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Common symptoms typical of any influenza virus are:
- aches in the calf muscles;
- soreness when moving eyeballs;
- nasal congestion;
- dry cough;
- sore throat;
- vascular injection of the sclera and pharynx;
- hemorrhages on the skin;
As with any infectious disease, for influenza there is an incubation period, the duration of which is usually 2-3 days. In the case of avian influenza, it can lengthen to two weeks, averaging 7 days. Prodromal period is absent.
This is followed by a period of height of the disease, characterized by extensive clinical symptoms.
The typical course of influenza develops acutely with fever and intoxication.
This disease is different from other acute respiratory viral infections, where catarrhal phenomena come to the fore. The peak period is characterized by pronounced symptoms of intoxication, elevated temperature, which during influenza stays at the level of 38-39 degrees. In severe cases, hyperthermia can be up to 40-40.5 degrees.
From the second to the third day, cough is added to the runny nose, a sore throat. It is usually dry, but with severe flu, there may be a rusty, bloody sputum.
With the flu, the temperature lasts 5-7 days. Further symptoms become less pronounced.
The patient notes improvement. Temperature readings fall to normal numbers.
Influenza occupies a special position among respiratory diseases due to the frequent development of complications. They are both early viral and late, due to the addition of a secondary infection, usually bacterial. In this case, the treatment of patients is delayed. If the average duration of the flu is about 7 days, then if there are complications, the time may be significantly longer.
An increase in body temperature during influenza is a protective mechanism in the fight against the virus. Its high rates indicate a sufficient immunity of the patient. The presence of the fact that during influenza the temperature stays at around 39 for 5 days should not cause much concern if this does not result in the appearance of any new additional symptoms or deterioration of the patient’s condition. The body is fighting infection, and the task of doctors is to create the necessary conditions for this.
In cases where the temperature of the flu stays more than 6 days, it is imperative that you re-consult your doctor, since the development of complications should be excluded. This may be indicated by the appearance of additional symptoms, such as:
- deterioration of the general condition;
- change in the nature of cough;
- sore throat;
- disturbance of consciousness;
- lethargy, lethargy.
The presence of these symptoms may indicate the development of this pathology in a patient:
All of these conditions, in addition to specific symptoms, are accompanied by fever. Thus, if the temperature of the flu persists for 5-7 days, then if there are complications, this symptom is noted for a longer time, which is caused by a new pathological process.
Treatment of influenza at a temperature of 39, in addition to detoxification measures, including abundant drinking, creating the right temperature, should include the use of antipyretics. In the event that a patient does not tolerate an elevated temperature, the presence of it aggravates the patient’s condition, then antipyretic drugs can be prescribed at lower temperatures.
The drugs of choice for flu are paracetamol and ibuprofen.
The choice of these drugs is due to their safety and efficacy. Due to possible side effects, it is not recommended to use aspirin for this disease.
To reduce the temperature, it is very important to keep the temperature in the room at 18-20 degrees, trying not to increase these figures. In this case, the recommended humidity should not be below 50%. It is this cool air that contributes to maximum heat transfer, and, therefore, lowering the temperature.
The course of the disease in the elderly
Temperature indicators for influenza may not be as high. Especially often this is observed in elderly patients, which is due to lower immunity. However, the disease is severe, which caused this age group to be at risk, both in the susceptibility of the flu and in the severity of the course.
Treatment of elderly patients and the fight against hyperthermia has its own characteristics:
- In older people, antivirals may be used more actively;
- Since in old age there is more often a concomitant serious pathology aggravating during the period of infection, antibiotics are more widely used;
- Antipyretic drugs are prescribed at lower temperatures, since even a rise in temperature to 37.5-38 degrees has a very negative effect on overall well-being.
The stage of recovery from influenza also has its own characteristics due to temperature factors. In many cases, even with a light current, temperature indicators do not immediately return to the previous level. After the flu, temperatures of 37-37.3 degrees can persist for several days or weeks. This is due to the fact that the body can not quickly normalize the immune system, which is manifested in the continuing hyperthermia. Special treatment in this case is not required. The challenge is not to miss the complications of the flu, or the exacerbation of a concomitant chronic disease provoked by a viral infection.