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Dengue & mosquito-borne fevers

Febris dengue · Horečka dengue a další horečky přenášené komáry

What it is

Dengue, chikungunya and Zika — spreading fast with travel, urban growth and a warmer climate.

Symptoms & signs

  • High fever
  • severe joint and eye pain
  • rash
  • low platelets
  • bleeding and shock in severe dengue

🚩 Get help if…

  • call 112 / 911 now Bleeding from gums or nose, vomiting blood or black stools
  • call 112 / 911 now Severe belly pain or vomiting that does not stop
  • call 112 / 911 now Cold clammy skin, drowsiness or restlessness as the fever falls
  • see a doctor soon High fever with headache and body pain after tropical travel

Where it strikes

Medical treatment

  • Fluids and paracetamol (never NSAIDs or aspirin)
  • monitoring for warning signs
  • hospital care for plasma leakage
  • TAK-003 vaccine (Qdenga) — EU-licensed 2022 from age 4, also in parts of Asia; not licensed in the US

Natural & lifestyle

  • Mosquito avoidance day and night
  • repellents
  • screens
  • remove breeding sites
  • Dengvaxia only after a past infection — in those never infected it raised severe dengue

Emerging & experimental

  • Wolbachia-infected mosquito releases
  • antivirals in trials

Alternative, off-label & anecdotal

Approaches used outside the guidelines, with what their supporters report and what testing has found so far.

  • Papaya-leaf extract — small trials raised platelet counts early / small studies
  • Goat milk and kiwi fruit — popular in South Asia; untested anecdotal / traditional

ICD codes