Symptoms of dengue?

how do you detect dengue?

Symptoms : vary. Depends on the stage, sex, age, antigen-antibody reaction.
This infectious disease is manifested by a sudden onset of fever, with severe headache, muscle and joint pains (myalgias and arthralgias - severe pain gives it the name break-bone fever or bonecrusher disease) and rashes; the dengue rash is characteristically bright red petechia and usually appears first on the lower limbs and the chest - in some patients, it spreads to cover most of the body. There may also be gastritis with some combination of associated abdominal pain, nausea, vomiting or diarrhea.



To detect dengue : blood test. Hb, Ht, thrombocite.

There exists a WHO definition of dengue haemorrhagic fever ; all four criteria must be fulfilled:
- Fever
- Haemorrhagic tendency (positive tourniquet test, spontaneous bruising, bleeding from mucosa, gingiva, injection sites, etc.; vomiting blood, or bloody diarrhea)
- Thrombocytopaenia (<100,000 platelets per mm鲁 or estimated as less than 3 platelets per high power field)
- Evidence of plasma leakage (hematocrit more than 20% higher than expected, or drop in haematocrit of 20% or more from baseline following IV fluid, pleural effusion, ascites, hypoproteinaemia)

you can get it from a mosquito bite.fever,headache,cough are the symptoms. here read this. http://www.cdc.gov/ncidod/dvbid/dengue/

Rather than the text outline a layman's series of events is very useful.

Adult Dengue:

You live in an area of endemic dengue, and you have heard of an outbreak. You have seen large mosquitoes with black and white strips across their body.

You are going somewhere and have dressed, but in preparing you notice you suddenly feel drained, very tired, weak.

As you are going out the door, you feel you are so tired you will just lay down a moment, you notice you have a fever, and don't even take off your shoes. An odd feeling of euphoria almost drug like sweeps over you as you lay down for a moment.

You come to consciousness and move your eyeballs with a stabbing pain behind both to the center of your head when you open them, every joint in your body feels like being stabbed with the slightest movement.

You are disoriented, dazed, the sun is low but when you lay down for a moment the sun had just set. You have to urinate, but are so weak and it is so much pain to move you work hard to make it to the bathroom a few feet away.

The mirror shocks you: your face is covered with petechia small hemorrhages, your chest also. You urinate blood and your headache is intense. You know you are very ill, amazingly ill, and wonder if you are dying now.

But you are too weak to walk more than get back to the bed, your fever high. Again instantly you are unconscious.

You come to again and it is day, you have no idea how many days have passed, you need water, your tongue is sandpaper, but you can only crawl on your hands and knees to the bathroom and can hardly reach water.

You feel much better, try to cry out for help but cannot walk or cry out loudly. You hydrate and crawl back to bed never weaker in your life. The fever is gone but you cannot stand. You go out again.

Now you come to again, have no idea how many days have passed, manage to crawl to the door and lay there until someone finally comes by, sees you and comes to your aid. The fever has returned again after you thought it was over, just as high as the beginning.

You feel better, except for all strength gone, and you know you are past the worst, you will live.

In clinical practice the H&P with the thrombocyte count is the diagnosis.