A 27-year-old male had burning micturition and urethral discharge. After 4 weeks he developed joint pains involving both the knees and ankles, redness of the eye and skin lesion. The most probable clinical diagnosis is: (A) Psoriasis vulgaris, (B) Reiter's syndrome, (C) Behcet's syndrome, (D) Sarcoidosis
Answer is B. Occurence of Arthritis and conjunctivitis following urinary tract infection suggests the diagnosis of Reiter's syndrome.