Consumer medicine information

PATENT BLUE V solution for injection

Consumer Medicine Information

What is in this leaflet

Please read this leaflet carefully before you are given an injection of PATENT BLUE V. It tells you some of the more important points you need to know about this product.

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

What is in the injection

Patent Blue V is a sterile dye solution for injection. It belongs to the group of triphenylmethane dyes used to reveal vessels in order to improve the visualisation of certain vessels of your body.

What Patent Blue V is used for

PATENT BLUE V is used by your doctor to prepare a radiological examination or as a direct aid to diagnosis of some diseases.

Before receiving it

When you must not be given it

Before you receive an injection of PATENT BLUE V, you must tell your doctor if:

  • you are allergic (hypersensitive) to the active substance ‘patent blue’, to another triphenylmethane dye or any of the other ingredients of Patent Blue V listed at the end of this leaflet
  • you are pregnant.

Before you are given it

Tell your doctor if you are allergic to any other medicines or any foods, dyes or preservatives.

Tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a prescription. In particular, please inform your doctor if you are taking medicines for treating a heart condition or high blood pressure.

Tell your doctor if you are pregnant or you may be pregnant. You must never be given Patent Blue V if you are pregnant.

Tell your doctor if you are breastfeeding or planning to breastfeed.

Taking other medicines

Tell your doctor if you are taking any other medicines, including any that you get without a prescription from a pharmacy, supermarket or health food shop. Some medicines may interfere with PATENT BLUE V. These include medicines used to treat high blood pressure, such as beta-blocker or ACE inhibitor agents.

How it is given

PATENT BLUE V will be given to you in hospital or a clinic. The doctor will determine the dose that you will receive and will supervise the injection. PATENT BLUE V will be diluted with suitable fluids and then administered to you under the skin (subcutaneous route).

If you are given too much (overdose)

As you will be administered the injection under the supervision of your doctor, it is extremely unlikely that you will be given too much.

However, if you experience any side effects after being given this medicine, tell your doctor or nurse immediately.

Side effects

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

Tell your doctor if you notice any of the following:

  • bluish discolouration of the skin after injection, which disappears within the following 24 or 48 hours. If you have a disease affecting your lymph nodes (obstruction of lymph flow) or blood circulation disorders, this discolouration may last longer.
  • allergic reactions may also occur, such as:
    – spots on the skin, redness and itching (urticaria), sudden swelling of the face and neck or other parts of the body, breathing difficulties with a cough (bronchospasm)
    – very rarely, sudden fainting and an important drop in blood pressure that can be life-threatening (allergic shock).
    If you experience one of these effects, contact your doctor immediately.

Tell your doctor if you notice anything else that is making you feel unwell, even if you think the problems are not connected with this medicine and are not referred to in this leaflet. Other side effects not listed above may also occur in some people.

Do not be alarmed by this list of possible side effects. You may not experience any of them.

After being given it

As this is being given to you by a doctor, it is extremely unlikely that you will be expected to look after the injection. However, if you do have to, check the expiry date (EXP) printed on the label and do not use after this date. Also, do not use it if the packaging is torn or shows signs of tampering.

Keep all medicines in a safe place where children cannot reach them. They may be dangerous to children.


PATENT BLUE V should be stored below 25°C, protected from light.

Product description

PATENT BLUE V is a sterile, concentrated deep blue solution. Available in packs of 5 colourless 2 mL glass ampoules.

Active ingredient:

The active substance is patent blue V sodium salt. One 2 mL ampoule contains 50 mg patent blue V sodium salt.

Inactive ingredients:

Sodium chloride, sodium phosphate-dibasic and water for injections.


Guerbet Australia Pty Ltd
Sydney NSW, Australia.

Telephone: 1800 859 436


Australian Registration Number: AUST R 27539

This leaflet was revised in November 2021.

Published by MIMS January 2022