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Active substance(s): GENTAMICIN SULPHATE

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Read all of this leaflet carefully before you start taking this medicine.
• Keep this leaflet. You may need to read it again.
• If you have further questions, please ask your doctor or pharmacist.
• This medicine has been prescribed for you. Do not pass it on to others. It may
harm them, even if their symptoms are the same as yours.
• If any of the side effects gets serious, or if you notice any side effects not listed in
this leaflet, please tell your doctor or pharmacist.
• Your doctor may have given you this medicine before from another company. It
may have looked slightly different. However, either brand will have the same
In this leaflet:
1. What gentamicin is and what it is used for
2. Before you have gentamicin
3. How to have gentamicin
4. Possible side effects
5. How to store gentamicin
6. Further information
The name of this medicine is Gentamicin Intrathecal 5mg/ml solution for injection
(called gentamicin in this leaflet). It contains a medicine called gentamicin sulphate.
This belongs to a group of antibiotics called ‘aminoglycosides’.
Gentamicin is used to treat infections caused by bacteria. This includes infections of the:
• Brain - including meningitis
• Spinal cord
Do not have this medicine if:
• You have Myasthenia Gravis or a related condition. This is a disease that causes
muscle weakness.
• You are allergic (hypersensitive) to gentamicin sulphate, any other
aminoglycosides (such as streptomycin) or to any of the other ingredients of this
medicine (see Section 6: Further Information).
Signs of an allergic reaction include: a rash, swallowing or breathing problems,
swelling of your lips, face, throat and tongue.
Do not have this medicine if any of the above applies to you. If you are not sure, talk
to your doctor or pharmacist before having gentamicin.
Take special care with gentamicin and check with your doctor or pharmacist
before having your medicine if:
• You have kidney problems, are over 65 years of age or the patient is less than 1
year old. This is because your doctor will need to keep a careful eye on you
during your treatment, to prevent damage to your ears. He may check your
hearing, your balance, how your kidneys are working and the amount of
gentamicin in your blood.
If you are not sure if any of the above applies to you, talk to your doctor or
pharmacist before having gentamicin.
Taking other medicines
Please tell your doctor or pharmacist if you are taking or have recently taken any
other medicines. This includes medicines obtained without a prescription, including
herbal medicines. This is because gentamicin can affect the way some other
medicines work. Also, some medicines can affect the way gentamicin works.
In particular tell your doctor if you are taking any of the following:
• Water tablets or injections (diuretics) such as furosemide or etacrynic acid
• Amphotericin B (used to treat fungal infections)
• Cephalosporin antibiotics such as cephaloridine
• Ciclosporin (used in organ transplants or for severe skin problems)
• Muscle relaxants - sometimes used during operations which need an anaesthetic
• Cisplatin (used to treat some cancers)
These medicines may increase the chances of getting certain side effects (see
Section 4: Possible side effects). If you are unsure about any of the above, consult
your doctor
Pregnancy and breast-feeding
Talk to your doctor before having this medicine if:
• You are pregnant, think you may be pregnant or plan to get pregnant. Gentamicin
should not normally be used during pregnancy.
• You are breast-feeding or planning to breast-feed
Important information about some of the ingredients of gentamicin
Gentamicin contains very little sodium. It contains less than 1 mmol sodium (23 mg)
per ampoule.


Gentamicin is always given to you by a doctor or nurse.
Having this medicine
Your doctor will decide how much to give you, depending on your weight. The correct
dose also depends on the type of infection and any other illnesses you may have.
Blood samples will be taken by your doctor or nurse to check the dose is right for you.
How much gentamicin is given
Adults and Children
• The usual starting dose is 1mg a day given into the brain or spine
(Intraventrically or Intrathecally).
• This dose may be increased or decreased by your doctor depending on your illness
• A separate injection into a muscle is given every 8 hours. This dose will be
decided by your doctor depending on your bodyweight.
If you have more gentamicin than you should
It is most unlikely that you will be given too much medicine by the doctor or nurse.
Your doctor or nurse will be checking your progress and checking the medicine that
you are given. Ask if you are not sure why you are getting a dose of medicine.
If you miss a dose of gentamicin
Gentamicin will be given to you by a doctor or nurse. It is most unlikely that you will
not be given the medicine as it has been prescribed. If you think that you may have
missed a dose then talk to your nurse or doctor.
If you stop having gentamicin
It is important that the course of treatment your doctor has prescribed is finished.
You may start to feel better but it is important to continue your treatment until the
doctor advises. If you stop, your infection may get worse again.
Like all medicines, gentamicin can cause side effects, although not everybody gets them.
Tell your doctor or nurse as soon as possible if any of the following side effects
• It becomes difficult keeping your balance, you feel dizzy or your hearing becomes
poor. Gentamicin can sometimes damage the ear. This is more likely to happen if
your kidneys do not work very well.
• If you notice anything unusual when you pass water, such as any sign of blood in
your water (urine) or you find you are passing less water than is normal for you.
This may mean you have kidney problems.
• If you have unusual difficulty in moving which has not happened before, feel weak
or unusually tired or have any breathing difficulties that have not happened
before. This may mean you have nerve or muscle problems.
Tell your doctor or nurse if any of the following side effects gets serious or last
longer than a few days. Also tell them if you notice any side effects not listed in
this leaflet
• Numbness, weakness and pain in the arms and legs (peripheral neuropathy)
Reporting of side effects
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes
any possible side effects not listed in this leaflet. You can also report side effects
directly via the Yellow Card Scheme at
By reporting side effects you can help provide more information on the safety of this
• You will not be asked to store your medicine. It will be brought to you ready to be
given straight away.
• Keep out of the reach and sight of children.
• Do not use this medicine after the expiry date shown on the pack.
• Store this medicine in a cold place.
• Do not dispose of medicines, which are no longer needed, by flushing down a
toilet or sink or by throwing out with your normal household rubbish. This will help
protect the environment.
What gentamicin contains
The active substance is gentamicin sulphate. Each ampoule contains the equivalent
of 5mg of gentamicin.
The other ingredients are sodium chloride and water for injections.
What gentamicin looks like and content of the pack
Gentamicin is available in packs of 5 ampoules.
The Marketing Authorisation Holder is: Zentiva, One Onslow Street, Guildford,
Surrey, GU1 4YS, UK
The Manufacturer is: Famar Health Care Services Madrid, S.A.U., Avda Leganes, 62,
Alcorcon 28923 Madrid, Spain.
This leaflet was last updated in February 2015
©2015 Zentiva.


Artworks Department. Madrid. Spain
Product Description: Gentamicin 5 mg / 1 ml amp.
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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.