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A person can transmit HIV through blood, semen, and breast milk. HIV is a virus that weakens the immune system, which can leave the body vulnerable to infections and diseases.

A person can transmit HIV through certain bodily fluids, such as blood, semen, and breast milk. HIV cannot survive in other body fluids, such as saliva, tears, or sweat unless blood containing HIV is also present.

This means that people are not at risk of contracting the virus if they kiss someone who has HIV. This article will debunk the myth that people can contract HIV through kissing. We also discuss how HIV is and is not transmitted. A person cannot transmit HIV through saliva or kissing.

HIV can enter the body through damaged areas in the mucous membranes lining the vagina and the rectum. The mouth also contains mucous membranes, but they do not contain cells that are vulnerable to HIV, such as those present in the vagina and rectum. Saliva contains several proteins and enzymes that serve many different functions, such as beginning the digestion process, assisting in mouth lubrication, and even fighting off germs.

Secretory leukocyte protease inhibitor SLPI is an enzyme present in saliva, mucus, and seminal fluid. Saliva contains much higher concentrations of SLPI than vaginal and rectal fluids.

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This may explain why HIV is mostly present in body fluids other than saliva. Body fluids that contain HIV can include:. HIV transmission can occur during anal or vaginal sex without the use of a condom. There have been cases of HIV transmission through oral sex but the risk of this extremely low.

HIV transmission during sex occurs when body fluids containing HIV come into direct contact with mucous membranes or damaged tissue.

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Anal sex has a higher risk of HIV transmission than vaginal sex because the tissues that line the anus are more prone to damage and bleeding. This means that people who are taking HIV medications correctly and achieve and maintain an undetectable viral load have effectively no risk of transmitting HIV through sex. This is why it is best to avoid sharing needles with anyone. A woman can pass on HIV to a fetus during pregnancy, birth, or breastfeeding.

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According to the World Health Organization WHOmother-to-child transmission rates range from 15 to 45 percent in the absence of any intervention. However, effective HIV treatment during pregnancy, labor, delivery, and breastfeeding can reduce the risk of transmission to less than 5 percent. Most kinds of physical contact, including holding hands and hugging, do not cause transmission of HIV.

HIV cannot survive long outside of the human body. Nor can someone transmit HIV through holding hands, hugging, or touching other people. There are no known cases of anyone contracting HIV from a tattoo or body piercings.

How do you get or transmit hiv?

However, it is possible to contract HIV from a reused needle or improperly sanitized equipment. Many unfounded myths surround the transmission of HIV. However, a person can only transmit HIV through certain body fluids that contain HIV, such as blood, semen, and breast milk.

HIV cannot survive outside the body and is not present in other body fluids such as saliva, tears, or sweat. This means that a person cannot contract HIV through kissing, touching, hugging, or sharing toilet seats, foods, or drinks with someone living with HIV. The primary mode of HIV transmission is through vaginal or anal sex without a condom.

However, people who are taking HIV medications correctly and achieve and maintain an undetectable viral load have effectively no risk of transmitting HIV through sex. Read the article in Spanish. Airborne diseases transmit between people when droplets containing microorganisms remain suspended in the air, for example, after a person coughs…. We will update it regularly as the pandemic continues.

A person with asthma may sometimes notice phlegm when they cough. However, yellow phlegm may be a they have an infection. Learn more. Research indicates that honey may combat infections, help wounds heal, and ease nighttime coughs. Learn more about its uses and some risks to consider. Why you cannot get HIV from kissing. Medically reviewed by Deborah Weatherspoon, Ph.

Can a person transmit HIV through kissing?

Hiv transmission topics

How HIV is transmitted. How HIV is not transmitted. International study links ultra-processed foods with IBD risk. Related Coverage. What to know about airborne diseases. Medically reviewed by Stacy Sampson, D. Yellow phlegm and asthma: What to know A person with asthma may sometimes notice phlegm when they cough.

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