1. What Air is and what it is used for

Air contains the active substance oxygen. Air is the mixture of gases that surrounds the Earth.

Air is used for breathing. It is also used for speaking.

2. What you need to know before you use Air

Do not use Air:

• if you are allergic to oxygen or any of the other ingredients of this medicine (listed in section 6).
• under water.
• above about 8,000 metres.
• if it smells of gas, smoke or solvents.

Warnings and precautions

Talk to your doctor or pharmacist before using Air above about 2,500 metres. At 3,000 metres each dose contains about 30% less oxygen than at sea level. You will use Air more often.

Air may contain dust, spores, sea salt, soot and small numbers of bacteria.

Children and adolescents

Air is suitable for children of all ages, including new-born babies. Children use Air more often than adults.

Other medicines and Air

Air can be used with all other medicines. Some medicines, such as inhalers, are taken in Air. Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.

Air with food and drink

Do not use Air at the same moment as food or drink. Alternate.

Pregnancy and breast-feeding

If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before using this medicine.

Air should be used throughout pregnancy and breast-feeding. During pregnancy each dose becomes larger, by about a third, and you may feel short of breath. This is normal.

Driving and using machines

Continue to use Air while driving and using machines.

Air contains pollen

Between about March and September, Air in the UK contains pollen from trees, then grasses, then weeds. If you are allergic to pollen you may sneeze.

Air contains carbon dioxide

Each dose contains about 0.2 ml of carbon dioxide, which is about 0.043% v/v. In 1750 it was about 0.028% v/v.

Always use this medicine exactly as described in this leaflet or as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.

The recommended dose is 12 to 20 breaths per minute at rest, each of about 500 ml. During hard exercise this rises to about 35 to 50 breaths per minute, each of 2 to 3 litres. No adjustment is needed for weight, or for kidney or liver function.

Air is taken through the nose, or the mouth, or both. The nose is preferred: it warms, moistens and filters each dose.

If you use more Air than you should

You may feel light-headed, with tingling in the lips and fingers and a feeling that you cannot get enough Air. Breathe more slowly.

If you forget to use Air

You will be reminded.

Do not take a double dose to make up for a forgotten dose.

If you stop using Air

Do not stop using Air.

If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

4. Possible side effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.

Very common (may affect more than 1 in 10 people): yawning, sneezing, hiccups, snoring, a runny nose in cold weather, hay fever (seasonal, see section 2).

Very rare (may affect up to 1 in 10,000 people): decompression sickness, if Air is used under pressure and the pressure is then released too quickly.

Reporting of side effects

If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.

5. How to store Air

There is no need to keep this medicine out of the sight and reach of children.

This medicine has no expiry date.

This medicine does not require any special storage conditions.

Used Air should be exhaled. These measures will help protect the environment.

6. Contents of the pack and other information

What Air contains

• The active substance is oxygen, 20.95% v/v.
• The other ingredients are nitrogen (78.08% v/v), argon (0.93% v/v), carbon dioxide (0.043% v/v), neon, helium, methane, krypton, hydrogen, xenon, a variable amount of water vapour (0 to 4% v/v) and, in season, pollen. See section 2, “Air contains pollen” and “Air contains carbon dioxide”.

What Air looks like and contents of the pack

Air is a colourless, odourless inhalation gas. It is supplied loose, at a pressure of about 1 bar at sea level, in a single pack of approximately 5,150,000,000,000,000,000 kg.

Pack size: 1. Not all pack sizes may be marketed.

Marketing Authorisation Holder and Manufacturer

Marketing Authorisation Holder: none.

Manufacturer: plants, algae and cyanobacteria.

This medicine is authorised in the Member States of the European Economic Area and in the United Kingdom (Northern Ireland) under the following names:

This leaflet was last revised in August 2026.