Dengue fever etc.
Representing an infectious viral disease, occurring with a fever, severe intoxication, myalgia and arthralgia, leukopenia, lymphadenopathy and exanthema. In some cases of dengue fever may also occur with hemorrhagic syndrome. This disease has many synonyms: articular fever kostolomnaya fever, giraffes, date illness, etc.
Causes of dengue
Dengue fever belongs to the group of transmissible zoonotic diseases, ie, diseases transmitted by the bite of blood-sucking insects. Its causative agent is a RNA virus. The source of infection are the monkey, sick people and bats, and the vectors are mosquitoes of the genus Aedes.
Dengue Fever: Symptoms
The incubation period for this disease varies from 3 to 15 days, but usually lasts 5 - 7 days.
The disease begins to develop suddenly. Against the background of the overall health of patients have fever and sharp pains in the bones and joints. The body temperature quickly rises to 40
C. There anorexia, severe weakness, insomnia, dizziness, nausea. Many patients appear hyperemia throat, vascular injection sclera and pasty complexion.
As clinical signs distinguish the two forms of dengue fever: Classical (feverish) and hemorrhagic (with the occurrence of bleeding).
In the classical form of the disease fever lasts for three days, followed by a critical (very sharp) decreases. After two - three days the temperature and all the symptoms of the disease returning and stay three more days. A characteristic symptom of dengue fever is a rash (minor skin rash), usually appears during the second wave of fever. The disease usually occurs favorably and ends in complete recovery to the ninth day of his first appearance of symptoms.
Dengue haemorrhagic fever is much greater. It begins as a sudden increase in body temperature, marked the emergence of abdominal pain, nausea, vomiting, cough. The patient's condition begins to deteriorate rapidly, growing weakness. Then these symptoms dengue hemorrhagic syndrome joins manifesting the advent of nasal, uterine, gastrointestinal bleeding. Haemorrhagic form of dengue fever occurs most often in children and in 30% of cases are fatal. Those patients who are going through the phase of the height of the illness recover quickly.
Dengue fever: Treatment
Currently there are no drugs for specific treatment for dengue fever. Therefore, patients with symptomatic therapy, is the appointment of antipyretics, analgesics and vitamin preparations, intravenous fluids.
treatment of dengue with hemorrhagic syndrome occurring, use antibiotics and corticosteroids, however, their effectiveness has not been proven in clinical trials. If necessary transfusion of plasma-producing solutions to maintain the water balance of the patient.
Prevention of dengue
Today, unfortunately, it is impossible to be vaccinated against dengue because licensed vaccines that protect the individual from the disease, do not exist. Problems with the development of a vaccine lies in the fact that there are several types of dengue virus, and the drug should be protected from all of them. In addition, there are no suitable live model on which to conduct a full clinical trials developed vaccinations against dengue. Therefore, at present the only means of preventing the disease is mosquito control in endemic areas, and the protection of people from their bites.
Going on vacation to Asia, you can not be vaccinated against dengue. But in your power to protect yourself against mosquito bites that transmit the virus. To do this, go outside regularly use repellents. In the evenings, do not leave the window open in a hotel room, especially if they have no mosquito nets. Following these simple rules will help you protect yourself from such dangerous diseases like dengue fever.