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Can You Get Viral Hepatitis from Oral Sex?

Nicole Cutler L.Ac. October 9, 2009

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Make sure you know the facts about how oral sex could transmit the three most common types of viral hepatitis. Please note: explicit descriptions of sexual activity are contained within this article.

The risk of contracting viral hepatitis through oral sex is different for each viral strain:

  • Hepatitis A Risk – The Hepatitis A virus is highly concentrated in the feces. Unfortunately, it will almost inevitably be present on apparently clean anal skin of infected individuals. Thus, there is a substantial risk in acquiring Hepatitis A from analingus. Several epidemic outbreaks have been reported among gay men, but heterosexual couples practicing analingus are just as likely to be at risk.
  • Hepatitis B Risk – The Hepatitis B virus can cause chronic liver disease – and has the potential to be fatal. Considered to be 100 times more infectious than HIV, Hepatitis B viral particles are in semen, vaginal secretions, stool, tears, saliva, sweat and blood (including menstrual blood). There is clear evidence that Hepatitis B can be transmitted through vaginal and anal intercourse, but it is unproven whether it can be transmitted through oral sex. Since it is so contagious, there is a theoretical risk of transmitting Hepatitis B through cunnilingus, fellatio or analingus.
  • Hepatitis C Risk – The Hepatitis C virus can also cause chronic liver disease with a potential for being fatal. Transmitted via blood-to-blood contact, this illness is harder to acquire from sexual contact. While there is little evidence proving Hepatitis C acquisition through oral sex, a theoretical risk exists if there is any blood present in the giver or receiver. Thus, a risk of transmitting Hepatitis C via cunnilingus, fellatio or analingus exists if there is any menstrual blood, bleeding gums, a throat infection, cold sores, canker sores, genital warts, hemorrhoids or any other breaks in the skin in any involved body structure – vagina, clitoris, labia, penis, testicles, anus, perineum, lips, tongue or anywhere else on the genitalia or inside the mouth.

Experts believe that viral hepatitis is more likely to be transmitted if either the positive or the negative partner has another STD, especially one that causes sores or lesions. Thus, suspicious symptoms should always be checked by a doctor before engaging in oral sex.

Besides being vaccinated against Hepatitis A and B, safer sex practices can help prevent the spread of viral hepatitis. Using condoms can prevent disease transmission during fellatio; latex or polyurethane condoms are best for disease prevention since natural skin condoms have small pores that can let viruses through. Latex dental dams, sheets of plastic wrap and latex sheets sold specifically for oral sex can help prevent disease transmission during cunnilingus or analingus.

Although the risk of transmitting viral hepatitis during oral sex is low, practitioners suggest abstaining if there are any cuts or sores on the mouth or genitalia areas. Additionally, some experts suggest avoiding brushing or flossing their teeth right before or after oral sex since these activities may create tiny abrasions or result in bleeding gums.

Vaccinations against Hepatitis A and B can protect you if you’ve been exposed to one of these viral particles during oral sex. However, these vaccines will not protect you from Hepatitis C or any other STD. Therefore, knowing what situations are riskiest, and being prepared to abstain or practice safe sex, is your best bet for engaging in disease-free oral sex.

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http://menshealth.about.com/cs/diseases/a/hepatitis_4.htm, How You Get Hepatitis, Jerry Kennard, Retrieved October 1, 2009, About.com, 2009.

http://www.hcvadvocate.org/hepatitis/factsheets_pdf/sextrans.pdf, Sexual Transmission of Hepatitis C, Retrieved September 30, 2009, Hepatitis C Support Project, 2009.

http://www.netdoctor.co.uk/infections/infectionoralsex.htm, Infection Risk and Oral Sex, Retrieved September 30, 2009, netdoctor.co.uk, 2009.

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