Mixed Connective Tissue Diseases

Overlapping Autoimmune Disorder

Understanding Mixed Connective Tissue Diseases: Symptoms, Diagnosis & Advanced Care

Mixed Connective Tissue Disease (MCTD) is a rare autoimmune disorder that features overlapping features of several connective tissue diseases, including systemic lupus erythematosus, systemic sclerosis, and polymyositis. Unlike single autoimmune conditions, MCTD occurs when the immune system triggers a mixed pattern of inflammation affecting multiple organ systems. Early diagnosis and targeted treatment are crucial to managing symptoms, preventing organ damage, and improving quality of life. At IRIS Centre for Rheumatology, we offer world-class, patient-centric care for MCTD using the latest advances in rheumatology.

Mixed Connective Tissue Disease can affect anyone at any age, but it most commonly begins between the ages of 15 and 35. Women are affected much more frequently than men. The condition may also cause systemic inflammation affecting the skin, joints, muscles, lungs, heart, kidneys, and blood vessels. At IRIS, our multidisciplinary team ensures comprehensive management from early diagnosis to long-term remission strategies.

With our state-of-the-art immunodiagnostic laboratory, musculoskeletal ultrasound, and personalized treatment plans — including immunosuppressants and corticosteroids — we aim to halt disease progression, relieve symptoms, and restore quality of life. Healing begins with expert care and compassion.

Common Symptoms of Mixed Connective Tissue Diseases

MCTD symptoms can vary in severity. Early recognition leads to better outcomes.

• Raynaud's phenomenon (color changes in fingers/toes)
• Joint pain, swelling, and stiffness (arthritis)
• Swollen fingers (sausage-like appearance)
• Muscle weakness (myositis component)
• Skin rashes (lupus-like or scleroderma-like)
• Difficulty swallowing and pulmonary hypertension