This test checks your blood for antibodies made by your immune system in response to the herpes simplex virus (HSV). There are two main types of HSV: type 1 (commonly linked to cold sores) and type 2 (mainly linked to genital herpes). The test looks for two types of antibodies, IgG and IgM, to find out if you have a current or past HSV infection. It is important because many people with herpes may not show symptoms, and early detection helps with health management and care.

What it Measures

The HSV antibody panel examines your blood for signs that your body has responded to the herpes virus. Here’s what each part of the test means:

HSV-1 Antibodies (IgG & IgM):

IgG Antibody: Shows if you have ever been exposed to HSV-1, which usually causes cold sores around the mouth. IgG stays in your body for life and can confirm a past infection.
IgM Antibody: Appears soon after you are first infected. It suggests a recent or current infection but may not always be present, especially with repeat outbreaks.

HSV-2 Antibodies (IgG & IgM):

IgG Antibody: Indicates if you have ever been exposed to HSV-2, which mainly causes genital herpes. Like HSV-1 IgG, it remains in your body for life and signals a past infection.
IgM Antibody: Shows up early in a new infection but can disappear quickly. It may not always be reliable for diagnosing new or repeat infections.

Why Both IgG and IgM?

IgG helps confirm if you have had the virus before, even if you feel fine now.
IgM can help spot a new infection, but sometimes it gives false results. Doctors often rely more on IgG for accurate diagnosis.

What Does the Test Not Do?

It does not find the virus itself—only your body’s reaction to it.
It cannot tell exactly when you were infected, just if you have been exposed.

Why is it Important?

Identifies Silent Infections: Many people with HSV do not have visible symptoms. This test helps find hidden infections, so you can take steps to protect your health and others.
Guides Treatment: Knowing if you have HSV-1 or HSV-2 helps your doctor choose the right care plan, especially if you have symptoms like sores or pain.
Protects Pregnant Women and Babies: HSV infection during pregnancy can affect the baby. Testing helps doctors take action to keep both mother and child safe.
Reduces Spread: If you know you have HSV, you can take steps to avoid passing it to others, especially partners or newborns.
Peace of Mind: If you are worried about past exposure or have a partner with herpes, this test can give you clear answers and help you make informed choices.

When Should I Get This Test?

If you have painful blisters or sores around your mouth or genitals.
If you have had unprotected sex with someone who may have herpes.
If you are pregnant or planning to become pregnant.
If your doctor suspects HSV infection due to symptoms like fever, body aches, or swollen glands.
If you have a weakened immune system or HIV and need to check for hidden infections.

Interpretation of Test Results

Understanding what your results might mean is helpful, but always discuss them with a doctor for a proper diagnosis.

Result Type	What it Means
Normal	No HSV antibodies found. Likely no past or current HSV infection.
Borderline	Results are unclear. You may need to repeat the test or do more tests.
Abnormal	HSV antibodies found. You have been exposed to HSV at some point.

(Note: Specific normal ranges can vary slightly between labs and depending on individual factors. Always refer to the ranges provided on your report and consult your doctor.)

Additional Information

The test may not detect very recent infections; repeat testing may be needed if exposure was recent.
A positive result does not mean you will always have symptoms—many people never have outbreaks.
Always talk to your doctor about your results, especially if you are pregnant or have other health conditions.

Test Requirements

Sample Type: Blood sample.
Preparation Needed: Fasting is not required. You can eat and drink as usual.
Precautions: No special precautions are needed, but inform your doctor about any medicines or health conditions you have.

Partnered Health Labs:

FAQs

Do I need to fast before taking the HSV antibody test?
No, fasting is not required for this blood test. You can eat and drink as usual before your sample is collected.
What does a positive IgG or IgM result mean for me?
A positive IgG means you were exposed to HSV at some point, even if you never had symptoms. A positive IgM may suggest a recent infection, but sometimes it can be a false alarm. Always ask your doctor what your results mean for your health.
Can this test tell if I have genital or oral herpes now?
This test shows if you have been exposed to HSV-1 or HSV-2, but it cannot tell if you have an active infection or where the infection is on your body. If you have sores, your doctor may do a swab test for more details.
Is the HSV antibody test safe during pregnancy?
Yes, the test is safe for pregnant women. It helps doctors protect both mother and baby, as HSV can sometimes affect newborns if the mother is infected.
What should I do if my results are abnormal?
If your results show HSV antibodies, talk to your doctor. They will explain what it means for you, suggest next steps, and help you manage your health. Do not panic—many people with HSV live healthy lives with the right care.

For more information, see Netmeds Health Library blog: Herpes Is Incurable, Prevention Is The Key

Herpes Simplex Virus (HSV) antibody I, II panel, IgG & IgM

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Reports

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experience

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Customers