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How To Use An Inhaler

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Your doctor has prescribed an inhaler for you to help with difficulties that you may have breathing. The inhaler allows your medicine to go straight to the lungs were it is needed to help you, but to get the best out of your inhaler it is important that you use it correctly. It is important to use your inhaler as directed by your doctor, if you're not sure how often, or when you should use your inhaler, or how many puffs you should take you should speak to your doctor or pharmacist. Your doctor, nurse or pharmacist can also show you how to use your inhaler.

The most commonly prescribed inhaler is a 'metered-dose inhaler' (MDI) which consists of a pressurised metal canister containing a suspension of medicine. When the canister is pushed down a measured dose of the medicine is delivered as a fine mist, which is inhaled into the lungs via the mouthpiece. To get the full dose of the medicine into the lungs, you will need to co-ordinate breathing in with pushing down the canister; this may take some practice but is really important to ensure you get the full dose of medicine. A poor technique may also mean your medicine ends up in your mouth or throat where it can cause side effects such as throat irritation.

  • Before you can use your inhaler you will need to remove the mouthpiece cover; this can be done by gently squeezing the sides of the cover and then pulling it away.
  • You should then shake the inhaler well to ensure all of the particles in the canister are well mixed. If this is the first time you have used your inhaler or you haven't used it for a week or more, you should check it is working by spraying it into the air first.
  • When inhaling the medicine, you will need to breathe deeply and steadily, therefore it is best to stand or sit-upright when using your inhaler. Once comfortable and ready to use your inhaler you should breathe out, and then put the mouthpiece into your mouth, holding the inhaler upright.
  • Close your lips around the mouthpiece then breathe in slowly. As you start to breathe in, push down the top of the canister to release a dose of your medicine, keep breathing in slowly and steadily.
  • Take the inhaler from your mouth and close your mouth; continue to hold your breath for a few seconds or as long as comfortable and then breathe out
  • If you need to take another puff of your medicine, you should wait for about half a minute and then repeat the steps outlined above. Make sure you replace the cap after using your inhaler to stop dust and other particles getting into your inhaler.
  • If you use a brown (preventer) inhaler then it is always a good idea to wash you mouth out with water after each use. This prevents mouth infections.

If you have any problems using your inhaler or do not understand these instructions, speak to your doctor or pharmacist. Some people find it difficult to breathe in deeply at the same time as pressing down the canister. If you find this difficult you should speak to your doctor. It may be possible to get a 'spacer device' to help you. Alternatively, your doctor may wish to prescribe a different type of inhaler, which you may find easier to use. If you have problems holding the inhaler or difficulties using your hands you should speak to your doctor, nurse or pharmacist as there are often devices available to help with this.