Consumer medicine information

SEVREDOL® tablets


Limitations of use

SEVREDOL should only be used when your doctor decides that other treatment options are not able to effectively manage your pain or you cannot tolerate them.

Hazardous and harmful use

SEVREDOL poses risks of abuse, misuse and addiction which can lead to overdose and death. Your doctor will monitor you regularly during treatment.

Life threatening respiratory depression

SEVREDOL can cause life-threatening or fatal breathing problems (slow, shallow, unusual or no breathing) even when used as recommended. These problems can occur at any time during use, but the risk is higher when first starting SEVREDOL and after a dose increase, if you are older, or have an existing problem with your lungs. Your doctor will monitor you and change the dose as appropriate.

Use of other medicines while using SEVREDOL

Using SEVREDOL with other medicines that can make you feel drowsy such as sleeping tablets (e.g. benzodiazepines), other pain relievers, antihistamines, antidepressants, antipsychotics, gabapentinoids (e.g. gabapentin and pregabalin), cannabis and alcohol may result in severe drowsiness, decreased awareness, breathing problems, coma and death. Your doctor will minimise the dose and duration of use; and monitor you for signs and symptoms of breathing difficulties and sedation. You must not drink alcohol while using SEVREDOL.

SEVREDOL® tablets

Active ingredient: morphine sulfate pentahydrate

Consumer Medicine Information (CMI)

This leaflet provides important information about using SEVREDOL. You should also speak to your doctor or pharmacist if you would like further information or if you have any concerns or questions about using SEVREDOL.

Where to find information in this leaflet:

1. Why am I using SEVREDOL?
2. What should I know before I use SEVREDOL?
3. What if I am taking other medicines?
4. How do I use SEVREDOL?
5. What should I know while using SEVREDOL?
6. Are there any side effects?
7. Product details

1. Why am I using SEVREDOL?

SEVREDOL contains the active ingredient morphine sulfate pentahydrate. Morphine belongs to a group of medicines called opioid analgesics.

SEVREDOL is used for the treatment of chronic severe pain of cancer.

2. What should I know before I use SEVREDOL?


Do not use SEVREDOL if:

  • you are allergic to morphine, or any of the ingredients listed at the end of this leaflet. Always check the ingredients to make sure you can use this medicine.
  • you have acute breathing difficulties such as bronchitis or asthma
  • you have severe abdominal pain with bloating, cramps or vomiting
  • you have a condition where your small bowel does not work properly
  • you take medicine for depression called a ‘monoamine oxidase inhibitor’ or have taken any in the last two weeks
  • you are pregnant or in labour.

Check with your doctor if you:

  • are severely drowsy, have a reduced level of consciousness or are feeling faint or dizzy upon standing
  • have heart problems or heart disease
  • have low blood pressure
  • have chronic lung disease
  • suffer from sleep apnoea (temporarily stop breathing while you sleep)
  • have just drunk a large amount of alcohol, regularly drink large amounts of alcohol or have confusion and shaking due to stopping drinking alcohol
  • suffer from convulsions, fits or seizures
  • have a head injury, brain tumour or increased pressure in your head
  • are about to have surgery, had recent gastrointestinal surgery or have had other surgery in the last 24 hours
  • have chronic liver or kidney disease
  • have increased prostate size or difficulty passing urine
  • have problems with your gall bladder
  • have problems with or recent surgery of your bile duct
  • have inflammation of the pancreas
  • have adrenal glands which are not working properly
  • have an underactive thyroid gland
  • have a severe mental condition involving losing contact with reality or an inability to think clearly
  • have an addiction or history of abuse of alcohol, opioids or other drugs.

During treatment, you may be at risk of developing certain side effects. It is important you understand these risks and how to monitor for them. See additional information under Section 6. Are there any side effects?

Pregnancy and breastfeeding

Check with your doctor if you are pregnant or intend to become pregnant.

SEVREDOL given to the mother during labour can cause breathing problems and signs of withdrawal in the newborn.

Talk to your doctor if you are breastfeeding or intend to breastfeed. Low levels of opioid analgesics have been detected in human milk.


You can become addicted to SEVREDOL even if you take it exactly as prescribed. SEVREDOL may become habit forming causing mental and physical dependence. If abused, it may become less able to reduce pain.


As with all other opioid containing products, your body may become used to you taking SEVREDOL. Taking it may result in physical dependence. Physical dependence means that you may experience withdrawal symptoms if you stop taking SEVREDOL suddenly, so it is important to take it exactly as directed by your doctor.


Tolerance to SEVREDOL may develop, which means that the effect of the medicine may decrease. If this happens, more may be needed to maintain the same effect.


Continue taking your medicine for as long as your doctor tells you. If you stop having this medicine suddenly, your pain may worsen and you may experience some or all of the following withdrawal symptoms:

  • nervousness, restlessness, agitation, trouble sleeping or anxiety
  • body aches, weakness or stomach cramps
  • loss of appetite, nausea, vomiting or diarrhoea
  • increased heart rate, breathing rate or pupil size
  • watery eyes, runny nose, chills or yawning
  • increased sweating.

3. What if I am taking other medicines?

Tell your doctor or pharmacist if you are taking any other medicines, including any medicines, vitamins or supplements that you buy without a prescription from your pharmacy, supermarket or health food shop.

Some medicines may interfere with SEVREDOL and affect how it works.

Using SEVREDOL with medicines that can make you feel drowsy may result in severe drowsiness, decreased awareness, breathing problems, coma and death. These medicines include:

  • sleeping tablets and other sedatives (including benzodiazepines and barbiturates)
  • gabapentinoids
  • cannabis
  • antihistamines
  • anxiolytics
  • general anaesthetics
  • antiemetics
  • antidepressants (including tricyclic antidepressants)
  • antipsychotics (including phenothiazines)
  • neuroleptics
  • beta-blockers (medicines used to treat high blood pressure)
  • other opioids
  • alcohol.

SEVREDOL may enhance the action of neuromuscular blocking agents (medicines used to relax muscles) and affect your breathing.

SEVREDOL may increase the anticoagulant activity of coumarin and other anticoagulants (medicines used to prevent blood clots).

SEVREDOL should not be used if you are taking non-selective monoamine oxidase inhibitors (MAOIs) or within 14 days of stopping such treatment.

Check with your doctor or pharmacist if you are not sure about what medicines, vitamins or supplements you are taking and if these affect SEVREDOL.

4. How do I use SEVREDOL?

How much to take

  • Your doctor will tell you how much to take.
  • Follow the instructions provided and use SEVREDOL until your doctor tells you to stop.

When to take SEVREDOL

  • Take SEVREDOL every 4 hours or as directed by your doctor.
  • Take SEVREDOL at about the same time each day.

How to take SEVREDOL

  • Swallow SEVREDOL tablets with a glass of water.
  • SEVREDOL can be taken before or after food, but try to take it the same way every time.

If you begin to experience pain, tell your doctor as your dosage may have to be reviewed.

If you forget to use SEVREDOL

If you are taking regular doses of SEVREDOL, you should take it at the same time each day. If you miss your dose at the usual time, you may take SEVREDOL as soon as you remember or think you need it.

If it is almost time for your next dose, skip the dose you missed and take your next dose when you are meant to.

Do not take a double dose to make up for the dose you missed.

This may increase the chance of getting unwanted side effects including severe drowsiness, decreased awareness, breathing problems, coma and death.

If you use too much SEVREDOL (overdose)

If you or someone else receive too much (overdose), and experience one or more of the symptoms below, call triple zero (000) for an ambulance. Keep the person awake by talking to them or gently shaking them every now and then. You should follow the above steps even if someone other than you have accidentally used SEVREDOL that was prescribed for you. If someone takes an overdose, they may experience one or more of the following symptoms:

  • slow, unusual or difficult breathing
  • drowsiness, dizziness or unconsciousness
  • slow or weak heartbeat
  • nausea or vomiting
  • convulsions or fits.

If you think you or someone else may have used too much SEVREDOL you should immediately:

  • phone the Poisons Information Centre (by calling 13 11 26), or
  • contact your doctor, or
  • go to the Emergency Department at your nearest hospital.

You should do this even if there are no signs of discomfort or poisoning.

When seeking medical attention, take this leaflet and remaining medicine with you to show the doctor. Also tell them about any other medicines or alcohol which have been taken.

5. What should I know while using SEVREDOL?

Things you should do

Call your doctor straight away if you:

  • become pregnant
  • feel your pain is getting worse.

Remind any doctor or dentist or pharmacist you visit that you are using SEVREDOL.

If you are going to have surgery, tell the surgeon or anaesthetist that you are taking this medicine.

Things you should not do

Do not stop using this medicine suddenly. If you stop taking SEVREDOL suddenly, your pain may worsen and you may experience withdrawal symptoms.

Do not take SEVREDOL to treat any other complaint unless your doctor tells you to.

Do not give this medicine to anyone else, even if they have the same condition as you.

Driving or using machines

Be careful before you drive or use any machines or tools until you know how SEVREDOL affects you.

SEVREDOL may cause drowsiness or impair mental and/or physical ability in some people.

Drinking alcohol

Tell your doctor if you drink alcohol.

Alcohol may make you feel more sleepy, and could increase the risk of serious side effects, such as shallow breathing with the risk of stopping breathing and loss of consciousness.

Looking after your medicine

  • Store below 30°C.

Follow the instructions on the carton on how to take care of your medicine properly.

Store it in a cool dry place away from moisture, heat or sunlight; for example, do not store it:

  • in the bathroom or near a sink, or
  • in the car or on window sills.

Keep it where young children cannot reach it. A locked cupboard at least one-and-a-half metres above the ground is a good place to store medicines.

Getting rid of any unwanted medicine

If you no longer need to use this medicine or it is out of date, take it to any pharmacy for safe disposal.

Do not use this medicine after the expiry date.

6. Are there any side effects?

All medicines can have side effects. If you do experience any side effects, most of them are minor and temporary. However, some side effects may need medical attention.

See the information below and, if you need to, ask your doctor or pharmacist if you have any further questions about side effects.

Less serious side effects

Less serious side effects What to do
Gastrointestinal and urinary related:

  • constipation
  • nausea or vomiting
  • difficulty urinating

Neurological and behavior related:

  • dizziness
  • drowsiness
  • headache

Allergy related:

  • sweating
Speak to your doctor if you have any of these less serious side effects and they worry you.

Serious side effects

Serious side effects What to do
Breathing related:

  • difficulty breathing or shallow breathing

Neurological and behavior related:

  • light-headedness, fainting or dizziness especially when standing up
  • changes in mood
  • drowsiness or feeling extremely sedated
  • feeling disorientated and having nightmares

Heart related:

  • slow or noticeable heartbeats

Gastrointestinal and urinary related:

  • severe stomach pain with nausea or vomiting
  • difficulty urinating

Allergy related:

  • shortness of breath, swelling of the face, lips, tongue or other parts of the body
Call your doctor straight away, or go straight to the Emergency Department at your nearest hospital if you notice any of these serious side effects.

Tell your doctor or pharmacist if you notice anything else that may be making you feel unwell.

Other side effects not listed here may occur in some people.

Reporting side effects

After you have received medical advice for any side effects you experience, you can report side effects to the Therapeutic Goods Administration online at By reporting side effects, you can help provide more information on the safety of this medicine.

Always make sure you speak to your doctor or pharmacist before you decide to stop taking any of your medicines.

7. Product details

This medicine is only available with a doctor’s prescription.

What SEVREDOL contains

Active ingredient
(main ingredient)
Morphine sulfate pentahydrate
Other ingredients
(inactive ingredients)
Pregelatinised maize starch
Magnesium stearate
Purified talc
Titanium dioxide
the 10 mg tablet contains hypromellose, macrogol 400 and brilliant blue FCF (CI42090 / E133);
the 20 mg tablet contains macrogol 3350, polyvinyl alcohol, erythrosine aluminium lake (CI45430 / E127) and sunset yellow aluminium lake (CI15985 / E110)
Potential allergens Lactose

Do not take this medicine if you are allergic to any of these ingredients.

What SEVREDOL looks like

SEVREDOL 10 mg tablets are blue, film coated, biconvex capsule-shaped tablets with a scoreline and marked with ‘IR’ and ’10’ on one side (Aust R 47543)

SEVREDOL 20 mg tablets are pink, film coated, biconvex capsule-shaped tablets with a scoreline and marked ‘IR’ and ’20’ on one side (Aust R 214089)

Who distributes SEVREDOL

Mundipharma Pty Limited
ABN 87 081 322 509
88 Phillip Street
Phone: 1800 188 009

This leaflet was prepared in July 2020.

® SEVREDOL is a trade mark of MUNDIPHARMA.
Orbis RA-0280-008