Infectious Joint Pain - Differential Diagnosis Algorithm
Polyarticular Join Pain
• Viral Myalgia
• Viral Arthritis
• Disseminated Gonoccocal Infection (Dermatitis, Migratory Arthralgia & Tenosynovitis)
• Secondary Syphilis (Red/Copper Papules & Mucosal Lesions)
• Fifth Disease (Erythema Infectiousum & Symmetrical Rash)
• Rubella (Measles- like rash)
• Primary HIV Infection
• Endocarditis
Monoarticular - Peri-Articular
• Cellulitis
• Necrotizing Fasciitis
• Septic Bursitis
• Abscess
• Osteomyelitis
• Lymphadenitis
• Warts
Monoarticular - Articular
- Acute Onset
• Septic Arthritis
- Insidious Onset
• Fungal tuberculosis
• Lyme Disease (Erythema Migrans)
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