Published on Jan 16, 2022 | 3:30 PM
Exposure to the herpes simplex virus carries a high risk of transmission, which is why testing is recommended if you believe you may have been exposed. Even when symptoms are not present, the virus can remain dormant in the body and may still be transmitted to others. While herpes is not curable, effective treatments can significantly reduce symptoms, outbreak frequency, and transmission risk.
Below, we explain the differences between the two types of herpes virus, their symptoms, diagnosis, and treatment options.
Herpes simplex virus (HSV) is a common viral infection that may or may not cause immediate symptoms. There are two primary types: HSV-1 and HSV-2. Each type differs in transmission patterns and typical symptom locations.
Globally, more than half of adults have HSV-1, while HSV-2 affects a smaller but significant percentage of the population. Either type can infect oral or genital areas.
HSV-1 is most commonly transmitted through oral-to-oral contact. It typically causes oral herpes, often referred to as cold sores or fever blisters. These appear as painful, fluid-filled blisters around the mouth, lips, or gums.
Tingling, itching, or burning around the mouth
Small, painful blisters
Crusted sores after blisters rupture
Mild fever or general discomfort (especially during the first outbreak)
Symptoms usually appear 1–3 weeks after exposure, though many people never develop noticeable sores.
HSV-1 is not curable, but outbreaks often become less frequent and less severe over time. Antiviral medications can shorten outbreaks and reduce transmission risk.
HSV-2 is most commonly associated with genital herpes and is primarily transmitted through sexual contact. In some cases, HSV-1 can also cause genital herpes through oral-genital contact.
Itching or tingling in the genital or anal area
Painful blisters or open sores
Fever, headache, or muscle aches (especially during the first outbreak)
Swollen lymph nodes
Pain with urination
Initial outbreaks usually occur 1–3 weeks after exposure and may last several weeks. Over time, outbreaks typically become less frequent and milder.
Herpes can be diagnosed through several methods, depending on symptoms and timing:
PCR testing from a lesion (most accurate during active outbreaks)
Viral culture from an open sore
Blood tests to detect HSV-1 or HSV-2 antibodies (helpful for past exposure)
Testing is especially important for people with genital symptoms, multiple partners, or immunocompromising conditions.
There is no cure for herpes, but antiviral therapy is highly effective at managing the condition.
Valacyclovir (Valtrex®)
Acyclovir (Zovirax®)
Famciclovir (Famvir®)
Treatment strategies include:
Episodic therapy to shorten outbreaks
Daily suppressive therapy to reduce outbreak frequency and lower transmission risk
Suppressive therapy can reduce transmission risk by up to 50% when combined with safer-sex practices.
If you are experiencing symptoms or believe you may have been exposed to herpes, Call-On-Doc offers fast, private, and affordable care.
Through Call-On-Doc, you can:
Request discreet online evaluation
Receive antiviral prescriptions quickly
Access suppressive or outbreak treatment
Avoid long wait times or in-person visits
Care is provided through secure online forms, phone calls, or video visits—so you can get treatment when you need it, without delay.
English graduate and Call-On-Doc’s medical resource guide, Wayne C. Hahne is an experienced and passionate medical education content expert. Through diligent research, provider interviews and utilizing the industry's leading resources for wellness information, it is Mr. Hahne’s personal mission to educate the general public on medical conditions with in-depth and easy-to-understand written guides. Updated 12/26/2025
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