A CRP test measures C-reactive protein in the blood, which rises when there is inflammation or infection in the body.

When should I take a CRP test?

If you have signs of infection, chronic pain, unexplained fever, or if your doctor wants to monitor a condition, a CRP test is recommended.

What causes high CRP levels?

High CRP levels may result from bacterial infections, autoimmune conditions, inflammatory diseases, or cardiovascular problems.

Do I need to fast for a CRP test?

Fasting is not typically required for a CRP test unless other tests are done alongside it.

Where can I get a CRP test done in India?

CRP tests are available through labs like Thyrocare, which you can access easily via platforms like SecondMedic for home collection.

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Published on: Jul 07, 2025
3 minute read
By: Secondmedic Expert

CRP Test Meaning And When To Do It

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If you’ve recently had blood work or your doctor suspects an infection or inflammation, they may have recommended a CRP test. But what is it? Why is it important? And when exactly should you get it done?

Let’s simplify the medical jargon and walk you through the CRP test meaning and when to do it, especially in the Indian healthcare context.

What Is a CRP Test?

CRP stands for C-reactive protein. It is a substance produced by your liver in response to inflammation in the body.

The CRP test is a blood test that measures the amount of C-reactive protein in your blood. High levels of CRP usually mean there’s inflammation in your body, which could be due to an infection, injury, or a chronic disease like arthritis.

High CRP = Inflammation Alert

This test doesn’t tell you what’s causing the inflammation—it simply tells you that something is wrong, and further testing might be needed.

What Does the CRP Test Detect?

While CRP is a general marker, it is helpful in detecting:

Bacterial or viral infections
Autoimmune disorders like rheumatoid arthritis or lupus
Inflammatory bowel diseases
COVID-19 severity
Heart disease risk (especially with high-sensitivity CRP or hs-CRP)

When Should You Do a CRP Test?

You should get a CRP test done when:

You have fever or chills that won’t go away
You’re showing signs of infection like cough, swelling, or pain
Your doctor is monitoring an autoimmune disease
You’re recovering from surgery or injury
Your doctor is checking inflammation due to chronic disease
You are showing COVID-like symptoms (to assess severity)

Normal CRP Levels:

CRP Level	Interpretation
Below 1 mg/L	Low risk of inflammation
1–3 mg/L	Moderate risk
Above 3 mg/L	High inflammation or infection present
Above 10 mg/L	May indicate serious infection or disease

Note: For heart disease risk, a high-sensitivity CRP (hs-CRP) test is used.

Is Fasting Required for the CRP Test?

No, fasting is not required. You can take the CRP test at any time of day, unless it is being done with other tests that require fasting (like blood sugar or cholesterol).

Lab Tests Packages Including CRP

You can book a CRP test alone or as part of a health package via SecondMedic.com, powered by Thyrocare:

Basic CRP Test

Detects inflammation/infection
Simple blood draw
Home sample collection

COVID Monitoring Panel

CRP, D-Dimer, Ferritin, CBC
Recommended if you have COVID symptoms or are recovering

Inflammation Panel

CRP + ESR + CBC + Liver Profile
For those with chronic fatigue, joint pain, or autoimmune diseases

Lifestyle Tips If Your CRP is High

A high CRP may indicate ongoing inflammation. Along with medical treatment, here are some tips:

Eat more fruits, vegetables, and whole grains
Cut down on sugar and processed food
Include omega-3 rich foods like flaxseed and fish
Exercise regularly
Manage stress and sleep better
Quit smoking and limit alcohol

5 Most Asked Questions About the CRP Test

1. What is the CRP test used for?

CRP tests are used to check for inflammation due to infections, autoimmune diseases, and to monitor treatment effectiveness.

2. What causes a high CRP level?

Infections, chronic inflammation, surgery, injuries, and lifestyle diseases like diabetes and heart disease.

3. Is a CRP test painful?

No. It’s a simple blood test and usually takes just a few minutes.

4. How long does it take to get CRP test results?

Most labs deliver CRP results within 24 to 48 hours.

5. Can CRP levels return to normal?

Yes, with proper treatment and lifestyle changes, CRP levels can go back to the normal range.

Booking a CRP Test Online (Thyrocare via SecondMedic)

Here’s how you can book it:

Go to www.secondmedic.com
Search for "CRP Test – Thyrocare"
Select home sample collection
Enter your location and schedule pickup
Get digital results within 1–2 days

Conclusion

The CRP test is a simple, affordable, and powerful tool to detect inflammation early. Whether you’re dealing with an infection, monitoring a chronic condition, or recovering from illness, this test gives your doctor a clearer picture of what’s happening inside your body.

Don’t ignore signs like unexplained fever, fatigue, or body pain. Get tested.

If you’re wondering about CRP test meaning and when to do it — the answer is simple: whenever inflammation or infection is suspected, this test is your body's alert system.

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Read FAQs

A. A CRP (C-reactive protein) test is a blood test that detects inflammation in your body. It’s used to monitor infections, autoimmune diseases, or heart conditions.

A. You should get a CRP test if you have symptoms like high fever, fatigue, swelling, or suspected infection, or if your doctor is monitoring a chronic condition.

A. A high CRP level indicates inflammation, which could be due to infections, autoimmune diseases (like rheumatoid arthritis), or heart problems.

A. No, fasting is generally not needed for a CRP test. It can be done at any time of the day unless your doctor advises otherwise.

A. You can book a CRP test through diagnostic partners like Thyrocare via SecondMedic.com, with home sample collection and quick results.

Read Blog

Is Curd Good or Bad for Acidity?

Acidity is a common digestive issue in India—often triggered by spicy food, irregular meals, stress, or poor gut health. In such situations, curd is often suggested as a home remedy. But the big question is: Is curd good or bad for acidity?

Let’s dive into the facts, benefits, and precautions you should know.

What Makes Curd Special?

Curd is a fermented dairy product rich in probiotics—beneficial bacteria that help maintain a healthy digestive system. Unlike milk, curd is easier to digest and is often considered cooling for the stomach.

Why Curd Is Good for Acidity (for Most People)

1. Probiotics Balance Stomach Acid

Curd contains Lactobacillus bacteria which improve digestion and reduce bad bacteria that cause acidity.

2. Cools the Stomach

Curd has a soothing effect on the stomach lining and helps reduce inflammation caused by excess acid.

3. Prevents Acid Reflux

By improving digestion, curd reduces the time food stays in the stomach—lowering the chances of acid reflux.

4. Aids Gut Healing

If your acidity is due to poor gut flora, curd can restore balance and improve nutrient absorption.

When Curd Might Not Be Suitable

Curd may not suit everyone. Here are cases when curd may worsen acidity or cause discomfort:

1. Lactose Intolerance

If you’re sensitive to dairy, curd may cause gas, bloating, and worsen acid reflux symptoms.

2. Eating Curd at Night

Curd increases mucus production in some people. Eating it late at night might cause discomfort or cold-like symptoms.

3. Flavored or Sweetened Curd

Packaged or sweet curds often contain sugar, preservatives, and artificial flavors which can irritate the stomach lining.

4. Combining with Heavy Meals

Eating curd with non-digestible or spicy food can cancel out its benefits and lead to fermentation in the gut.

Best Time to Eat Curd for Acidity

With lunch – balances digestion
Mid-morning or early evening – good for snacks
Avoid late-night curd or with heavy dinners

How to Eat Curd for Maximum Benefit

Eat plain, unsweetened curd
Add jeera powder, black salt, or mint for better digestion
Use it in buttermilk or raita instead of plain form if acidity is frequent
Avoid eating it cold from the fridge—room temperature is best

Healthy Curd-Based Recipes for Acidity

1. Jeera Raita

Curd + roasted cumin powder + black salt – cools the stomach

2. Mint Buttermilk (Chaas)

Curd + water + mint + salt – aids digestion and reduces acidity

3. Lauki (bottle gourd) Raita

Curd + boiled lauki – light and cooling for the gut

When to Get Tested

If you suffer from chronic acidity, indigestion, or burning sensation even after diet changes, get tested for:

H. pylori infection
Liver issues
Food intolerances
Gastritis or ulcers

You can book these tests at SecondMedic.com with Thyrocare-backed labs and home collection.

Conclusion

So, is curd good or bad for acidity?
Yes, curd is generally good—thanks to its probiotics and cooling nature. But it must be eaten plain, in moderation, and at the right time of day.

If you have specific gut sensitivities or lactose issues, talk to a doctor before including curd in your diet regularly.

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