Venereal Disease Research Laboratory (VDRL) Test In Chennai - Price & Details

The VDRL (Venereal Disease Research Laboratory) test is a blood test used to screen for syphilis, a sexually transmitted infection (STI) caused by bacterium Treponema pallidum. The test identifies the protective proteins, also called antibodies, that the body produces in response to the bacterium. It helps healthcare providers assess the possibility of infection and may also be used to monitor treatment progress. Your doctor may recommend a VDRL test if you are experiencing symptoms associated with syphilis, such as painless sores, skin rashes, or swollen lymph nodes. It may also be advised if you have had exposure to an infected individual, require routine STI screening, or need testing during pregnancy. The test is quick and simple, requiring a small blood sample collected from a vein in your arm. In most cases, no fasting or special preparation is needed before sample collection. Since the VDRL test serves as an initial screening test, reactive results may require further confirmatory testing. Your healthcare provider will interpret the results based on your symptoms, medical history, and additional findings.

Your doctor may recommend a VDRL test if you experience symptoms or signs that could be associated with syphilis, including:

• A painless, firm sore (chancre) on the genitals, mouth, or other areas of the body
• Fever
• Fatigue or general weakness
• Skin rashes that may appear across different parts of the body and may not itch
• Wart-like growths or sores
• Muscle aches
• Unexplained weight loss
• Headaches
• Hair loss
• Swollen lymph nodes

The test may also be advised for:

• Pregnant women, as routine syphilis screening during early prenatal care helps reduce the risk of complications that can affect the baby. Early diagnosis and treatment are important.
• Individuals with new or multiple sexual partners, or those who have had unprotected sexual contact.
• Individuals diagnosed with other STIs, such as HIV, chlamydia, or gonorrhoea, as these conditions can sometimes occur together.
• To monitoring response to syphilis treatment, as antibody levels are expected to decrease following successful treatment.

The VDRL test is not a test that is done routinely. Its frequency depends on individual circumstances, such as if you are in the high-risk group, whether you are pregnant or if you have already contracted the disease.

• Primary syphilis – The earliest stage of syphilis infection that typically develops after exposure, usually characterised by the appearance of a single painless sore (chancre) at the site where the bacterium entered the body.
• Secondary syphilis – Infection spreads throughout the body.
• Latent syphilis – Infection remains in the body without noticeable symptoms.
• Tertiary syphilis – An advanced stage that can affect organs such as the heart, brain, nerves, and eyes if left untreated.
• Congenital syphilis – Syphilis passed from the mother to the baby during pregnancy.

Important note: A positive VDRL result must always be confirmed with a treponemal test before a diagnosis of syphilis is made. Always share your results with a medical professional.

What to Expect Before the VDRL Test?

No special preparation is usually needed before a VDRL test. You can eat and drink normally, as fasting or dietary changes are generally not required. However, it is important to let your doctor know about any prescription medications you are taking, recent vaccinations, pregnancy, or existing conditions, such as autoimmune disorders or other STIs, as these factors may occasionally affect the screening results.

What to Expect During the Blood Collection?

• A trained phlebotomist will visit your home at the scheduled time for sample collection.
• You will be seated comfortably while a suitable vein, usually near the inner elbow, is identified and cleaned with antiseptic.
• A sterile needle will be used to collect a small blood sample, and you may feel a brief pinching sensation.
• Once the sample is collected, the needle will be removed, gentle pressure will be applied, and a small bandage will be placed over the site.
• The entire procedure is quick and typically takes only a few minutes.

What to Expect After the VDRL Test?

You may feel a mild throbbing pain which will pass in a few minutes. The sample will then be sent to a lab to be analysed. Your test results should be available for download within a few hours on the PharmEasy platform.

Note: If you notice anything unusual at the puncture site, such as persistent bleeding, a rash, or pain, consult your healthcare provider.

• VDRL antibody screening: This test checks for protective proteins (antibodies) that your body naturally produces when it comes into contact with the bacterium that cause syphilis. It tells you whether the antibodies are present, not how many.

The primary marker evaluated is the presence of reactive antibodies in your blood sample.

Important note: A reactive VDRL result does not prove syphilis; it must always be followed up with a confirmatory treponemal test. Always consult your doctor for interpretation.

Potential Risks and Complications

There is minimal risk involved with having blood taken for the VDRL test. Blood vessels may vary in size from one person to another and from one side of the body to the other. Taking blood from some people may be more difficult than from others.

Other risks associated with having blood drawn are slight, but may include:

• Fainting or feeling light-headed
• Multiple punctures to locate veins
• Bleeding
• Infection

Understanding VDRL Test Limitations

• The accuracy of the VDRL test may vary depending on the stage of syphilis. It is generally more sensitive during the secondary and latent stages and may be less sensitive in very early or late stages of the infection.
• Since the VDRL test is primarily a screening test, reactive results may require additional confirmatory testing for an accurate diagnosis.
• The test cannot determine whether a person is currently infectious or is in the non-infectious stage of the disease.
• In some cases, conditions such as HIV, hepatitis C, Lyme disease, malaria, certain types of pneumonia, systemic lupus erythematosus (SLE), and other autoimmune disorders may lead to false-positive results.
• As antibody responses can vary between individuals, the test may not always provide completely definitive results.
• Reference ranges and interpretation may differ slightly between laboratories. Your healthcare provider will interpret your results based on your medical history, symptoms, and additional findings.

If your VDRL test result is reactive, your doctor may recommend additional confirmatory tests such as TPHA (treponema pallidum hemagglutination assay) or FTA-ABS (fluorescent treponemal antibody absorption) testing. These tests help confirm the diagnosis by detecting antibodies that are more specific to syphilis, reducing the likelihood of false-positive results and supporting accurate diagnosis and treatment planning.

In Chennai, a VDRL test at PharmEasy is typically priced around INR 249. The cost may differ based on factors such as the diagnostic centre and local pricing variations. For further information, you can compare VDRL test prices across major cities in India.

You can book VDRL Test in Chennai through PharmEasy with convenient home sample collection across several localities, including :

• Anna Nagar
• T. Nagar
• Adyar
• Velachery
• Nungambakkam
• Mylapore
• Alwarpet
• Besant Nagar
• Tambaram
• Porur
• Guindy
• Saidapet
• Kodambakkam
• Ashok Nagar
• Kilpauk
• Perambur
• Thiruvanmiyur
• Sholinganallur
• Medavakkam
• Perungudi

You can also check service availability during purchase by entering your pincode.