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What are some telling signs of dengue?
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What are the stages of dengue?
Symptoms Mild symptoms of dengue can be confused with other illnesses that cause fever, aches and pains, or a rash. The most common symptom of dengue is fever with any of the following:
- Risk Factors
Dengue (DENG-gey) fever is a mosquito-borne disease that occurs in tropical and subtropical areas of the world. Mild dengue fever causes a high fever, rash, and muscle and joint pain. A severe form of dengue fever, also called dengue hemorrhagic fever, can cause severe bleeding, a sudden drop in blood pressure (shock) and death.Millions of cases of dengue infection occur worldwide each year. Dengue fever is most common in Southeast Asia and the western Pacific islands, but the disease has bee...
Many people, especially children and teens, may experience no signs or symptoms during a mild case of dengue fever. When symptoms do occur, they usually begin four to seven days after you are bitten by an infected mosquito.Dengue fever causes a high fever — 104 F degrees — and at least two of the following symptoms: 1. Headache 2. Muscle, bone and joint pain 3. Nausea 4. Vomiting 5. Pain behind the eyes 6. Swollen glands 7. RashMost people recover within a week or so. In some cases, symptoms...
Dengue fever is caused by any one of four types of dengue viruses spread by mosquitoes that thrive in and near human lodgings. When a mosquito bites a person infected with a dengue virus, the virus enters the mosquito. When the infected mosquito then bites another person, the virus enters that person's bloodstream.After you've recovered from dengue fever, you have immunity to the type of virus that infected you — but not to the other three dengue fever virus types. The risk of developing seve...
Factors that put you at greater risk of developing dengue fever or a more severe form of the disease include: 1. Living or traveling in tropical areas. Being in tropical and subtropical areas increases your risk of exposure to the virus that causes dengue fever. Especially high-risk areas are Southeast Asia, the western Pacific islands, Latin America and the Caribbean. 2. Prior infection with a dengue fever virus. Previous infection with a dengue fever virus increases your risk of having seve...
If severe, dengue fever can damage the lungs, liver or heart. Blood pressure can drop to dangerous levels, causing shock and, in some cases, death.
One dengue fever vaccine, Dengvaxia, is currently approved for use in those ages 9 to 45 who live in areas with a high incidence of dengue fever. The vaccine is given in three doses over the course of 12 months. Dengvaxia prevents dengue infections slightly more than half the time.The vaccine is approved only for older children because younger vaccinated children appear to be at increased risk of severe dengue fever and hospitalization two years after receiving the vaccine.The World Health Or...
Primary symptoms of dengue appear three to 15 days after the mosquito bite and include high fever and severe headache, with severe pain behind the eyes that is apparent when trying to move the eyes. Other associated symptoms are joint pain, muscle and bone pain, rash, and mild bleeding. Many affected people complain of low back pain.
An estimated 1 in 4 dengue virus infections are symptomatic.Symptomatic dengue virus infection most commonly presents as a mild to moderate, nonspecific, acute febrile illness.Approximately 1 in 20 patients with dengue virus disease progress to develop severe, life-threatening disease called severe dengue.Early clinical findings are nonspecific but require a high index of suspicion because recognizing early signs of shock and promptly initiating intensive supportive therapy can reduce risk of death...Fever typically lasts 2–7 days and can be biphasic.Other signs and symptoms may include severe headache; retro-orbital eye pain; muscle, joint, and bone pain; macular or maculopapular rash; and minor hemorrhagic manifestations including petechia, e...Some patients have injected oropharynx and facial erythema in the first 24–48 hours after onset.
- Key Facts
- Febrile Phase
- Warning Signs
- Critical Phase
- Convalescent Phase
- Dengue During Pregnancy
Warning signs of progression to severe dengue occur in the late febrile phase around the time of defervescence, and include persistent vomiting, severe abdominal pain, fluid accumulation, mucosal bleeding, difficulty breathing, lethargy/restlessness, postural hypotension, liver enlargement, and progressive increase in hematocrit (i.e., hemoconcentration).The critical phase of dengue begins at defervescence and typically lasts 24–48 hours.Most patients clinically improve during this phase, but those with substantial plasma leakage can, within a few hours, develop severe dengue as a result of a marked increase in vascular permeability.Initially, physiologic compensatory mechanisms maintain adequate circulation, which narrows pulse pressure as diastolic blood pressure increases.Patients with severe plasma leakage may have pleural effusions, ascites, hypoproteinemia, or hemoconcentration.As plasma leakage subsides, the patient enters the convalescent phase and begins to reabsorb extravasated intravenous fluids and pleural and abdominal effusions.As a patient’s well-being improves, hemodynamic status stabilizes (although he or she may manifest bradycardia), and diuresis ensues. The patient’s hematocrit stabilizes or may fall because of the...The convalescent-phase rash may desquamate and be pruritic.Data are limited on health outcomes of dengue in pregnancy and effects of maternal infection on the developing fetus.Perinatal transmission can occur, and peripartum maternal infection may increase the likelihood of symptomatic infection in the newborn.Of 41 perinatal transmission cases described in the literature, all developed thrombocytopenia, most had evidence of plasma leakage evidenced by ascites or pleural effusions, and fever was absent i...Perinatally infected neonates typically become ill during the first week of life.
Vomiting is one of the early signs of dengue fever. The person who is having the symptom may believe that he or she has the flu since the vomiting may not be serious at the time. The person may just get cold medicine and lie down, but the cold medicine won’t work.
Fever and painful muscle, bone, and joint aches can occur during the first few hours of symptoms when headache, chills (shivering and/or sweating), rash (may be itchy) and/or red spots or flushing, and swollen lymph nodes first appear. Pain behind or in back of the eyes is also a common symptom.
Mar 31, 2017 · Symptoms generally last for about 10 days and can include: sudden, high fever (up to 106 degrees Fahrenheit)
Methods: Data from the multi-year, ongoing Pediatric Dengue Cohort Study of approximately 3,800 children aged 2-14 years in Managua, Nicaragua, were used to examine the frequency of clinical signs and symptoms by day of illness and to generate models for the association of signs and symptoms during the early phase of illness and over the entire ...
- Hope H. Biswas, Oscar Ortega, Aubree Gordon, Katherine Standish, Angel Balmaseda, Guillermina Kuan, ...
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