You must have heard the word “dengue fever” before. Some parents may still be a little confused, what is dengue fever? Dengue Fever Dengue Fever (dengue) is an acute insect-borne disease caused by mosquito-borne transmission of dengue virus. Because the disease is transmitted by mosquitoes, so the epidemic has a certain seasonality, generally in May to November each year, the peak in July to September. In endemic areas, the disease is mainly in children. At the beginning of dengue fever, when the symptoms of fever, throat inflammation and mild cough appear, many people think it is just a common cold, until the disease becomes more and more serious, then people realize that it may be more than a cold. Therefore, it is important to note that if the symptoms of “common cold” do not improve after a few days, it is necessary to go to the hospital to check whether you have dengue fever or other diseases, so as not to delay the disease. Dengue fever clinical manifestations 1, fever: the onset of the disease is mostly sudden, the body temperature quickly reaches more than 39 ℃, generally lasts 2 to 7 days, the fever pattern is more irregular, some cases in the 3rd to 5th day body temperature down to normal, 1 day later and then rise. In children, the onset of the disease is slower and the fever level is lower. The onset of the disease is accompanied by headache, back pain and muscle and joint pain, orbital pain, post-ocular pain and other systemic symptoms. Gastrointestinal symptoms such as sensory allergy, nausea, vomiting, abdominal pain, poor appetite, diarrhea and constipation may be present. The face and conjunctiva of the eyes are congested, and the skin of the neck and upper chest is flushed. 2. Rash: It appears 2 to 5 days after the onset of the disease, initially on the palms, soles of the feet or trunk and abdomen, gradually extending to the neck and extremities, and in some patients on the face, as maculopapular rash, measles-like rash, scarlet fever-like rash, erythematous rash, slightly prickly, or on the last day of fever or after the fever subsides, with tiny bruises on the feet, back of the legs, ankles, back of the wrists, axillae, etc., which fade within 1 to 3 days, leaving briefly Brown spots, usually subsiding at the same time as the body temperature. 3. Bleeding: Bleeding occurs 5 to 8 days after the onset of the disease. About half of the cases may have bleeding at different sites and to different degrees, such as epistaxis, skin bruises, gastrointestinal bleeding, hemoptysis, hematuria, vaginal bleeding, etc. 4. Others: There may be mild enlargement of lymph nodes throughout the body with light tenderness. There may be hepatomegaly, but splenomegaly is rare. Individual cases have jaundice. Patients often feel weak after the disease and full recovery often takes several weeks. How dengue fever is transmitted Dengue fever is transmitted to humans through the bite of mosquitoes carrying the dengue virus. The main vectors are Aedes aegypti and Aedes albopictus (commonly known as Aedes albopictus). Who is susceptible to dengue fever? In endemic areas, everyone is susceptible to dengue fever, especially the elderly, children, people with underlying diseases and people with poor body resistance. How to treat dengue fever There is no specific treatment for dengue fever, but mainly a combination of treatment measures. Vaccine prevention is still in the research stage. Dengue fever can be cured by symptomatic treatment and has no other health effects after treatment, and the mortality rate is relatively low. 1.General treatment: bed rest and liquid or semi-liquid diet should be given in the acute stage to prevent the condition from aggravating. 2, symptomatic treatment, high fever to give physical cooling, in the high fever does not subside, take antipyretic drugs. 3.Patients with profuse sweating or diarrhea should be encouraged to take oral rehydration. Patients with frequent vomiting, unable to eat or with dehydration and insufficient blood volume should be given intravenous fluids in time; dengue hemorrhagic fever with serious symptoms such as shock and bleeding needs to be treated actively, and those in shock should have blood volume replenished in time. How to prevent dengue fever Protect your baby and prevent dengue fever, mosquito prevention and extermination is the key! 1, living or traveling in dengue fever endemic areas, should wear long-sleeved clothes and long pants, and in the exposed skin and clothing coated with mosquito repellent drugs; 2, clean up the water environment, such as aquatic plants, regular water changes that can play a certain effect, and for some really can not clean and replace the water, it is recommended to buy some pesticide store to kill larvae spray; 3, the house should be installed mosquito nets or mosquito nets; 4, take the baby When you go out, avoid the “spotted mosquito” frequent time in the shade, grass, gazebo and other outdoor shady places to stay; 5, home pots, tanks, jars and other containers of stagnant water should be removed in a timely manner to avoid stagnant water.