Mild dengue fever
Symptoms can appear up to seven days after the mosquito carrying the virus bites, and usually disappear after a week. This form of the disease hardly ever results in serious or fatal complications.
The symptoms of mild dengue fever are:
Aching muscles and joints
Body rash that can disappear and then reappear
High fever
Intense headache
Pain behind the eyes
Vomiting and feeling nauseous.
Dengue hemorrhagic fever (DHF)
Symptoms during onset may be mild, but gradually worsen after a number of days. DHF can result in death if not treated in time. Mild dengue fever symptoms may occur in DHF, as well as the ones listed below:
Bleeding from your mouth/gums
Nosebleeds
Clammy skin
Considerably damaged lymph and blood vessels
Internal bleeding, which can result in black vomit and feces (stools)
Lower number of platelets in blood - these are the cells that help clot your blood
Sensitive stomach
Small blood spots under your skin
Weak pulse.
Dengue shock syndrome
This is the worst form of dengue which can also result in death, again mild dengue fever symptoms may appear, but others likely to appear are:
Intense stomach pain
Disorientation
Sudden hypotension (fast drop in blood pressure)
Heavy bleeding
Regular vomiting
Blood vessels leaking fluid
Death