Fever and rash

Petechial

1. Infectious
   1. Endocarditis
   2. Meningococcemia
   3. Gonococcemia
   4. Gram negative bacteria
   5. Enteric bacteria
   6. RMSF
   7. Enterovirus
   8. Dengue Fever
   9. Hepatitis B
   10. Rubella
   11. EBV
   12. Rat bite fever
   13. Epidemic typhus
2. Noninfectious
   1. Allergy
   2. Thrombocytopenia
   3. Scurvy
   4. Lupus
   5. HSP
   6. Hypersensitivity vasculitis
   7. Rhumatic fever
   8. Amyloidosis

Maculopapular

1. Infectious
   1. Typhoid fever/typhus
   2. Secondary syphilis
   3. Lyme
   4. Meningococcemia
   5. Mycoplasma
   6. Psittacosis
   7. Rickettsia
   8. Leptospiroisis
   9. Ehrlichiosis
   10. Enterovirus
   11. Parvovirus (B19)
   12. 5th Dz
   13. HSV 6
   14. Rubeola
   15. Rubella
   16. Arbovirus
   17. EBV
   18. Adenovirus
   19. Primary HIV
   20. Streptobacillus moniliformis
2. Noninfectious
   1. Allergy
   2. Serum Sickness
   3. Erythema multiforme
   4. Erythema marginatum
   5. Lupus
   6. Dermatomyositis
   7. Sweet's syndrome
   8. Acroderm enteropathica

Vesico-Bullous

1. Infectious
   1. Staph
   2. GC
   3. Rickettsia
   4. HSV
   5. Varicella
   6. Vibrio vulnificans
   7. Folliculitis (Staph, Candida, Pseudomonas)
   8. Enterovirus
   9. 5th Dz
   10. Parvovirus B19
   11. HIV
2. Noninfectious
   1. Allergy
   2. Plant dermatitis
   3. Eczema vaccinatum
   4. Erythema multiforme bullosum

Erythematous

1. Infectious
   1. Staph/strep (toxic shock, scarlet fever)
   2. Ehrlichiosis
   3. Strep viridans
   4. C. haemolyticum
   5. Kawasaki's
   6. Enterovirus
2. Noninfectious
   1. Allergy
   2. Vasodilation
   3. Eczema
   4. Psoriasis
   5. Lymphoma
   6. Pityriasis rubra
   7. Sezary syndrome

Urticarial

1. Infectious
   1. Mycoplasma
   2. Lyme
   3. Enterovirus
   4. HIV
   5. Hep B
   6. Adenovirus
   7. EBV
   8. Strongyloides
   9. Trichinosis
   10. Schistosomiasis
   11. Onchocerciasis
   12. Loiasis
2. Noninfectious
   1. Allergy
   2. Vasculitis
   3. Malignancy
   4. Idiopathic

Source

• Tarascon Adult Emergency Pocketbook
• Rashes