaction
- muscle spasms or uncontrolled muscle movements of your body or face, such as sticking out of the tongue, smacking of the lips
- uncontrollable urge to move constantly or an inability to sit still
- epileptic fits
- excessive drowsiness, dizziness or if you faint
- mouth, tongue or throat ulcers
- fever or other signs of an infection
- yellowing of the skin or whites of the eyes
How should I store this medicine?
Store in a cool, dry place away from the reach of children.
Protect from light. Light may cause the medication to lose some of its effectiveness.
Medicines must not be used past the expiry date.
Can I take/use this with other medicines?
Alert the doctor if you are taking any other medicines, especially those listed here:
- sleeping pills or anxiety pills such as alprazolam, flurazepam
- antidepressants such as fluoxetine, paroxetine, fluvoxamine, imipramine, trazodone
- other mood or psychiatric medicines such as lithium, haloperidol
- Parkinson's disease medicines such as levodopa, bromocriptine
- strong painkillers such as morphine, codeine
- hay fever medicines such as antihistamines
- blood pressure medicines such as midodrine
- digoxin and other medicines used to treat heart disease
- blood-thinning medicines such as warfarin
- epilepsy (fits) medicines such as phenytoin and valproate
- diabetes medicines such as glibenclamide, glipizide, gliclazide, tolbutamide
Always inform your doctor or pharmacist if you are taking any other medicines, including herbal tonics, supplements and medicines that you buy without a prescription.