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40 year old, Chinese Male (5 day fever & myalgia (Day 3: diffuse,…

- - - - Measles
        
        Erythematous macules, papules: 1. face 2. trunk 3. arms legs. Koplik spots: bluish-white dots on mucosal surface
        
        cough, coryza, conjunctivitis
      - Rubella
        
        Pink>red macules, papules: 1. face 2. neck 3. trunk, extremities. Petichiae on palate, uvula
        
        pharyngitis, conjunctivitis, cough, lymphadenopathy (bef rash)
      - Dengue
        
        malaise, chills, severe headache, myalgias, and retro-orbital and lumbosacral pain, nausea/vomiting, nose/gum bleed, lymphadenopathy
        
        facial flushing and blanchable erythematous mottling
        
        pruritic morbilliform rash first on the trunk and then extends to the limbs and face.
      - Chikungunya
        
        myalgias, severe headache, retro-orbital pain, and photophobia
        
        flushing of the face and trunk
        
        progresses to macules, erythematous papules on trunk and extremities.
        associated with painful small joint polyarticular arthralgias.
      - Zika
        
        Widespread nonspecific erythematous macules or slightly elevated papules (1. face 2. trunk and extremities)
        
        petechiae and bleeding gums. Peripheral edema, conjunctivitis, muscle and joint pain
      - HIV
        
        seroconversion disease
        
        headache, lymphadenopathy, nausea, diarrhea, pharyngitis, vomit, photophobia
        
        transient, blanching, morbilliform eruption: trunk. Oral ulcers, genital ulcer
      - HSV
        
        Roseola
        
        pink macules papules: 1. trunk 2.neck and proximal extremities. FADES in hr-2days
        
        Nagayama spots: red papules in soft palate, uvula
        
        febril seizures, irritability
      - EBV
        
        Infectious mononucleosis
        
        Maculopapular rash: 1. trunk or upper arms 2. face and forearm, Periorbital edema
        
        cervical adenopathy, pharyngitis, myalgias, ocular muscle pain, chest pain, and rhinitis
      - Enterovirus
        
        Hand foot mouth
        
        Localized papules, pustules, vesicles
      - Chickenpox
        
        Shingles
        
        Discrete erythematous rash that coalesce, dermatomal distribution
        
        ITCHY!, discrete papule-vesicle-crusting (whole body)
    - - Acute generalized Exanthematous Pustulosis
        
        small nonfollicular pustules on erythematous and edematous plaques
      - DRESS
        
        morbilliform pruritic rash: faint pink to dark red distributed symmetrically and spreading from the face downward
      - Stevens-Johnson syndrome
        
        toxic epidermal necrolysis
        
        Necrosis + detachment of Skin, Painful rash
    - - SLE
        
        Malar blush
    - - Acute Rheumatic Fever
        
        Erythema marginatum and subcutaneous nodules
      - Cellulitis
        
        Grp A Strep
        
        Scarlet fever
        
        Circumoral pallor, strawberry tongue, Pharyngitis, cervical adenopathy
        
        S.aureus
        
        TSS
        
        Erythema of the palms and soles that desquamates
        
        Erythematous, swollen, warm
      - Leptospirosis
        
        chills, myalgia, headache, low back pain, conjunctivitis, vomit/diarrhea
        
        erythematous macular rash
      - Thyphoid fever
        
        Constipation/diarrhea, abdominal pain
        
        small erythematous papules on the trunk (rose spots)