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LIQUID MEDICAL OXYGEN

Active substance(s): OXYGEN

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Liquid Medical Oxygen
Medicinal gas, cryogenic
Package Leaflet: Information for the User
Liquid Medical Oxygen,
Oxygen 99.5%,
Medicinal gas, cryogenic
Read all of this leaflet carefully before you start
using this medicine.
• Keep this leaflet as you may need to read it
again.
• If you have further questions, ask your
healthcare professional (doctor, nurse or
pharmacist).
• This medicine has been prescribed for you.
• Do not pass it on to others as it may harm them,
even if their symptoms are the same as yours.
• If any of the side effects become serious, or
if you notice any side effects not listed in this
leaflet, please tell your healthcare professional
immediately.
This leaflet gives you information about:
1. What is Liquid Medical Oxygen and what is it
used for
2. Things to consider before use
3. How to use Liquid Medical Oxygen
4. Possible side effects
5. How to store Liquid Medical Oxygen cylinders
6. Further Information

BOC: Living Healthcare

1. WHAT IS LIQUID MEDICAL OXYGEN AND
WHAT IS IT USED FOR
Liquid Medical Oxygen is supplied and stored as a
liquid at very low temperatures, in cylinders and
storage tanks. It is converted to Medical Oxygen,
a gas at normal temperatures, for you to breathe
when required. In hospitals, the converted Medical
Oxygen is supplied to you via a medical gas
pipeline system.
Medical Oxygen is used:
• during anaesthesia and for recovery following
surgery
• to treat or prevent oxygen deficiency in the
body in many different situations such as:
• surgery or major trauma such as a road
traffic accident
• heart attacks
• severe blood loss
• carbon monoxide poisoning
• severe lung and heart conditions
• very high fevers
• for resuscitation of adults, children and babies.

Liquid Medical Oxygen Medicinal gas, cryogenic

2. THINGS TO CONSIDER BEFORE USE
Medical Oxygen is only prescribed to you by a
healthcare professional.
Ensure that your healthcare professional is aware of
any medical conditions that you may have.
Take special care when using Medical Oxygen if:
• your baby requires extra oxygen and is
premature. Only give the amount of Medical
Oxygen advised by your healthcare professional.
• you are suffering from chronic lung disease,
such as bronchitis or emphysema. The amount
of Medical Oxygen used must be carefully
controlled to the flow rate you have been
advised to use by your healthcare professional.
• you have accidentally taken Paraquat (a
type of weed killer), advise your healthcare
professional before using Medical Oxygen, as
there is a possibility of toxic effects to the lungs.
As Liquid Medical Oxygen is stored as a very cold
liquid under pressure, rapid opening of the outlet
valve will either cause very cold gas or liquid to be
discharged. If this gas or liquid comes in contact
with the skin it will cause cold burns. Parts of the
cylinder can also become very cold, when in use.
This will be evident by ice forming on the cold
sections and care should betaken not to touch
these areas.
If you have received a cold burn intense pain may
be experienced when the skin starts to thaw. To
treat cold burns:
• loosen any clothing restricting blood flow and
get medical help immediately.

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• do not apply any direct heat to the affected
area.
• place the affected area(s) in lukewarm water.
• use sterile, dry dressings to protect the
damaged skin.
Your clothing could become saturated with oxygen
if either liquid or excessive gas come in contact
with it. If your clothing becomes saturated you
should walk around in a well-ventilated area for 5
minutes, keeping well away from naked flames and
sources of ignition.
Taking other medicines
If you have been taking or prescribed Bleomycin
(to treat cancer), Amiodarone (to treat an irregular
heartbeat), or Nitrofurantoin and similar antibiotics
(to treat infection), advise your healthcare
professional before using Medical Oxygen, as there
is a possibility of toxic effects to the lungs.
Tell your healthcare professional if you are taking or
have recently taken any other medicines, including
medicines obtained without a prescription.
Pregnancy and breast feeding
Medical Oxygen will not affect you or your baby if
used during pregnancy or whilst breast feeding.
Driving and using machines
You may drive and use machines after using
Medical Oxygen providing that your healthcare
professional considers that you are both fit and
capable.

Liquid Medical Oxygen Medicinal gas, cryogenic

3. HOW TO USE LIQUID MEDICAL OXYGEN
Instructions for use
Liquid Medical Oxygen is only given to you after
it has been converted into Medical Oxygen gas at
room temperature. In a hospital or clinic Medical
Oxygen will be given to you by a healthcare
professional. They will ensure that your Medical
Oxygen supply is suitable for your use and that the
equipment has been set up correctly so that you
receive the right amount of oxygen.
To breathe your oxygen you will either be given a
face mask or a nasal cannula. The prongs on the
cannula are inserted into your nostrils and the
tubing is placed over your ears and adjusted under
your neck for comfort. The face mask or nasal
cannula is connected to your oxygen system with
the tubing provided.
If you are using a Liquid Medical Oxygen cylinder
at home you will be given full training on the use
of your cylinder and equipment when you receive
your first supply.
When using your Liquid Medical Oxygen cylinder at
home, you must:
• ensure the cylinder is stood upright on a flat
surface and supported so that it will not fall
over. Liquid Medical Oxygen cylinders should
only be used in the vertical position with the
valve uppermost, to prevent the liquid from
being spilt.
• check the contents gauge on the vessel before
you start to make sure there is enough gas
available for your use.
• check that the tubing is correctly fitted to the
outlet.
• select the flow prescribed by your healthcare
professional.
• ensure that all equipment is kept free from oil
and grease.

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• open the cylinder valve slowly.
• if a leak occurs, this will be evident by a hissing
noise.
Always use your Liquid Medical Oxygen equipment
exactly as your healthcare professional has shown
you and at the correct flow rate. You should check
with your healthcare professional if you are not
sure.

DO NOT SMOKE or have a naked flame near your
Liquid Medical Oxygen cylinder. The oxygen will
make a flame burn much more violently.
NEVER use oil based moisturising creams with
your cylinder equipment.
If you use more Liquid Medical Oxygen than you
should
In most cases it is unlikely that an overdose could
occur if you follow your healthcare professional’s
advice.
If you are concerned that you have used too much
Medical Oxygen and feel unwell or if you have any
questions on the correct use of Medical Oxygen,
please ask your healthcare professional.

Liquid Medical Oxygen Medicinal gas, cryogenic

4. POSSIBLE SIDE EFFECTS

5. HOW TO STORE LIQUID MEDICAL OXYGEN

Like all medicines, Medical Oxygen may cause side
effects although not everybody will get them.

Expiry date
Do not use Liquid Medical Oxygen after the expiry
date which is stated on the cylinder batch label.

The side effects that may occur whilst using Liquid
Medical Oxygen are:
• soreness of the chest associated with coughing
and breathing difficulties after breathing pure
oxygen for a prolonged period (6-12 hours).
This is made worse by smoking and exposure to
cold air.
• dizziness, fits and loss of consciousness after
2-3 hours of exposure, which can occur if you
are treated with high pressure (hyperbaric)
oxygen in pressurised chambers.
• eye damage (retrolental fibroplasia) which can
result in blindness, which may occur with new
born babies if they are exposeded to oxygen
concentrations of more than 40%
Reporting of side effects
If you experience any of these side effects, or if
you notice any side effects not listed in this leaflet,
contact your healthcare professional immediately.
You can also report side effects directly to the
Medicines and Healthcare Products Regulatory
Agency (MHRA) via the Yellow Card Scheme www.
mhra.gov.uk/yellowcard and to BOC Healthcare. By
reporting side effects you can help provide more
information on the safety of this medicine.

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04

Cylinder storage
Store your Liquid Medical Oxygen cylinders:
• upright on a level surface so that they can not
fall over.
• in clean, well ventilated and dry conditions, not
exposed to extremes of heat or cold.
• away from oil, grease and flammable material.
• in a designated area, where they can be kept
separate from other medical and non-medical
cylinders, with empty and full cylinders kept
apart.
• Out of sight and reach of children
Handling cylinders
Always handle your Liquid Medical Oxygen
cylinderswith care, only moving them using an
appropriate trolley or handling device.

Liquid Medical Oxygen Medicinal gas, cryogenic

05

6. FURTHER INFORMATION
What Liquid Medical Oxygen Contains
Your Liquid Medical Oxygen cylinder contains a
minimum of 99.5% Oxygen.
There are no other ingredients.
Liquid Medical Oxygen cylinders
Liquid Medical Oxygen is supplied in the following
size cylinders:
Cylinder
Size

Cylinder
Contents
(Litres)

Cylinder
Size

Cylinder
Contents
(Litres)

DLC 1
DLC 30

1032
28,800

DLC 37
DLC 200

31,820
148,000

Marketing Authorisation Holder and Manufacturer
BOC Ltd
The Priestley Centre
10 Priestley Road
The Surrey Research Park
Guildford
Surrey
GU2 7XY
Tel 0800 111333

BOC: Living Healthcare

HLC/505550_LIQMED/UKS/0316

This leaflet was last approved in
02/2016

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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.

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