Medical Questions » Lungs Questions » Question No. 594
| Question: | My mother recently nearly died from pneumonia. I know it is a lung infection, but how do you tell if someone is getting pneumonia, what part of the lung is affected and how is it treated? |
| Answer: | Pneumonia is an infection of the tiny air bubbles that form the major part of the lung, and enable the oxygen to cross into the bloodstream. The infection is caused by bacteria, miniature microscopic animals that are inhaled with every breath. Normally these bacteria are destroyed by the body' s defence mechanisms, but if the person is tired, run down, overworked, bedridden or suffering from other illnesses the bacteria may be able to get a hold, and start multiplying.
The symptoms of pneumonia may be obvious with fever, cough and chest pains, but some bacteria are far more insidious, and cause minimal symptoms for some months. The patient may just feel tired, short of breath and have intermittent sweats.
A chest X-ray is always necessary when a doctor suspects pneumonia, as the damaged section of lung can be seen, and the extent of the infection assessed. A sample of sputum is taken before treatment is started, and this is sent to a laboratory where the infecting bacteria can be identified, and the correct antibiotics to destroy it can be determined.
Treatment may be started before the laboratory results are received, but sometimes the antibiotic has to be changed to a more appropriate one at a later date. Medications to open up the airways and loosen the phlegm may also be prescribed. Regular physiotherapy is very important to drain the foul collection of pus out of the chest.
The other important factors in treatment are rest and the cessation of smoking. If you try to keep working, the body cannot gain enough energy to help the antibiotics fight off the infection. Anyone who continues to smoke while they have pneumonia is effectively frustrating every effort of the doctors and therapists to cure him or her.
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