HALDOL® & HALDOL® CONCENTRATE Injection
Haloperidol decanoate
What is in this leaflet
This leaflet answers some common questions about HALDOL injection. It does
not contain all the available information. It does not take the place of
talking to your doctor or pharmacist.
All medicines have risks and benefits. Your doctor has weighed the risks of
treating you with HALDOL against the benefits this medicine is expected to
have for you.
If you have any concerns about being treated with HALDOL, ask your doctor
or pharmacist.
Keep this leaflet with your medicine. You may need to read it again.
What HALDOL is used for
HALDOL is used to control the symptoms of mental illnesses with
disturbances in thinking, feelings and behaviour.
HALDOL is a long-acting antipsychotic. It works by correcting the chemical
imbalances in the brain, which may cause mental illness.
Your doctor may have prescribed HALDOL for another use. Ask your doctor if
you have any questions about why this medicine has been prescribed for you.
HALDOL is not addictive.
Before you are given HALDOL
When you must not be given it
Do not give HALDOL to anyone who is unconscious or in a coma.
Do not use HALDOL if you:
- have severe drowsiness and slowness due to illness or the use of alcohol
or medicine - have severe depression
- have or have ever had muscle stiffness, restricted or uncontrollable
movement due to certain medical conditions, such as Parkinson's disease - have an allergy to HALDOL or any of the ingredients. See Product
Description at the end of this leaflet for a list of ingredients.
Do not use HALDOL if the packaging is torn or shows signs of tampering. Do
not use HALDOL beyond the expiry date (month and year) printed on the pack.
Before you are given it
You must tell your doctor if you:
- are pregnant or planning to become pregnant
- are breast feeding or wish to breastfeed
- have or have ever had a heart problem
- have or have ever had a rare heart disorder known as QT-prolongation
which sometimes runs in families - are taking heart medication
- have or have ever had tardive dyskinesia (a reaction to some medicines
with uncontrolled movements of the tongue, mouth, cheeks or jaws which may
progress to the arms and legs) - have or have ever had neuroleptic malignant syndrome (a reaction to some
medicines with a sudden increase in body temperature, extremely high blood
pressure and severe convulsions) - have or ever had epilepsy or any other condition that can cause fits
(for example, during a cure for a drinking problem or as a result of brain
damage). - liver disease.
- a very active thyroid gland.
Tell your doctor if:
- you are taking medicines or have medical conditions which may cause an
imbalance of potassium levels in your blood. - you suffer from an imbalance of electrolytes (naturally occurring
chemicals present in body fluids, that are needed for normal body
functions).
If you have not told your doctor or pharmacist about any of the above, tell
them before you are given HALDOL.
Your doctor will advise you on whether you should receive HALDOL or whether
to adjust the dose or alter your treatment.
Taking other medicines
Tell your doctor or pharmacist if you are taking any other medicines,
including medicines you can buy without a prescription from a pharmacy,
supermarket or health food shop.
In particular, tell your doctor or pharmacist if you are taking any of the
following:
- itraconazole, nefazodone, buspirone, venlafaxine, alprazolam,
fluvoxamine, quinidine, fluoxetine, sertraline, chlorpromazine and
promethazine. - ketoconazole (an antifungal medication).
- drugs known to cause electrolyte imbalance or imbalance of naturally
occurring chemicals present in body fluids, that are needed for normal body
functions. - alcohol or medicines which make you feel drowsy or slow your reactions,
such as sleeping tablets, tranquillisers or strong painkillers. - methyldopa (used to lower high blood pressure).
- certain cough and cold preparations and weight reduction medicines
containing substances such as adrenaline. - medicines that prevent adrenaline working, such as guanethidine
- antibiotics such as rifampicine
- anticholinergic drugs (used to prevent travel sickness, treat
Parkinson's Disease or relieve stomach cramps or spasms). - certain medicines used to treat Parkinson's disease, such as levodopa
(L-dopa). - certain medicines for depression.
- carbamazapine, phenobarbital (used to treat epilepsy).
- lithium (used to treat episodes of mood swing).
- anticoagulants (used to slow blood clotting).
These medicines may be affected by HALDOL or may affect how well HALDOL
works. Your doctor or pharmacist can tell you what to do if you are taking any
of these medicines.
Effects on driving and operating machinery
HALDOL can affect your alertness and ability to drive and operate
machinery. Do not drive or operate machinery until your doctor says it is
safe.
Do not drink alcohol. HALDOL can increase the effects of alcohol.
Using HALDOL
How it is given:
HALDOL will be injected by your doctor into a muscle in the buttocks. It is
usually given every four weeks, however your doctor may lengthen or shorten
this time.
HALDOL should not be given into a vein.
Your doctor will decide how much HALDOL you need. This will depend on your
physical conditions such as your age, body weight, your medical history and
conditions.
Your doctor will monitor you closely when you start receiving HALDOL
injection. Your dose and how often the injection is given may be altered,
until the medicine controls your symptoms. Follow your doctor's instructions.
If you are elderly or physically unwell, you may need less HALDOL. Your
doctor may adjust your dose if necessary.
HALDOL should not be used in children.
If you do not understand the instructions provided with this medicine, ask
your doctor or pharmacist for help.
If you forget to use it
If you have missed your next injection, contact your doctor as soon as
possible.
If you are given too much (overdose)
Immediately telephone your doctor or the Poisons Information Centre for
advice, or go to Accident and Emergency at your nearest hospital.
Do this even if there are no signs of discomfort or poisoning. You may need
urgent medical attention.
Poisons Information Centre telephone numbers:
- Australia: 13 11 26
- New Zealand: 0800 POISON or 0800 764 766
Keep these telephone numbers handy.
Signs of overdose of HALDOL may include severe tremor, fainting or
drowsiness.
While you are given HALDOL
Things you must do
- Always follow your doctor's instructions carefully.
- Seek your doctor's advice before changing or stopping HALDOL treatment.
- Tell your doctor if you become pregnant while using HALDOL.
- If you are about to start taking a new medicine, tell your doctor and
pharmacist that you are using HALDOL.
Things you must not do
- Do not use HALDOL to treat any other complaint unless your doctor says
so - Do not give this medicine to anyone else, even if their symptoms seem
similar to yours.
Side Effects
All medicines can have side effects. Sometimes they are serious, most of
the time they are not. You may need medical treatment if you get some side
effects. Do not be alarmed by this list of possible side effects. You may not
experience any of them.
Ask your doctor or pharmacist to answer any questions you may have.
Tell your doctor if you experience any of the following:
- drowsiness, restlessness, sleep disturbances, feeling of tiredness.
- low blood pressure which may cause dizziness or headache.
- changes in the menstrual cycle, breast pain, breast enlargement, unusual
secretion of breast milk, or changes in sex drive in both men and women. - uncontrollable twitching or jerking movements of the arms and legs;
worm-like movements of the tongue or other uncontrolled movements of the
mouth, tongue, cheeks or jaws which may progress to the arms and legs - uncontrollable muscle spasms affecting the eyes, head, neck and body
- loss of appetite, constipation, diarrhoea, increased salivation, dry
mouth, indigestion or an uncomfortable feeling in the stomach or excessive
belching after eating, nausea and vomiting. Weight changes may also occur. - redness, burning or pain at the site HALDOL is given.
- blurred vision, difficulty or inability to pass urine, excessive
sweating, sexual dysfunction and inability to control body temperature.
Tell your doctor immediately if you notice any of the following as you
may need urgent medical care:
- difficulty in breathing, or deeper and faster breathing.
- allergic reactions with signs such as skin rash, swelling of the face,
lips or throat. - a sudden increase in body temperature, extremely high blood pressure,
stiff muscles, decreased mental alertness or fits (seizures). - fast or unusual heart beat.
Other side effects not listed above may also occur in some people. Tell
your doctor if you notice any other effects.
After using HALDOL
Storage
Keep HALDOL Injection in the pack until it is time to use them.
Keep HALDOL Injection in a cool dry place where the temperature is below
25°C. Do not freeze or refrigerate it. Protect it from light.
Keep your medicines where children cannot reach them. A locked cupboard at
least one-and-a-half metres (1.5 m) above the ground is a good place to store
medicines.
Do not store HALDOL, or any other medicine, in the bathroom or near a sink.
Do not leave medicines in the car or on window sills. Heat and dampness can
destroy some medicines.
Disposal
If your doctor tells you to stop using HALDOL Injection, or your medicine
has passed its expiry date, ask your pharmacist what to do with any medicine
which may be left over.
Product Description
What it looks like
HALDOL Injection is a slightly amber solution and comes in amber glass
ampoules. Each pack contains 5 ampoules.
Ingredients
Each mL of HALDOL Injection contains
- 50 mg (HALDOL) or 100mg (HALDOL CONCENTRATE) haloperidol decanoate as
the active ingredient - other ingredients: sesame oil vehicle, benzyl alcohol
