Complement 4 near me in Chennai

Complement 4 test checks for activity of a protein of complement system. Complement system is meant to aid the body's defence mechanism. It helps in destroying the foreign particles and damaged cells or proteins. Measuring Complement C4 helps in diagnosis of the autoimmune disorders such as Lupus, Vasculitis, Glomerulonephritis, Rheumatoid arthritis, Myasthenia gravis and certain bacterial infections including pneumonia and meningitis.

Symptoms of altered C4 activity include fever, joints pain, fatigue, nausea, swelling and frequent bacterial infections. It test is mostly recommended along with C3 test.