Causes
The causative agent - viruses and bacteria (staph, pneumococcus).
The disease is transmitted by airborne droplets from another infected person. A high risk to infect other people in the first 2 days of the disease. During this period you feel good and are unaware of the disease continued to attend work and public places, thus infecting being around people. Hence such a huge number of patients.
What increases the risk of infection
The disease is caused by the weakening of the immune system and deficiency of vitamins which support our body. This is typical in the spring, when there is a deficiency.
The most common cause of reproduction of bacteria and viruses in the body is hypothermia. In addition, the stress contribute to the development of the disease, as they reduce the immune system.
For whom the threat cold
The disease is dangerous for the following categories of people:
- children up to 3 years;
elderly people who have insufficient immunity due to age;
- the presence of chronic diseases complicates the disease, which in turn can lead to serious complications;
- people with lack of immunity is very vulnerable especially when it relates to cancer patients and HIV infected people.
Symptoms
The symptoms of a cold include:
- increase in body temperature (the natural protective mechanism of our body against any infection)
- the appearance of weakness
- loss of appetite
- runny nose and nasal congestion
headaches
Upon detection of these symptoms, many are beginning to self-medicate. This should not be done, as no proper treatment can be various complications. In the future, it can greatly affect your health. Therefore, it is better to consult a specialist.