Consumer Medicine Information (CMI) summary
The
full CMI on the next page has more details. If you are worried about using this medicine,
speak to your doctor or pharmacist.
1. Why am I using Esmeron?
Esmeron contains the active ingredient rocuronium bromide. Esmeron is one of a group
of medicines called muscle relaxants.
Esmeron is used during an operation as part of the general anaesthetic. When you have
an operation, your muscles must be completely relaxed. This makes it easier for the
surgeon to perform the operation.
2. What should I know before I use Esmeron?
Do not use if you have ever had an allergic reaction to Esmeron or any of the ingredients
listed at the end of the CMI.
Talk to your doctor if you have any other medical conditions, take any other medicines,
or are pregnant or plan to become pregnant or are breastfeeding.
3. What if I am taking other medicines?
Some medicines may interfere with Esmeron and affect how it works.
4. How do I use Esmeron?
Esmeron will be given by a doctor. It will not be given to you until you are asleep
from the anaesthetic.
It will be injected into a vein before and/or during an operation. It will be given
as a single injection or continuous infusion.
5. What should I know after having Esmeron?
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Driving or using machines
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Your doctor will tell you when it is safe to drive and operate potentially dangerous
machinery after you have been given Esmeron
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6. Are there any side effects?
Like all medicines, Esmeron can cause side effects, although not everybody gets them.
Your doctor will discuss these with you and will explain the risks and benefits of
using Esmeron.
When you get Esmeron, you can have some serious side effects.
Active ingredient:
rocuronium bromide
Full Consumer Medicine Information (CMI)
This leaflet provides important information about using Esmeron. 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 Esmeron.
Where to find information in this leaflet:
1. Why am I using Esmeron?
Esmeron contains the active ingredient rocuronium bromide. Esmeron is one of a group of medicines called muscle relaxants.
Esmeron is used during an operation as part of the general anaesthetic. When you have an operation, your muscles must be completely relaxed. This makes it
easier for the surgeon to perform the operation.
Normally the nerves send messages to the muscles by impulses. Esmeron acts by blocking
these impulses so the muscles are relaxed. Because the muscles needed for breathing
also become relaxed you will need help with your breathing (artificial respiration)
during and after your operation until you can breathe on your own. During the operation
the effect of the muscle relaxant is constantly checked and if necessary some more
drug is given. At the end of the operation the effects of Esmeron are allowed to wear
off and you can start breathing on your own. Sometimes another drug is given to help
speed this up. Esmeron can also be used in Intensive Care to keep your muscles relaxed.
Esmeron is not addictive.
2. What should I know before I use Esmeron?
Warnings
If you are going to have an operation it is important that you discuss the following
points with your doctor, since it can influence the way Esmeron is given to you.
Do not use Esmeron if:
you are allergic to rocuronium bromide, or any of the ingredients listed at the end
of this leaflet.
Always check the ingredients to make sure you can use this medicine.
Some of the symptoms of an allergic reaction 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.
Check with your doctor if you:
have or have had any other medical conditions, especially the following:
an allergy to muscle relaxants
kidney disease
liver or gallbladder disease
a heart disease
diseases affecting nerves or muscles
oedema (local or generalised swelling due to fluid)
have any medical conditions that may affect how Esmeron works:
low potassium levels in the blood
high magnesium levels in the blood
low calcium levels in the blood
low levels of protein in the blood
dehydration
too much acid in the blood
too much carbon dioxide in the blood
general ill-health
overweight
burns
If you are suffering from any of these conditions your doctor will take this into
account when deciding the correct dose of Esmeron for you.
take any medicines for any other condition
have allergies to any other medicines
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.
Talk to your doctor if you are breastfeeding or intend to breastfeed.
Your doctor will discuss the risks and benefits of using Esmeron if you are pregnant
or breast-feeding.
Children / Elderly
Esmeron can be used in term newborn infants (0-28 days), infants (28 days-23 months),
children (2-11 years), adolescents (12-18 years) and elderly patients but your doctor
should first assess your medical history.
Elderly (65 years and older) may be at an increased risk of residual paralysis.
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 Esmeron, and affect how it works.
Medicines that may
increase
the effect of Esmeron include:
anaesthetics (medicines used to make you sleep during surgery)
long term concurrent use of corticosteroids (anti-inflammatory medicines) and Esmeron
in the Intensive Care Unit
antibiotics
lithium (medicines used to treat bipolar disorder)
quinidine, calcium channel blockers, beta-blockers and diuretics (fluid tablets) (medicines
used to treat heart disease or high blood pressure)
quinine (a medicine used to treat malaria)
magnesium salts
lidocaine and bupivacaine hydrochloride (local anaesthetics)
use of phenytoin (medicines used to treat epilepsy) during an operation
Medicines that may
reduce
the effect of Esmeron include:
long term use of carbamazepine and phenytoin (medicines used to treat epilepsy)
Medicines that have
variable
effect of Esmeron include:
other muscle relaxants
Esmeron may influence the effects of the following medicines:
the effect of local anaesthetics (lidocaine) may be increased
You may need to use different amounts of your medicines or take different medicines.
Your doctor will advise you.
If you are taking magnesium sulfate to treat toxaemia of pregnancy (preeclampsia),
tell your doctor as the dose of Esmeron may need to be reduced.
Your doctor will have a complete list of medicines that may cause problems when used
with Esmeron.
Check with your doctor or pharmacist if you are not sure about what medicines, vitamins
or supplements you are taking and if these affect Esmeron.
4. How do I use Esmeron?
How much to use
The doctor will determine the dose. The usual dose is 0.6 mg rocuronium bromide per
kg body weight and the effect lasts 30-40 minutes. During the operation your doctor
will check whether Esmeron is still working. You may be given additional doses if
they are needed.
When to use Esmeron
Esmeron will be given by a doctor. It will not be given to you until you are asleep
from the anaesthetic.
It will be injected into a vein before and/or during an operation. It will be given
as a single injection or continuous infusion.
If you are given too much Esmeron
As Esmeron doses are carefully worked out and are given by a doctor experienced in
its use, it is extremely unlikely that you will be given too much Esmeron. However,
if this does happen, your doctor will make sure that you continue breathing artificially
until you can breathe on your own again. Your doctor may speed-up your recovery by
giving you a drug that reverses the effects of Esmeron.
5. What should I know after having Esmeron?
Driving or using machines
Be careful before you drive or use any machines or tools until you know how Esmeron
affects you.
Your doctor will tell you when it is safe to drive and operate potentially dangerous
machinery after you have been given Esmeron.
Looking after your medicine
Esmeron is stored in the hospital.
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
Serious side effects
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Serious side effects
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What to do
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Signs and symptoms of cardiovascular problems:
fast heartbeat
dizziness, light-headedness (low blood pressure)
Signs and symptoms of muscle problems:
muscle weakness or paralysis
aching muscles or weakness, not caused by exercise
Signs and symptoms of lung problems:
wheezing, coughing
difficulty breathing
Signs and symptoms of allergic reactions:
rapid, shallow breathing, cold, clammy skin, a rapid, weak pulse, dizziness, weakness
and fainting
swelling of the face, lips, mouth, tongue or throat which may cause difficulty in
swallowing or breathing
sudden signs of allergy such as rash, itching, hives on the skin, swelling of the
face, lips, tongue or other parts of the body, shortness of breath, wheezing or trouble
breathing
severe allergic coronary blood vessels spasm (Kounis syndrome) resulting in chest
pain (angina) or heart attack (myocardial infarction)
Signs and symptoms of problems in other organs:
sudden fever with rapid heartbeat, rapid breathing and stiffness, pain and/or weakness
in your muscles
Dilated pupils (mydriasis) or fixed pupils
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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 after being discharged
from the hospital.
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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
www.tga.gov.au/reporting-problems . 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 Esmeron contains
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Active ingredient
(main ingredient)
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rocuronium bromide
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Other ingredients
(inactive ingredients)
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sodium acetate trihydrate
sodium chloride
glacial acetic acid
water for injection
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No preservative has been added.
Do not take this medicine if you are allergic to any of these ingredients.
What Esmeron looks like
Esmeron is clear, colourless to faintly yellow solution in a vial.
Esmeron 50 mg/5 mL injection is available in packs of 10 vials (AUST R 57063).
Who distributes Esmeron
Merck Sharp & Dohme (Australia) Pty Limited
Level 1, Building A, 26 Talavera Road, Macquarie Park NSW 2113, AUSTRALIA
This leaflet was prepared in May 2024.
RCN: 000024776-AU; 000026257-AU
Copyright © 2024 Merck & Co., Inc., Rahway, NJ, USA, and its affiliates. All rights
reserved.