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Viral Rashes (i) - Coggle Diagram

- - - - effective but can be painful/need repeated tx
      - reserved for older children
- - - - most common form of primary HSV in children
      - usually from 10mo-3yrs
      - vesicles with ulceration on lips, gums, tongue, hard palate
      - a/w high fever, child miserable
      - may persist for 2wks
      - eating + drinking difficult - risk of dehydration
      - tx = symptomatic, if severe IV fluids + acyclovir
    - - serious
      - widespread vesicles on eczematous skin
      - may be complicated by secondary bacterial infection + sepsis
    - - painful erythematous, oedematous white pustules on broken skin on fingers
      - Due to autoinoculation from mouth or adults kissing children's fingers
- - - - secondary bacterial infections (staph, strep, can lead to TSS or nec fasc, watch for fever initially settling then recurring a few days later)
      - encephalitis (usually cerebellitis, ataxia + cerebellar signs, better prognosis than HSV encephalitis, usually resolves in a month)
      - purpura fulminans
        
        vasculitis of skin + subcut tissues
        
        can lead to large areas of skin necrosis + loss
        
        due to crossreacting abs that inactivate protein S
    - - give IV acyclovir + VZIG
    - - papules -> vesicles -> pustules -> crusts
      - 200-500 lesions start on trunk, progress to peripheries
      - itchy - scratching may result in permanent depigmented scars + secondary infection
      - if new lesions appear beyond 10d, suggests defective cellular immunity