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Skin diseases in the tropics, image, image, image, image, image, image,…

- - - - Critical phase
        
        Critical phase: Around the time of defervescence (typically days 3 to 7 of infection), a small proportion of patients (typically children and young adults) develop a systemic vascular leak syndrome characterized by plasma leakage, bleeding, shock, and organ impairment [36]. The critical phase lasts for 24 to 48 hours.
      - Convalescent phase: plasma leakage and hemorrhage resolve, vital signs stabilize, and accumulated fluids are resorbed. An additional rash (a confluent, erythematous eruption with small islands of unaffected skin that is often pruritic) may appear during the convalescent phase (within one to two days of defervescence and lasting one to five days)
      - Febrile phase: sudden high-grade fever (≥38.5°C) accompanied by headache (sometimes with eye pain), vomiting, myalgia, arthralgia, and a transient macular rash in some cases.