Consumer medicine information

Anexate

Flumazenil

BRAND INFORMATION

Brand name

Anexate

Active ingredient

Flumazenil

Schedule

S4

 

Consumer medicine information (CMI) leaflet

Please read this leaflet carefully before you start using Anexate.

ANEXATE®

ANEXATE®


 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 ANEXATE?

ANEXATE contains the active ingredient flumazenil. ANEXATE is used to arouse people after surgery or benzodiazepine overdose.

For more information, see Section 1. Why am I using ANEXATE? in the full CMI.

 2. What should I know before I use ANEXATE?

Do not use if you have ever had an allergic reaction to ANEXATE 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.

For more information, see Section 2. What should I know before I use ANEXATE? in the full CMI.

 3. What if I am taking other medicines?

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

A list of these medicines is in Section 3. What if I am taking other medicines? in the full CMI.

 4. How do I use ANEXATE?
  • ANEXATE is given as an injection into a vein and must only be given by an anaesthetist or experienced physician.
  • Your doctor will decide what dose of ANEXATE you will receive. This depends on your condition.
  • Usually only a single dose of ANEXATE is required.

More instructions can be found in Section 4. How do I use ANEXATE? in the full CMI.

 5. What should I know while using ANEXATE?

Things you should do
  • Remind any doctor, dentist or pharmacist you visit that you are using Anexate.
  • Inform your doctor prior to using Anexate if you have other medical conditions especially the ones listed in section 2 of the full CMI.
  • Inform your doctor prior to using Anexate if you have been taking high doses of benzodiazepines and/or you have been taking benzodiazepines for a long time.
Things you should not do
  • Do not use this medicine if you are allergic to flumazenil, or any of the ingredients listed at the end of the full CMI.
  • Do not use this medicine if you are taking a benzodiazepine for control of a potentially life-threatening condition.
Driving or using machines
  • This medicine may cause drowsiness or dizziness in some people. This can be due to the possibility of re-sedation within the first 24 hours after administration of ANEXATE.
  • Do not drive, operate machinery or do anything else that could be dangerous within 24 hours after administration of ANEXATE.
Looking after your medicine
  • ANEXATE will be stored in the pharmacy or on the ward. It is kept in a cool dry place where the temperature stays below 30°C.

For more information, see Section 5. What should I know while using ANEXATE? in the full CMI.

 6. Are there any side effects?

For more information, including what to do if you have any side effects, see Section 6. Are there any side effects? in the full CMI.


ANEXATE®

Active ingredient(s): flumazenil


 Consumer Medicine Information (CMI)

This leaflet provides important information about using ANEXATE. 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 ANEXATE.

Where to find information in this leaflet:

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

1. Why am I using ANEXATE?

ANEXATE contains the active ingredient flumazenil. ANEXATE is used to reverse benzodiazepine overdose, both suspected and known.

ANEXATE is used to arouse people after surgery or benzodiazepine overdose.

Your doctor may have prescribed ANEXATE for another reason.

Ask your doctor if you have any questions why ANEXATE has been prescribed for you.

2. What should I know before I use ANEXATE?

Warnings

Do not use ANEXATE if:

  • you are allergic to flumazenil, 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 are taking a benzodiazepine for control of a potentially life-threatening condition

Check with your doctor if you:

  • have any other medical conditions such as:
  • epilepsy
  • severe liver disease
  • suffer from panic disorder
  • you have been taking high doses of benzodiazepines and /or you have been taking benzodiazepines for a long time.

If you have not told your doctor about any of the above, tell them before you are given ANEXATE.

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. The safety of flumazenil in human pregnancy has not been established.

Talk to your doctor if you are breastfeeding or intend to breastfeed. It is not known whether flumazenil is excreted in human milk.

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 ANEXATE. These medicines include:

  • Benzodiazepines, e.g. diazepam (Valium), bromazepam (Lexotan), temazepam (Temaze, Normison) etc.
  • anticonvulsants
  • antidepressants

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

4. How do I use ANEXATE?

How ANEXATE is given

  • as an injection into a vein. ANEXATE must only be given by an anaesthetist or experienced physician.

How much ANEXATE is given

  • Your doctor will decide what dose of ANEXATE you will receive. This depends on your condition.
  • Usually only a single dose of ANEXATE is required.

If you are given too much ANEXATE

Overdose of ANEXATE is unlikely to occur since it is administered by an experienced physician. If too much ANEXATE is administered, the doctor will monitor your vital signs and keep you under observation.

If you think that too much ANEXATE has been given to you

For information on the management of overdose you should:

  • phone the Poisons Information Centre
    (by calling 13 11 26), or
  • contact your doctor

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

5. What should I know while using ANEXATE?

Things you should do

Call your doctor straight away if you:

  • Do not feel well after you have been given ANEXATE.

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

Things you should not do

  • Do not take any other medicines whether they require a prescription or not without first telling your doctor.

Driving or using machines

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

ANEXATE may cause dizziness or drowsiness in some people. This can be due to the possibility of re-sedation within the first 24 hours after administration of ANEXATE.

Do not drive, operate machinery or do anything else that could be dangerous within the first 24 hours after administration of ANEXATE.

Drinking alcohol

Tell your doctor if you drink alcohol.

Looking after your medicine

  • ANEXATE will be stored in the pharmacy or on the ward.
  • It is kept in a cool dry place where the temperature stays below 30°C.
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 effectsWhat to do
  • nausea with or without vomiting
  • dizziness, lightheadedness
  • feeling anxious or fearful
  • rapid or irregular heartbeat
  • depression, tearfulness with or without agitation
Speak to your doctor if you have any of these less serious side effects and they worry you.

Serious side effects

Serious side effectsWhat to do
Some allergic reactions may be life-threatening, pay attention to the below symptoms which can indicate drug allergy:
  • 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
These may be related to the reversal of anaesthetic.
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 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 available only with a doctor's prescription and must be administered by an anaesthetist or experienced physician.

What ANEXATE contains

Active ingredient
(main ingredient)
Flumazenil
Each 5 mL ANEXATE ampoule contains 0.5 mg flumazenil as the active ingredient.
Other ingredients
(inactive ingredients)
  • disodium edetate
  • glacial acetic acid (260)
  • sodium chloride
  • sodium hydroxide
  • water for injections
Potential allergensThis medicine does not contain gluten, lactose, sucrose, tartrazine or any other azo dyes.

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

What ANEXATE looks like

ANEXATE is available as a clear, solution at a concentration of 0.1 mg per mL in 5 mL glass ampoules.

ANEXATE comes in a pack of 5 ampoules. (Aust R 13706).

Who distributes ANEXATE

Pharmaco (Australia) Ltd
Level 13, 465 Victoria Avenue
Chatswood NSW 2067
Australia
Phone: 1800 201 564

Under license of CHEPLAPHARM Arzneimittel GmbH, Germany

This leaflet was prepared in 17 April 2023.

Published by MIMS June 2023

BRAND INFORMATION

Brand name

Anexate

Active ingredient

Flumazenil

Schedule

S4

 

1 Name of Medicine

Flumazenil.

2 Qualitative and Quantitative Composition

Anexate is a colourless to almost colourless clear liquid.
Ampoules contain 0.5 mg active ingredient in 5 mL aqueous solution (for intravenous administration) and also the following ingredients: disodium edetate, acetic acid, sodium chloride, sodium hydroxide in water for injections adjusted to pH 4.0.
Excipients of known effect. Sodium chloride.

3 Pharmaceutical Form

See Section 2 Qualitative and Quantitative Composition.

4 Clinical Particulars

4.9 Overdose

There is very limited experience of acute overdose in humans with Anexate.
Even when given at a dosage of 100 mg i.v., no symptoms of overdosage were observed. For withdrawal symptoms attributable to the agonist, see Section 4.4 Special Warnings and Precautions for Use.
There is no specific antidote for overdose with Anexate. Treatment of an overdose with Anexate should consist of general supportive measures including monitoring of vital signs and observation of the clinical status of the patient.
For information on the management of overdose, contact the Poisons Information Centre on 13 11 26 (Australia).

5 Pharmacological Properties

5.3 Preclinical Safety Data

Genotoxicity. Flumazenil was not mutagenic in bacterial (Salmonella typhimurium or Saccharomyces cerevisiae) or mammalian (V79) cells in vitro nor clastogenic in human lymphocytes in vitro or rat micronuclei in vivo. Flumazenil caused a slight increase in unscheduled DNA synthesis in rat hepatocytes in vitro while no induction of DNA repair was observed in mouse germ cells in vivo.
Carcinogenicity. No long-term animal studies on the carcinogenic potential of flumazenil have been performed.

6 Pharmaceutical Particulars

6.7 Physicochemical Properties

The active ingredient of Anexate belongs to the chemical group of 1,2-imidazo benzodiazepines and is ethyl 8-fluoro-5,6-dihydro- 5-methyl-6-oxo-4H-imidazo [1,5-a] [1,4] benzodiazepine-3-carboxylate (flumazenil). It has a molecular weight of 303.3.
Chemical structure.
https://stagingapi.mims.com/au/public/v2/images/fullchemgif/CSFLUMAZ.gif CAS number. CAS registry number: 78755-81-4.

7 Medicine Schedule (Poisons Standard)

Schedule 4 - Prescription Only Medicine.

Summary Table of Changes

https://stagingapi.mims.com/au/public/v2/images/fulltablegif/ANEXATST.gif