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)



#Infectious #JointPain #MSK #Differential #Diagnosis #Algorithm #Orthopedics #Causes