Medically the review by Madeline Knott, MD — written by Jayne Leonard — to update on September 7, 2020

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Herpes simplex virus kind 2 (HSV-2) is a kind of herpes virus. Infection through dental sex alone is rare, despite it is possible to get the virus through sex-related contact.


HSV-2 causes lesions, such as sores and blisters, to form on the skin. The virus is transmissible v skin-to-skin contact, and also transmission deserve to occur also when a human does no have any type of visible lesions.

This type of contagious agent is the main cause of genital herpes, according to the people Health company (WHO).

Although that is rare the HSV-2 spreads through oral sex, the virus deserve to be transmissible v the genital-oral route. World with compromised immune systems have actually a greater risk the contracting the virus.

This post will explain how HSV transmits from one human to another. That will also suggest some measures a person deserve to take to reduce the danger of transmission.


Is HSV-2 transmissible through dental sex?

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Share top top PinterestIt is rarely for HSV-2 come transmit through oral sex.
HSV-2 generally passes in between hosts with vaginal or anal intercourse. That is less common for this contagious agent to transmit through oral sex.

Herpes simplex virus form 1 (HSV-1) is a different kind of herpes that spreads much more commonly through oral sexual call than HSV-2, follow to a 2019 testimonial of studies.

HSV-2 is transmissible when locations of skin with the virus come into contact with mucous membranes. These space moist linings in details parts that the body, consisting of the vagina, anus, and also mouth.

Because the mouth is an area lined with mucous membranes, HSV-2 deserve to still spread through dental sex.

If the genital area the a human being with HSV-2 renders physical call with the mucous membrane in one more person’s mouth, the virus may go into the worried system and also lead to oral herpes.

Similarly, HSV-2 can pass native the mouth that a human being who dead it to the genital area of one more person as a an outcome of giving oral sex.

Some people have a higher risk than others of obtaining HSV-2 through dental sex, including:

people with endangered immune systems, such together those who have HIVpeople taking immunosuppressant drugs after an organ transplant

Skin-to-skin contact is vital for the transmission of HSV-2. It is not feasible to get the virus from comes into call with semen, poignant toilet seats or various other objects, or using warm tubs.

HSV-2 overcome from one person to another when locations of skin containing the virus come into contact with mucous membrane in or open locations on the skin of people who execute not have it.

When the contagious agent is active, it travel to the mucous membrane or components of the skin that currently contain the virus and also replicates itself. This procedure is known as shedding.

Shedding can reason sores and also lesions in the area that has the infection. The virus transmits to others more easily after ~ shedding.

The virus will eventually move through the nerves indigenous the skin come the sacral ganglia, i m sorry is one area close to the basic of the spine. Here, that will remain dormant till it at some point reactivates.

Symptoms are not always noticeable also when the virus is active, and HSV-2 is still transmissible as soon as no symptoms are showing.


Oral herpes, also known as cold sores or heat blisters, occurs due to HSV-1. Over fifty percent of all adult in the unified States have oral herpes, follow to the American Sexual health Association (ASHA).

Genital herpes, top top the other hand, often tends to be a much more direct result of HSV-2 transmission. In the U.S., the ASHA estimate that 1 in every 8 world aged 14–49 years have HSV-2.

The bulk of people who test confident for one HSV-2 infection are unaware the they lug it for the following reasons:

They carry out not display any symptoms.Their symptoms are mild.Doctors have attached the symptoms to a various health problem.

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Both HSV-1 and HSV-2 can have effects in either the dental or genital regions. However, having actually one kind of HSV go not median that an separation, personal, instance will gain the other.

HSV-1 and also HSV-2 are genetically similar, therefore the immune mechanism of a human with herpes will develop antibodies to fight one infectious agent and also potentially mitigate the hazard of contracting the other.