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4 Things You Should Know Before A Blood Test

Blood tests are the most common diagnostic tests performed as part of a routine health exam or to check for a virus or bacteria that is bothering the patient. Unfortunately, blood tests are mildly painful, and patients with undiagnosed conditions are exposed to tremendous stress before reviewing test results. 

To ensure a hassle-free blood collection, here are some tips. 

  • Fasting before blood tests 

A full stomach often leads to inaccurate or biased blood test results, so doctors recommend fasting for 8 hours before taking the sample from the patient. During Lent, patients should make sure they are well hydrated and avoid too much stress. If your lab offers a home drawer in Mumbai, it is best to have a lab technician take your blood sample early in the morning. 

  • Staying Hydrated

Sufficient water intake facilitates blood collection. Drinking water ensures that blood can be drawn more easily by filling the veins, making it easier for the physician or laboratory technician to locate the veins and remove blood without pain. 

  • A Good Laboratory

A reputable laboratory should be selected for blood testing. Phlebotomists or medical technicians trained to draw blood from patients play an essential role in making the overall experience more seamless. Therefore, make sure to choose a reliable laboratory service with a home collection facility in Mumbai to perform the test. 

  • Bruises are normal 

Very slight bruising and swelling around the injection site are expected in all patients and disappear within a few days. Your blood is responsible for transporting nutrients, minerals, body fluids, and most importantly, oxygen to different parts of your body.

Whenever your body is attacked or affected by infection, inflammation, or any other disease, it produces chemicals that tell your system something is wrong. Because of this, most types of diseases will have a blood test to diagnose a health problem. 

Types of blood tests 

Blood tests can convey a lot about the functionality of your system. Therefore, they are divided into different types that have a specific medicinal purpose. As a patient undergoing such a test, there are a few things to know before having a blood test. 

Here are four things to know before a blood test.

Type of test to be performed 

You need to know what type of blood test to perform as minor changes in two similar types. Therefore, a basic understanding is necessary. 

As mentioned above, “n” health problems can be controlled with a blood test. As a result, blood tests are of different types and are intended to understand each problem individually. 

The blood test can be performed as an individual or group test (also known as a profile). A profile contains more than one type of blood test or more than one type of diagnosis in a single test. For example, in a thyroid profile, blood is drawn to determine the levels of T3, T4, T3RU, and TSH. 

Blood tests 

Other types of blood tests include blood cultures, swabs, and other types. For example, a blood culture test is done to detect certain types of infections. The blood in such a test is cultured and kept under observation to learn more about the nature of the infectious microorganisms in your blood. A blood smear is a microscopic examination of your blood for various medical reasons. Other blood tests generally involve learning how to measure a specific component present in your bloodstream. 

Normal and abnormal measurements 

A blood test to count the amount of a given substance should be within its normal range. When the number rises or falls from the normal range, the bodily tasks begin to change. This leads to small or large problems related to the substance we are talking about. 

Please note that the normal range for blood tests is different for men and women.


Few types of tests require adequate control of the diet 12 days before the day of the test. For example, some are asked to avoid certain foods or beverages (alcoholic/non-alcoholic) 23 days before the test, while others are asked to fast for hours before the test. Diet changes will depend on the type of test you are doing.


Medications If you are going to have a routine exam that usually does not require a prescription, you should note this point. Before doing some tests, you may need to stop taking medications that can change your test reports. If you have no idea about this, talk to the lab technician beforehand.

Lastly, online booking for blood tests can be reserved priory with the help of a single click. As a result, online blood test appointments help save time and can be carried out hassle-free.


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    Rohit Bajpai says:

    Nice blog on the blood tests. Thank you for posting.

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