CRP Test (C-Reactive Protein) in New Town, Kolkata
At Pure Bliss Healthcare Centre, Action Area 2, New Town.
What the CRP Test (C-Reactive Protein) measures
C-reactive protein is made by the liver and rises quickly when there is inflammation anywhere in the body — typically within six to eight hours of the trigger, peaking around two days later. That speed is what makes it useful: it moves faster than ESR and falls faster once the cause settles, so it is a practical way to follow whether an infection is responding to treatment. What CRP cannot do is say where the inflammation is or what caused it. A bacterial infection, a flare of rheumatoid arthritis, an injury, recent surgery and many other conditions all raise it, so the result is read alongside your symptoms and examination rather than on its own. A doctor commonly orders it for a fever with no obvious source, to judge whether an infection is bacterial enough to warrant antibiotics, or to track a known inflammatory condition over time. Note that standard CRP is a different test from high-sensitivity CRP, which is used for cardiovascular risk assessment.
Who this test is for
- Fever without an obvious cause, or a suspected bacterial infection
- Monitoring whether an infection is responding to treatment
- Following a known inflammatory or autoimmune condition
- Post-operative review where infection is a concern
How to prepare, and when to expect the report
Preparation
No fasting or special preparation. Tell the doctor about any recent injury, surgery or dental procedure, as each raises CRP in its own right.
Reporting time
Same day for morning samples; otherwise within 24 hours.
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CRP Test (C-Reactive Protein) — common questions
Booking, preparation and reporting for the CRP Test (C-Reactive Protein) at Action Area 2, New Town.
What is the difference between CRP and hs-CRP?
They measure the same protein at different scales. Standard CRP is for detecting and following active inflammation or infection. High-sensitivity CRP resolves much smaller values and is used to assess cardiovascular risk, not infection. Ordering the wrong one is a common and avoidable expense.
Does a high CRP mean I have an infection?
Not necessarily. CRP rises with any inflammation — injury, surgery, autoimmune flares and some chronic conditions all raise it. It tells your doctor that something inflammatory is happening, not what.
How quickly does CRP fall once I start treatment?
It typically starts falling within a day or two of the cause being controlled, which is why doctors sometimes repeat it after 48 to 72 hours to check that treatment is working.
Is CRP better than ESR?
They answer slightly different questions. CRP rises and falls quickly, so it reflects what is happening now; ESR moves slowly and can stay raised for weeks. Doctors sometimes order both.