Asthma and influenza
Influenza, commonly known as the ’flu, is a viral infection affecting the respiratory tract predominantly, but also causing more general symptoms such as fever, and muscle aches and pains. Although influenza is not normally dangerous for healthy people, it can be more serious in the very young and old, and in people with other health problems, such as asthma.
Viral respiratory tract infections such as influenza are among the most common triggers of asthma attacks, so it is crucial for people with asthma to avoid such triggers as much as possible. These types of infections can aggravate your airways, nose, sinuses, throat and lungs, triggering a flare-up of your asthma. In addition, people with asthma are particularly vulnerable to influenza, and if you have asthma or other chest problems you also face a higher risk of the infection spreading to your lungs, which could cause bronchitis or pneumonia.
The influenza vaccination
The influenza vaccine does not give 100 per cent protection but greatly improves your chances of not catching the ’flu. New vaccinations are created each year according to which strains of the influenza virus are around. Annual vaccinations are recommended for anyone who is at high risk if they contract the ’flu, including adults with asthma, and teenagers and children aged 6 months and older with severe asthma.
Influenza vaccination is also recommended if you have asthma and are planning a pregnancy, or are already pregnant and will be in the second or third trimester of your pregnancy during winter. It is best to have your vaccination prior to becoming pregnant.
Simple precautions you can take
Do your best to avoid close contact with other people with the ’flu, as the virus is spread by inhaling the fine spray that leaves the mouth and nose when an infected person coughs or sneezes. The virus can also be spread by touching objects (e.g. a telephone or door handle) that have been contaminated with the virus and then touching your nose, eyes or mouth. Washing your hands, preferably with an antiseptic preparation, is a very effective way of preventing the spread of influenza.
Staying fit and healthy and following a nutritious eating plan with lots of fruit and vegetables containing vitamin C helps everyone to protect themselves against infections.
Remember to use your preventer medication as instructed and to follow your asthma management plan to keep your condition under control, as this also helps keep your health at its best. However, as it is almost impossible to avoid contracting the ’flu at some stage, you should ask your doctor to prepare a plan that tells you what to do when the situation arises. Then as soon as the first sign of infection appears, often a blocked or runny nose, adjust the dose of your asthma medication as discussed with your doctor, following the instructions laid out in your plan. You can use your peak flow meter or record your symptoms to check your progress. If your asthma gets worse, visit your doctor again.
Last Reviewed: 30 August 2009
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