Consumer medicine information

METARAMINOL MYX®

Metaraminol Tartrate Injection


Consumer Medicine Information

What is in this leaflet

This leaflet answers some common questions about Metaraminol MYX® Injection. It does not contain all 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 being given Metaraminol MYX® Injection against the benefits it is expected to have for you.

If you have any concerns about being given this medicine, ask your doctor or pharmacist.

Keep this leaflet with the medicine. You may need to read it again.

What Metaraminol MYX® Injection is used for

The name of your medicine is Metaraminol MYX® Injection. It contains the active ingredient Metaraminol tartrate.

Metaraminol tartrate belongs to a group of medicines known as sympathomimetic amines. It strengthens the contraction of the heart muscle and constricts blood vessels to help increase the blood pressure.

Metaraminol MYX® Injection is used to increase your blood pressure which can drop during spinal anaesthesia or can drop as a reaction to medications or surgical complications.

Ask your doctor if you have any questions about why Metaraminol MYX® Injection has been prescribed for you. Your doctor may have prescribed it for another reason.

This medicine is available only with a doctor’s prescription. This medicine is not addictive.

Before you are given Metaraminol MYX® Injection

When you must not be given it

You should not be given Metaraminol MYX® Injection if you have an allergy to:

  • the active ingredient
  • any of the inactive ingredients mentioned at the end of this leaflet.

Symptoms of an allergic reaction include:

  • rash, asthma attack or hay fever
  • 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.

You should not be given Metaraminol MYX® Injection if:

  • you are being given cyclopropane or halothane anaesthesia (unless clinical circumstances demand their use).
  • it is past its expiry date or the packaging appears to have been tampered with.

Metaraminol MYX® Injection is not recommended for children.

Before you are given it

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

Tell your doctor if you have or have had any of the following medical conditions:

  • liver disease
  • heart or thyroid disease
  • high blood pressure
  • diabetes
  • malaria.

Tell your doctor if you are pregnant or plan on becoming pregnant or are breast-feeding while you are being given Metaraminol MYX® Injection. Your doctor can discuss with you the risks and benefits involved.

If you have not told your doctor about any of the above, tell them before you are given Metaraminol MYX® Injection.

Taking other medicines

Tell your doctor if you are taking any other medicine, including any that you buy without a prescription from your pharmacy, supermarket or health food shop.

Some medicines and Metaraminol MYX® Injection may interfere with each other.

These include:

  • certain medicines used to treat depression, e.g. Monoamine Oxidase Inhibitors (MAOI’s) or Tricyclic antidepressants (TCA’s)
  • digoxin, a medicine used to treat heart failure.

If you are unsure whether you are taking one of the above drugs, ask your doctor or pharmacist.

These medicines may be affected by Metaraminol MYX® Injection or may affect how well it works. You may need to use different amounts of your medicine, or you may need to take different medicines. Your doctor will advise you.

How to Metaraminol MYX® Injection is given

How much is given

The dose of Metaraminol MYX® Injection you will receive depends on your medical condition and other factors such as your weight.

How it is given

Metaraminol MYX® Injection is administered in a hospital as an injection into a vein or is diluted before use and given with fluids into a vein. This medicine must only be given by a doctor or nurse.

To reduce microbial hazard, use as soon as practicable after preparation. If storage is necessary, hold at 2-8°C for not more than 24 hours. The injection solution contains no antimicrobial preservative and is for single use in one patient only. Discard any residue.

If you are given too much (overdose)

Metaraminol MYX® Injection is administered in a hospital, under the supervision of a doctor. Therefore it is unlikely that you will receive too much. However, you should tell your doctor or nurse immediately if you feel unwell at all whilst you are being given Metaraminol MYX® Injection. You may need urgent medical attention.

While you are being given Metaraminol MYX® Injection

Things you must do

  • Always follow your doctor’s instructions carefully.
  • Your doctor or nurse will monitor your blood pressure.

Side effects

Tell your doctor or nurse as soon as possible if you do not feel well while you are being given Metaraminol MYX® Injection.

All medicines can have unwanted effects. Sometimes they are serious, most of the time they are not.

Tell your doctor immediately if you notice the following:

  • fast or pounding heartbeat.

This may be a serious side effect of Metaraminol MYX® Injection. You may need urgent medical attention.

If any of the following happen, tell your doctor immediately or go to Accident and Emergency at your nearest hospital:

  • swelling of the face, lips, mouth or throat which may cause difficulty in swallowing or breathing
  • breathlessness or any difficulty breathing.

These are very serious side effects. You may need urgent medical attention or hospitalisation. All of these side effects are very rare.

Tell your doctor if you notice anything that is making you fell unwell.

Other side effects not listed above may also occur in some people.

After being given Metaraminol MYX® Injection

Storage

Metaraminol MYX® Injection should only be given to you in a hospital.

It should be kept in the original packaging until it has been given to you.

Metaraminol MYX® Injection must be stored below 25°C. Protect from light.

Disposal

Any unused or out of date medicine should be returned to your pharmacist.

Product description

What Metaraminol MYX® Injection looks like

Metaraminol MYX® Injection is a clear, colourless sterile solution. It is supplied in a pack of 5 yellow glass ampoules. Each ampoule contains 1 mL of solution.

Ingredients

Active Ingredient

Each ampoule (1 mL) of Metaraminol MYX® Injection contains metaraminol tartrate equivalent to 10 mg of Metaraminol.

Inactive Ingredients

Each ampoule (1 mL) of Metaraminol MYX® Injection also contains sodium chloride 4.7 mg, citric acid monohydrate 0.1 mg, glacial acetic acid 1 mg, sodium acetate trihydrate 0.5 mg, disodium edetate 0.5 mg in water for injections to 1 mL.

Supplier

Metaraminol MYX® Injection is supplied in Australia by:

Mayne Pharma International Pty Ltd
ABN 88 007 870 984
1538 Main North Road
Salisbury South, SA 5106

This leaflet was prepared in February 2020.

Australian Register Number

Metaraminol MYX® Injection 10mg/1mL: AUST R 310904

MYX is a registered trade mark of Mayne Pharma International Pty Ltd.

Published by MIMS June 2021