Consumer Medicine Information
What is in this leaflet
This leaflet answers some common questions about Edronax.
It does not contain all of 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 you taking
Edronax against the benefits it is expected to have for you.
If you have any concerns about taking this medicine, ask your doctor or pharmacist.
Keep this leaflet with the medicine.
You may need to read it again.
What EDRONAX is used for
What it does
Edronax is used to treat depression.
How it works
Depression is longer lasting and/or more severe than the 'low moods' everyone has
from time to time due to the stress of everyday life. It is thought to be caused by
a chemical imbalance in parts of the brain.
Edronax may correct this chemical imbalance and help to relieve the symptoms of depression.
Ask your doctor if you have any questions about why this medicine has been prescribed
Your doctor may have prescribed it for another reason.
There is no evidence that Edronax is addictive.
This medicine is available only with a doctor's prescription.
Use in Children
There is not enough information to recommend the use of this medicine in children
or adolescents younger than 18 years.
Before you take EDRONAX
When you must not take it
Do not take Edronax if you have an allergy to:
any medicine containing reboxetine
any of the ingredients listed at the end of this leaflet.
Some of the symptoms of an allergic reaction to Edronax may include:
shortness of breath
wheezing or difficulty breathing
swelling of the face, lips, tongue or other parts of the body
rash, itching or hives on the skin.
Do not take Edronax if you are taking other medicines used to treat depression such
as monoamine oxidase inhibitors (MAOIs).
Do not take Edronax if you have glaucoma (high pressure in the eye).
Do not give this medicine to children or adolescents under the age of 18 years.
Safety and effectiveness in children or adolescents younger than 18 years have not
Do not take this medicine after the expiry date (EXP) printed on the pack or if the
packaging is torn or shows signs of tampering.
If it has expired or is damaged, return it to your pharmacist for disposal.
If you are not sure whether you should start taking this medicine, talk to your doctor
Before you start to take it
Tell your doctor or pharmacist if you have allergies to any other medicines, foods,
preservatives or dyes.
Tell your doctor or pharmacist if you are pregnant or plan to become pregnant or are
Your doctor or pharmacist can discuss with you the risks and benefits involved.
Tell your doctor or pharmacist if you have or have had any of the following medical
liver or kidney disease
fits or seizures
severe mood swings
difficulty in passing urine
heart problems, including high blood pressure, particularly if you are over 65 years
old, heart failure, recent heart attack
overactive thyroid gland.
Taking other medicines
Tell your doctor or pharmacist if you are taking any other medicines including:
all prescription medicines
all medicines, vitamins, herbal supplements or natural therapies you buy without a
prescription from a pharmacy, supermarket, naturopath or health food shop.
Some medicines may be affected by Edronax or may affect how well it works. You may
need different amounts of your medicines, or you may need to take different medicines.
Your doctor will advise you.
Tell your doctor or pharmacist if you are taking any of the following:
medicines used to lower blood pressure
medicines used to treat fungal or bacterial infections
carbamazepine and phenobarbital, medicines used to control fits or seizures
potassium-depleting diuretics, medicines used to remove fluid
fluvoxamine, a medicine used to treat depression
ergot derivatives or triptans medicines used to treat migraine
other medicines used to treat mental conditions or pain conditions (e.g., selective
serotonin reuptake inhibitors, other serotonin-norepinephrine reuptake inhibitors,
tricyclic and tetracyclic antidepressants, lithium, opioids, tryptophan, buspirone,
monoamine oxidase inhibitors, and St. John’s Wort).
Your doctor and pharmacist have more information on medicines to be careful with or
avoid while taking this medicine.
How to take EDRONAX
Follow all directions given to you by your doctor or pharmacist carefully.
They may differ from the information contained in this leaflet.
If you do not understand the instructions on the label, ask your doctor or pharmacist
How much to take
Your doctor will tell you how many tablets you need to take each day. This may depend
on your age, your condition and whether or not you are taking any other medicines.
The usual dose of Edronax in adults is 4 mg taken twice a day. After 3 weeks your
doctor may increase the dose up to 10 mg per day, if required.
If you are over 65 years or have poor kidney or liver function, the usual starting
dose is 2 mg taken twice a day. After 3 weeks your doctor may increase the dose up
to 6 mg per day, if required.
How to take it
Swallow the tablets whole with a glass of water.
Edronax tablets can be broken in half along the breakline if your doctor has prescribed
a half tablet.
When to take it
Take your medicine at about the same time each day, once in the morning and once at
Taking it at the same time each day will have the best effect. It will also help you
remember when to take it.
It does not matter if you take this medicine before or after food.
How long to take it
Most antidepressants take some time to work, so do not be discouraged if you do not
feel better straight away. Some of your symptoms may improve after two weeks but it
may take four to six weeks for you to start to feel the full benefit of Edronax. You
may need to take Edronax for several months or longer.
Continue taking your medicine for as long as your doctor tells you.
This medicine helps to control your condition, but does not cure it. It is important
to keep taking your medicine even if you feel well.
If you forget to take 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.
Otherwise, take it as soon as you remember, and then go back to taking your medicine
as you would normally.
Do not take a double dose to make up for the dose that you missed.
This may increase the chance of you getting an unwanted side effect.
If you are not sure what to do, ask your doctor or pharmacist.
If you have trouble remembering to take your medicine, ask your pharmacist for some
If you take too much (overdose)
Immediately telephone your doctor or the Australian Poisons Information Centre (telephone
13 11 26) or the New Zealand National Poisons Information Centre (telephone 0800 POISON
or 0800 764 766), or go to Accident and Emergency at your nearest hospital, if you
think that you or anyone else may have taken too much Edronax.
Do this even if there are no signs of discomfort or poisoning.
You may need urgent medical attention.
If you take too much Edronax you may feel nervous, dizzy or have a fast heart rate.
While you are taking EDRONAX
Things you must do
If you become pregnant while taking this medicine, tell your doctor or pharmacist
Tell any other doctors, dentists, and pharmacists who treat you that you are taking
If you are about to be started on any new medicine, remind your doctor and pharmacist
that you are taking Edronax.
If you are going to have surgery, tell the surgeon or anaesthetist that you are taking
It may affect other medicines used during surgery.
Tell your doctor if, for any reason, you have not taken your tablets exactly as prescribed.
Otherwise your doctor may think that it was not effective and may change your treatment
Tell your doctor immediately if you have any suicidal thoughts or other mental/mood
A worsening of depressive symptoms including thoughts of suicide or self-harm may
occur in the first one or two months of you taking Edronax or when the doctor changes
your dose. These symptoms should be controlled when the full effect of Edronax takes
Young adults under 24 years of age are more likely to experience these effects during
the first few months of treatment.
Patients and caregivers should be alert and monitor for these effects.
Signs and symptoms of suicide include:
Thoughts or talk of death or suicide
Thoughts or talk of self-harm or harm to others
Any recent attempts of self-harm
Increase in aggressive behaviour, irritability or agitation.
Any mention of suicide or violence must be taken seriously.
If you or someone you know is demonstrating these warning signs of suicide while taking
Edronax, contact your doctor or a mental health professional right away.
Discuss with your doctor any problems you may have and how you feel, especially any
feelings of severe sadness or unusual bursts of energy or anger.
This will help the doctor determine the best treatment for you.
Keep all your doctor's appointments so that your progress can be checked.
Your doctor may do some tests from time to time to make sure the medicine is working
and to prevent unwanted side effects.
Things you must not do
Do not give your medicine to anyone else, even if they have the same condition as
Do not take Edronax to treat any other complaints unless your doctor or pharmacist
tells you to.
Do not take any other medicines, whether they require a prescription or not, without
first telling your doctor.
Do not stop taking your medicine, or change the dosage, without checking with your
doctor or pharmacist.
Things to be careful of
Be careful driving or operating machinery until you know how Edronax affects you.
As with other medicines for depression, this medicine may cause dizziness or drowsiness
in some people. Make sure you know how you react to Edronax before you drive a car,
operate machinery, or do anything else that could be dangerous.
Tell your doctor or pharmacist as soon as possible if you do not feel well while you
are taking Edronax.
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 of the side effects.
It can be difficult to tell whether side effects are the result of taking Edronax,
effects of your condition or side effects of other medicines you may be taking. For
this reason it is important to tell your doctor of any change in your condition.
Do not be alarmed by the list of 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...
Tell your doctor or pharmacist if you notice any of the following and they worry you:
constipation or diarrhoea
fast heart beat
difficulty passing urine
unusual tiredness or weakness
tingling or numbness of the hands or feet.
restless leg syndrome
hair and skin problems
flushing of the skin (sudden reddening of the face, neck, or upper chest) due to increased
The above list includes the more common side effects of your medicine. They are usually
mild and short-lived.
Tell your doctor as soon as possible if...
Tell your doctor as soon as possible if you notice any of the following:
bleeding or bruising more easily than normal
frequent signs of infection such as fever, sore throat, severe chills, mouth ulcers
coldness or loss of blood to your extremities
involuntary muscle movements such as tremor, clonus (muscle contractions or spasms
that lead to muscle tightness and pain), and hyperreflexia (overactive reflexes)
tiredness, headache, shortness of breath when exercising, dizziness or pale skin.
Go to hospital if...
Tell your doctor immediately or go to Accident and Emergency at your nearest hospital
if you notice any of the following:
fits or seizures
thoughts of suicide or attempting suicide or self harm
change in heart beat (fast, slow, irregular), sometimes with fainting/loss of consciousness
itching skin rash or hives
shortness of breath, wheezing or trouble breathing
swelling of the face, lips, tongue or other part of the body.
The above list includes very serious side effects. You may need urgent medical attention
or hospitalisation. These side effects are very rare.
Tell your doctor or pharmacist if you notice anything that is making you feel unwell.
Other side effects not listed above may occur in some people.
Some of these side effects (for example, high cholesterol, abnormal liver function
tests) can only be found when your doctor does tests from time to time to check your
After taking EDRONAX
Keep your tablets in the pack or bottle until it is time to take them.
If you take the tablets out of the pack or bottle they may not keep well.
Keep your tablets in a cool dry place where the temperature stays below 25°C.
Do not store Edronax or any other medicine in the bathroom or near a sink. Do not
leave it on a window sill or in the car.
Heat and dampness can destroy some medicines.
Keep it where children cannot reach it.
A locked cupboard at least one-and-a-half metres above the ground is a good place
to store medicines.
If your doctor or pharmacist tells you to stop taking this medicine or the expiry
date has passed, ask your pharmacist what to do with any medicine that is left over.
What it looks like
Edronax Tablets 4 mg are white, convex, round tablets with a breakline on one side
and engraved 'P' on the left of the breakline and 'U' on the right side of the breakline,
and '7671' on the opposite side.
Each 4 mg tablet contains 4 mg of reboxetine as mesilate.
calcium hydrogen phosphate dihydrate.
This medicine does not contain lactose, sucrose, gluten, tartrazine or any other azo
Edronax is supplied in Australia by:
Pfizer Australia Pty Ltd
Sydney NSW 2000
Toll Free number: 1800 675 229
Australian Registration Number
4 mg tablets: AUST R 79745
This leaflet was prepared in November 2022.
® Registered trademark.