• See Also
  1. Nail-Related Growths
  2. Hand Infection
  1. Dyshidrotic Eczema
  2. Nummular Eczema
  3. Contact Dermatitis
  4. Tinea Manum and Tinea Pedis
  5. Insect Bite reaction
  • Causes
  • Erosion and excoriation
  1. Impetigo or super-infected dermatitis (most common)
    1. Treat with Dicloxacillin or Erythromycin x7-10 days
  2. Scabies
  1. Eczematous Dermatitis
  2. Tinea Manum or Tinea Pedis
  3. Psoriasis
  4. Palmoplantar Pustulosis (Pustular Psoriasis)
  1. Bacterial Infection (Most common)
    1. Staphylococcus Aureus most common cause
  2. Fungi (dermatophytes, tinea)
  3. Psoriasis
  4. Old Blisters collecting debris
  • Causes
  • Solitary or scattered Pustules
  1. Bacterial Infection or Sepsis
    1. Consider NeisseriaGonorrhea, Candida
    2. Culture!
    3. Suspect Sepsis with Hemorrhagic Pustules
  2. Sporotrichosis
  3. Herpes simplex (Whitlow)
  1. Psoriasis
  2. Secondary Syphilis
  3. Reiter's Syndrome
  4. Bowen's Disease (Squamous Cell Carcinoma In Situ)
  5. Discoid Lupus (scarring)
  6. Tinea does not usually present with multiple lesions
  7. Palmoplantar Pustulosis (Pustular Psoriasis)
  1. Systemic Lupus Erythematosus
  2. Dermatomyositis
  3. Kawasaki Disease (followed by Desquamation)
  4. Liver disease
  5. Drug Eruption
  6. Viral Exanthem
  1. Kawasaki Disease (late finding)
  2. Scarlet Fever
  3. Toxic Shock Syndrome
  4. Drug Eruption
  5. Dyshidrosis
  6. Mercury Poisoning
  7. Chikungunya
  • Causes
  • Pigmented lesions
  1. Acral Lentiginous Melanoma
  2. Racial trait
  3. Postinflammatory pigment
  • Causes
  • Painful palm and sole lesions
  1. Bacterial Endocarditis
    1. Osler Nodes (Painful raised lesions on palms and soles)
    2. Janeway Lesions (Painless hemorrhagic Nodules on palms or soles)
  • Causes
  • Miscellaneous Hand and Foot Dermatitis
  1. Photodermatitis
  2. Granuloma Annulare
  3. Raynaud's Syndrome
  4. Discoid Lupus
  5. Hyperhidrosis
  6. Vector-Borne Infection
    1. Dengue Fever
    2. Chikungunya