M02.319

Clinical Causes: Infection: Often triggered by bacterial infections, particularly those affecting the intestines, urinary tract, or genitals. Common bacteria include Chlamydia trachomatis, Salmonella, Shigella, Yersinia, and Campylobacter. Genetic Factors: Certain genetic markers, such as the HLA-B27 gene, may increase susceptibility. Immune Response: An abnormal immune response to infection causes inflammation that can affect joints, eyes, and the urinary tract. Environmental Factors: Stress and other environmental factors may influence disease onset, though they are not direct causes.

Key Symptoms: Joint Pain and Swelling: Particularly in the shoulders, knees, ankles, or hips. Shoulder involvement can cause pain and stiffness that limit movement. Eye inflammation: Redness, pain, or sensitivity to light (uveitis or conjunctivitis). Urinary or Genital Symptoms: Pain or a burning sensation during urination, occasionally accompanied by discharge. Skin Changes: Rashes or sores around the genitals or on the palms and soles. Mild Fever: Often present during the initial phase of the disease. General Fatigue: Feeling tired and Malaise.

Diagnosis Path: Diagnosis of Reiter's disease primarily involves clinical evaluation, patient history, and laboratory tests. Healthcare providers may perform blood tests to check for inflammation markers and genetic markers such as HLA-B27. Joint x-rays or ultrasounds can help assess joint damage or inflammation. Swabs or urine tests may identify the infectious agent triggering the reaction. Since symptoms can resemble other forms of arthritis, ruling out other conditions is essential.

Treatment Protocols: Treatment focuses on alleviating symptoms and controlling inflammation. Strategies may include: - Nonsteroidal Anti-Inflammatory Drugs (NSAIDs): To reduce pain and swelling in affected joints. - Corticosteroids: Oral or injectable steroids for severe inflammation. - Antibiotics: Prescribed if a bacterial infection is identified or suspected, particularly in cases triggered by sexually transmitted infections. - Physical Therapy: Exercises to maintain joint mobility and strengthen muscles around affected areas. - Rest and Activity Balance: Adequate rest to reduce joint stress, combined with gentle activity as tolerated. - Managing Skin and Eye Symptoms: Special treatments may be needed if skin or eye involvement occurs.