DBL Gentamicin Sulfate (gentamicin) Medication / Drug Information


Consumer Drug Information

What this leaflet contains

This leaflet answers some common questions about DBL Gentamicin Injection BP. This does not contain all the information available. It does not replace discussion with your healthcare professional.

All medications have risks and benefits. Your doctor has weighed the risks of administering DBL Gentamicin Injection BP against the expected benefits for you.

If you have any concerns about taking this medication, ask your healthcare professional.

Keep this leaflet.

You may need to read it again.

What is DBL Gentamicin Injection BP used for?

Gentamicin is used to treat serious bacterial infections. It is an antibiotic that belongs to a group of medicines called aminoglycoside antibiotics. It works by killing bacteria or preventing their growth.

Ask your doctor if you have any questions about why this medicine has been prescribed for you.

Your doctor may have prescribed gentamicin for another reason.

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

Before receiving DBL Gentamicin Injection BP

When it shouldn’t be given to you

You must not receive DBL Gentamicin Injection BP if you are allergic to:

any medicine containing gentamicin

or any of the ingredients listed at the end of this leaflet

or similar drugs such as other aminoglycoside antibiotics such as tobramycin, streptomycin, amikacin, netilmicin or neomycin.

Symptoms of an allergic reaction can 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.

If you’re not sure if any of these apply to you, talk to your healthcare professional.

You should not receive DBL Gentamicin Injection BP if you have ever had serious reactions (such as hearing loss or kidney problems) to gentamicin, amikacin, tobramycin or neomycin.

If you are unsure whether you should receive DBL Gentamicin Injection BP, talk to your healthcare professional.

before giving it to you

Tell your doctor if you have any allergies to any other drugs, foods, preservatives, or dyes.

Tell your doctor or pharmacist if you have or have had any medical conditions, especially the following:

kidney disease or kidney problems

hearing problems, or if you or your family have a mitochondrial mutation disease, or hearing loss due to antibiotic medicines; certain mitochondrial mutations may increase your risk of hearing loss with this product

muscle disorders (eg myasthenia gravis, Parkinson’s disease (a disease affecting movement)).

Tell your doctor or pharmacist if you are pregnant or intend to become pregnant or if you are breastfeeding.

Your doctor can discuss the risks and benefits with you.

If you have not told your doctor about any of the above, tell them before you are given DBL Gentamicin Injection BP.

Take other medications

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

Some drugs and gentamicin can interfere with each other. These include:

antibiotics to treat infections like colistin, vancomycin, clindamycin, cephalosporins and penicillins

water tablets (diuretics) (eg, frusemide, etacrynic acid, bumetanide)

cisplatin, a drug used to treat cancer

amphotericin, an antifungal medication

anesthetics (eg halothane)

muscle relaxants (eg suxamethonium).

These medicines may be affected by gentamicin or may affect how well it works. You may need different amounts of your medications or take different medications.

Your healthcare professional has more information about medicines to be careful with or avoid while receiving gentamicin.

How is DBL Gentamicin Injection BP administered?

how much is given

Your doctor will decide on the dose you will receive. It depends on your condition and other factors, such as your age, weight, and kidney function.

How is it given

DBL Gentamicin Injection BP should only be administered by a doctor, nurse or other qualified person. It is given by injection into a muscle or by slow injection into a vein (intravenously).

If you are given too much (overdose)

Since DBL Gentamicin Injection BP is usually given to you in hospital under the supervision of your doctor, it is very unlikely that you will receive an overdose.

Telephone your doctor or the Poison Control Center (telephone 13 11 26) immediately for advice, or go to the nearest hospital emergency room, if you think you or someone else has taken too much DBL Gentamicin Injection BP. Do this even if there are no signs of discomfort or poisoning.

You may need urgent medical attention.

Symptoms of gentamicin overdose may include the side effects listed below in the “Side Effects” section, but are usually more serious in nature.

While you are receiving DBL Gentamicin Injection BP

Things you must do

Tell all other doctors, dentists and pharmacists treating you that you are receiving gentamicin.

Things you must not do

Do not take any other medicine, whether prescription or over-the-counter, unless approved or recommended by a doctor or pharmacist who knows you are receiving gentamicin.

Side effects

Tell your healthcare professional as soon as possible if you do not feel well while receiving gentamicin or after the injection.

Gentamicin helps most people with certain infections, but it may have unwanted side effects in a few people.

All medicines can have side effects. Sometimes they’re serious, most of the time they’re not. You may need medical treatment if you experience some of the side effects.

If you are over 65, you may have an increased risk of side effects.

Do not be alarmed by this list of possible side effects.

You may not encounter any.

Ask your healthcare professional to answer all your questions.

Tell your healthcare professional if you notice any of the following and they worry you:

fever, sore mouth and gums

nausea or vomiting


unusual bleeding or bruising under the skin

weight loss, loss of appetite

weakness or fatigue

increased salivation

articular pain

hair loss


the Depression

injection site pain.

These side effects are usually mild.

If any of the following happen, tell your healthcare professional right away or go to the nearest hospital emergency room:

signs of an allergic reaction, such as a rash, itching or hives on the skin; swelling of the face, lips, tongue or other parts of the body; shortness of breath, wheezing or difficulty breathing.

severe headaches


hearing problems or ringing in the ears

balance problems

decreased urination

skin tingling, numbness, or muscle twitching

attacks (convulsions).

The above list includes some very serious side effects. You may need to see a doctor or be hospitalized. Serious side effects are rare.

Tell your healthcare professional if you notice anything that makes you feel unwell.

Other side effects not listed above may occur in some patients.

Some of these side effects can only be detected when your healthcare professional does tests from time to time to check your progress.

After receiving DBL Gentamicin Injection BP


DBL Gentamicin Injection BP will usually be kept at the pharmacy or on the ward. It is stored in a cool, dry place, away from light, where the temperature remains below 25°C.

Product Description

What did he look like

DBL Gentamicin Injection BP is a clear, colorless liquid contained in glass ampoules.


Active ingredients:

Each 1 mL of DBL Gentamicin Injection BP contains gentamicin sulfate equivalent to 10 mg.

Other Ingredients:

disodium edetate

water for injections.

DBL Gentamicin Injection BP does not contain lactose, sucrose, gluten, tartrazine or other azo dyes.


DBL Gentamicin Injection BP is supplied in Australia by:

Pfizer Australia Pty Ltd

Sydney New South Wales

Toll Free: 1800 675 229

© Copyright

DBL Gentamicin Injection BP is available in the following strengths and packaging:

10mg/ 1mL x 5 vials

AUST R 16339

This brochure was prepared in September 2022.

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