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?
Chlorpromazine Intramuscular injection is to be injected into the buttock muscles.
Your doctor or nurse will administer the injection for you.
Chlorpromazine Intramuscular injection is given when you are not able to swallow pills or if you need urgent treatment for your condition. Your doctor will advise you about when you can switch from the injection to the pills.
In order for you to get the most benefit from Chlorpromazine Intramuscular injection, use it exactly as advised by your doctor.
Chlorpromazine Intramuscular injection must not be injected intravenously or subcutaneously.
What should I take note of while using/taking this medicine?
Alert your doctor if you have:
- any other mood disorders such as depression
- an enlarged prostate or difficulty urinating
- an artificial heart valve or other heart valve disease
- liver or kidney problems
- breathlessness or lung disease
- thyroid problems
- problems with blood clotting, especially a tendency to develop blood clots
- an adrenal gland tumour known as phaeochromocytoma
- recent stroke or a transient ischaemic attack (also known as a TIA or a "mini-stroke")
- high cholesterol
- poorly controlled high blood pressure
- Parkinson's or Alzheimer's disease
- epilepsy (fits)
- glaucoma (high pressure in the eye)
- myasthenia gravis (a condition that causes muscle weakness)
- intestinal blockage such as paralytic ileus
- breast cancer or cancers dependent on a hormone known as prolactin
You may need to have regular blood tests to monitor your body's response to Chlorpromazine. Your doctor will advise you about how often you need these tests.
If you are going for an operation, including minor operations and dental work, inform your doctor or dentist that you are being treated with Chlorpromazine.
Chlorpromazine may affect the ability of your body to adjust to temperature changes in the environment. Avoid exposure to very cold or very hot environments.
When should I not use this medicine?
Alert your doctor if you are pregnant or if you become pregnant while being treated with Chlorpromazine.
Do not breastfeed while being treated with Chlorpromazine.
Alert your doctor if you have heart disease, palpitations, a recent heart attack, a low blood cell count or other blood disorders.
Chlorpromazine is not suitable for elderly people with psychosis that is related to dementia.
Are there any restrictions on the type of food I can take?
Avoid alcohol. Alcohol will worsen the dizziness and drowsiness caused by Chlorpromazine.
Avoid drinks that contain caffeine such as coffee, tea and certain soft drinks.
Why do I need this medicine?
Chlorpromazine is used to treat schizophrenia and bipolar disorder (manic-depressive illness). It helps to quickly relieve symptoms common in schizophrenia and bipolar disorder, such as agitation, distress, distorted thinking and emotional instability.
Chlorpromazine is also used to treat other conditions such as
- severe nausea and vomiting in terminal illnesses such as terminal cancer
- severe hiccups that cannot be stopped
- irritability or aggressiveness in children with autism
Chlorpromazine may also be used for other medical conditions as decided by your doctor.
What side effects could I experience?
Chlorpromazine may make you drowsy or dizzy. If you feel drowsy or dizzy, or if Chlorpromazine causes your vision to become blurred, lie down and rest. Do not drive or take part in any activities in which you need to be alert or be able to see clearly.
Dizziness may be worse when you get up from a sitting or lying down position, especially if you are using Chlorpromazine Intramuscular injection for the first time or if your dose is still being adjusted. It will help if you get up slowly from a sitting or lying down position. Let your doctor know if you feel drowsy or dizzy after the injection. Your doctor may need to check your blood pressure and heart rate.
Other common side effects with Chlorpromazine include muscle stiffness, muscle spasm, involuntary movements and the urge to move about constantly. These are common in the first few days of treatment or if your dosage has been increased.
Chlorpromazine may also cause dry mouth, tiredness, difficulty urinating, constipation, problems sleeping, discolouration of your skin or urine, ejaculation problems and weight gain. Your skin may also become more sensitive to sunlight. Protect your skin from the sun with sunblock, an umbrella or a hat.
There may also be some pain and discomfort at the injection site. A small, hard lump may also form under the skin.
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
- uncontrolled muscle movements of your body or face, such as sticking out of the tongue, smacking of the lips
- shaky or trembling hands
- inability to coordinate your movements
- excessive sweating
- excessive drowsiness, dizziness or if you faint
- fever with persistent sore throat
- yellowing of your eyes or skin
- swelling, redness or pain of the lower leg
Alert your doctor if there are any severe side effects or if you develop any other side effects.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.
Store the injection in its original carton and protect from light. Light may cause the medication to lose some of its effectiveness. If the injection changes colour, do not use it.
Medicines must not be used past the expiry date.
Can I take/use this with other medicines?
Alert your doctor if you are taking any of these medicines:
- sleeping pills
- mood medicines such as amitriptyline, maprotiline, pimozide, sertindole, haloperidol, lithium, trazodone
- hay fever medicines such as antihistamines
- strong opioid-type painkillers such as morphine, codeine
- epilepsy (fits) medicines such as phenytoin, carbamazepine or phenobarbitone
- medicines used to treat Parkinson's disease such as levodopa, bromocriptine, lisuride, pergolide
- heart medicines such as quinidine, disopyramide, amiodarone, procainamide, sotalol, dofetilide, bretylium, verapamil, captopril
- high blood pressure medicines such as propranolol, guanethidine, methyldopa, clonidine, metirosine and diuretics (water pills)
- antiviral medicines such as ritonavir and delavirdine
- malaria medicines such as quinine, mefloquine, artemisinin and artemether
- diabetes medicines such as glimepiride, metformin and repaglinide
- metoclopromide (medicine to treat vomiting)
- antibiotics such as moxifloxacin and sparfloxacin
- amfetamines (medicines used to treat childhood hyperactivity problems)
- deferiprone (medicine used to treat iron overload in patients with thalassaemia)
- stomach medicines such as cimetidine, cisapride
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.