There are four stages of asthma severity: mild intermittent, mild persistent, moderate persistent, and severe persistent asthma.
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This classification is based on frequency of its symptoms and on a degree of deterioration of lung function which is detected by examination.
It is not difficult to diagnose asthma: The doctor discovers it by listening the lungs with a stethoscope. This is a disease characterized with occasional attacks of heavy breathing, followed by cough, whistling and pressure in chest. The breath out is especially difficult. The attacks are more frequent during the night and before dawn and they are of different intensities according to the stage of the illness. In the less typical forms of the attacks, dry and provocated cough may be the only symptom of asthma.
When patients have frequent cold that lowers in lung on a regular basis, and last more than ten days, those are also reasons for a suspicion asthma is present. The attacks of heavy breathing are induced by allergic reactions, bronchial infections, gases, toxins and other factors. The hereditary factors connected with allergens plays a great role at asthma; it may be an allergy on domestic dust, animal fur, emotions and some other factors. The asthma may appear at any point in life. The first attack usually appear in early childhood, while adults feel the first attack between 30 and 40 years of age.
In the case of allergic asthma patients should leave the environment that contains that particular allergen. The treatment of allergic asthma is long lasting, includes antibiotics that cure bronchial infection, and the patient's condition improves. It is not possible to predicts how the allergic asthma will last. The benefit for patients with that type of asthma are the change of climate conditions. When such patients suffer from acute attack they sweat a lot and hyperventilate, so they need more liquid - drinking is the best help for patient to expel by coughing. Between the attacks a patient feels well.
Bronchial asthma has characteristics of especially difficult breath out. The attacks can last from few minutes to several hours. At the end of the attacks the patient expels slime, while between the attacks she feels well. However, if the illness lasts longer and attacks are frequent, the symptoms of chronic bronchitis appear, and eventually the lungs become severely damaged (lung emphysema). Those patients don't feel well between the attacks. In the cases of severe conditions the attacks can last for several days.
Along with asthma, the patients suffer from other allergic conditions like urticaria and rhinits between attacks.
The asthma in children can last to puberty and then disappear and return never again. The attacks in little children are often followed by increased temperature. An interesting thing is that higher temperature stops the attack in the adults. The most common non-allergic reason for the asthma attack is cold. The cold in adults can trigger asthma even when a person is healthy for years.
Like we wrote before, during the heavier attacks the patient is sweat and feared, but she may also have blue lips and fingers. As an illustration, the patient with mild or moderate attacks speak in full sentences, while in the hard cases the speech is abrupt. The other signs of heavier attacks are fast heart beating and loss of strength - in some cases the patient is even unable to walk.
The chain of events during the attack is very different, sometimes it is very fast and it can cause a very serious condition in a matter or minutes.
The consultation with doctor is extremely important because the patient must be educated and prepared for the attack. The educated patient is able to recognise the very first signs of deterioration of his condition.
A written plan how to help itself may help the patient because the feeling of suffocation that follows that asthma attack may cause panic reaction. It is also very useful to those who might help patient to overcome the attack.
Sport activities are recommended, especially to children because they develop muscles for breathing, but the asthma patients are not advised to practise diving and parachuting. ■
It is not difficult to diagnose asthma: The doctor discovers it by listening the lungs with a stethoscope. This is a disease characterized with occasional attacks of heavy breathing, followed by cough, whistling and pressure in chest. The breath out is especially difficult. The attacks are more frequent during the night and before dawn and they are of different intensities according to the stage of the illness. In the less typical forms of the attacks, dry and provocated cough may be the only symptom of asthma. 
When patients have frequent cold that lowers in lung on a regular basis, and last more than ten days, those are also reasons for a suspicion asthma is present. The attacks of heavy breathing are induced by allergic reactions, bronchial infections, gases, toxins and other factors. The hereditary factors connected with allergens plays a great role at asthma; it may be an allergy on domestic dust, animal fur, emotions and some other factors. The asthma may appear at any point in life. The first attack usually appear in early childhood, while adults feel the first attack between 30 and 40 years of age. 
Bronchial asthma has characteristics of especially difficult breath out. The attacks can last from few minutes to several hours. At the end of the attacks the patient expels slime, while between the attacks she feels well. However, if the illness lasts longer and attacks are frequent, the symptoms of chronic bronchitis appear, and eventually the lungs become severely damaged (lung emphysema). Those patients don't feel well between the attacks. In the cases of severe conditions the attacks can last for several days. 
Like we wrote before, during the heavier attacks the patient is sweat and feared, but she may also have blue lips and fingers. As an illustration, the patient with mild or moderate attacks speak in full sentences, while in the hard cases the speech is abrupt. The other signs of heavier attacks are fast heart beating and loss of strength - in some cases the patient is even unable to walk.