Oral Herpes Test (HSV-1)

Most oral herpes infections are caused by HSV-1, and the majority of people who have it don't know — because they've never had a noticeable outbreak. A blood test can detect HSV-1 antibodies whether you currently have symptoms or not. There's no exam, no undressing, and results are typically ready within 1–2 business days.

Blood draw — no swab needed

Results in 1–2 days

99%+ accurate

100% confidential

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How it works

Order online

Select the oral herpes test and find a certified lab near you. No appointment needed at most locations.

Visit a local lab

Over 4,500 locations nationwide. The visit takes about 5 minutes from check-in to out the door.

No exam · No undressing

Give a blood sample

A lab technician draws a small sample of blood. The test looks for HSV-1 antibodies — no active sore or swab required.

Quick blood draw

Get your results

Secure, private results delivered to your email in 1–2 business days. If you test positive, a physician consultation is included at no extra cost.

If positive — doctor consult included

Test Type

Blood Draw

Detects HSV-1 antibodies

Results In

1–2 Days

Delivered to your email

Accuracy

99%+

FDA-cleared test

Privacy

100%

Discreet billing & results

Why get tested for oral herpes?

Most people have no idea they're infected

According to the CDC, an estimated 47.8% of Americans aged 14–49 have HSV-1. The vast majority never experience a textbook cold sore — or they mistake outbreaks for a chapped lip or minor irritation. Testing is the only way to know for certain.

You can transmit it without an active sore

HSV-1 sheds asymptomatically — meaning the virus can spread through saliva or skin contact even when no sore is visible. Knowing your status lets you take steps to protect partners, including avoiding oral sex during shedding periods.

Oral herpes can be transmitted genitally

HSV-1 is now a leading cause of genital herpes infections in many countries, transmitted through oral sex. If you have HSV-1 and don't know it, you may be passing it on in ways you haven't considered.

A confirmed diagnosis opens up treatment options

Antiviral medications like acyclovir and valacyclovir can reduce the frequency, severity, and duration of outbreaks. They can also lower the risk of transmission to partners. You can't access suppressive therapy without a confirmed diagnosis.

What to expect

Before your visit

No special preparation required

You don't need to fast or avoid anything before this test. You can have an active sore or no symptoms at all — the blood test works either way.

At the lab

A quick blood draw — nothing more

A phlebotomist draws a small blood sample from your arm. The whole process takes about 5 minutes, and there's no physical exam or swab involved.

Your results

Private email in 1–2 days

Results are delivered to your secure online account and sent to your email. If your result is positive, a physician consultation is included to walk you through next steps.

Know your status — get tested today

Same-day testing at 4,500+ locations. No appointment needed. Results in 1–2 days.

Compare Tests & Pricing → Find a Clinic Near You

Common questions

HSV-1 typically causes oral herpes — cold sores or fever blisters around the mouth. HSV-2 is more commonly associated with genital herpes. That said, HSV-1 can infect the genital area through oral sex, and HSV-2 can occasionally appear orally. This test specifically screens for HSV-1 antibodies.

Yes — and that's actually one of the biggest advantages of a blood-based antibody test. It detects whether your immune system has ever responded to HSV-1, regardless of whether you currently have a sore or have ever noticed one. You don't need an active outbreak to test.

The HSV-1 IgG blood test is highly accurate, with sensitivity and specificity both exceeding 99% in FDA-cleared lab conditions. One caveat: if you were recently exposed, it can take 12–16 weeks after infection for antibodies to reach detectable levels. If you're in that window, retesting later gives a more definitive answer.

Yes. After initial exposure to HSV-1, it typically takes 12–16 weeks for your body to produce enough antibodies to show up on a blood test. If you've had a recent potential exposure, your result may come back negative even if you're infected. Retesting at the 16-week mark provides a reliable result.

A positive result means HSV-1 antibodies were detected in your blood. A physician consultation is included with your test — a doctor will review your results, answer your questions, and discuss treatment options like antiviral therapy if appropriate. Having HSV-1 is very common and manageable.