technology | May 02, 2026

Can you catch a cold by kissing?

But according to a leading professor, you can't catch a cold by kissing. "The common cold virus travels in the mucus from the respiratory system, so unless you have a bad cough, and some of the respiratory mucus has made its way into your saliva, the cold virus will not be transmitted by kissing," he said.

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Keeping this in consideration, can you get sick from kissing a sick person?

There's the chance that kissing someone who's sick will make you sick, too. Illnesses and bacteria are spread several ways — from inhaling infected droplets in the air after a sick person coughs or sneezes to touching a contaminated surface then touching your eyes or nose and, yes, kissing.

Likewise, can you catch the flu from kissing? Huisgenoot.com reported that flu cannot actually be spread through a kiss. “Unless you have a bad cough, and some of the respiratory system has made its way into the saliva, the cold virus will not be transmitted by kissing,” the professor said.

Also, how long after a cold can you kiss?

The short answer is that it's not. In general, it's best to wait for three to four days after the cold sore scab disappears before you kiss someone or engage in oral sex.

What can you catch from kissing?

Only certain sexually transmitted diseases (STDs) are transmittable through kissing. Two common ones are herpes simplex virus (HSV) and cytomegalovirus (CMV). Kissing can be one of the most exciting parts of a relationship. But you may also feel wary of kissing if you're with someone for the first time.

Related Question Answers

Is French kissing safe?

Kissing. Saliva carries minuscule traces of the virus, but this isn't considered harmful. Kissing, even “French” or open-mouth kissing, won't transmit HIV. Blood, however, does carry HIV.

How long does it take for the germs from kissing someone to leave your mouth?

when you kiss your partner passionately, not only do you exchange bacteria and mucus, you also impart some of your genetic code. No matter how fleeting the encounter, the DNA will hang around in their mouth for at least an hour.

What kissing does to a man?

In summary, women use kissing as a screening tool — to find a man with the right pheromones. Then, when a good mate is found, kissing is used to increase mutual feelings of attachment. Men, on the other hand, kiss primarily to gain sexual access. A great kiss, then, by no means results from great minds thinking alike.

How long does it take to catch a cold from someone else?

The incubation period for the common cold is about 1–3 days. During this time, the person may pass the virus on to someone else, even if they are not showing symptoms. Strictly speaking, any time a person has symptoms of a cold, they can pass it on to another person.

Can you get a cold from sitting next to someone?

When you're sitting in close proximity to others for 12 hours, you're more likely to be exposed to respiratory droplets. It's really limited to the seats around you, not the whole plane. I sat next to somebody with a cold, and I was as careful as I could be — washing my hands, using hand sanitizer.

Can you get gonorrhea from kissing someone who has it in their mouth?

It's been generally understood you could only get gonorrhea by having vaginal, anal or oral sex with someone who has gonorrhea. So to summarise: you may get gonorrhea from kissing, and then if you have oral sex you may spread the gonorrhea to the genitals or anus.

Is kissing good for your immune system?

It can boost your immune system Swapping spit can boost your immunity by exposing you to new germs that strengthen your immune system. One 2014 study found that couples that kiss frequently share the same microbiota in their saliva and on their tongues.

Can a cold be passed through sperm?

You can't catch the common cold from semen alone, but you can get some other sexually transmitted diseases. Semen on its own cannot carry something like the common cold. That doesn't mean other fluids exchanged during sexual activity can't. Semen CAN, however, transmit many other STIs.

How do I avoid getting my partner's cold?

Since sick people in your house will be hanging out all over the place, make sure they keep the following habits:
  1. Cough and sneeze into an elbow.
  2. Keep your distance.
  3. Toss tissues fast.
  4. Assign a designated blanket and pillow.
  5. Don't share toys.
  6. Get fresh air.

Does kissing on lips cause pregnancy?

There's absolutely no way to get pregnant from kissing, no matter how much tongue is involved. So go ahead and kiss to your heart's content. Click here to learn about stuff that can cause pregnancy.

How do you keep from spreading a cold?

There are a number of ways to prevent the spread of colds including:
  1. Cover your nose and mouth with a tissue when you cough or sneeze.
  2. Wash your hands often with soap and water, especially after you cough or sneeze.
  3. Avoid touching your eyes, nose or mouth.
  4. Try to avoid close contact with sick people.

Can I kiss my boyfriend if he has a cold?

"The common cold virus travels in the mucus from the respiratory system, so unless you have a bad cough, and some of the respiratory mucus has made its way into your saliva, the cold virus will not be transmitted by kissing," he said.

Can you catch a cold from sharing food?

Cold and flu viruses are passed from person to person through droplets of germ-filled mucous in two ways — direct contact and inhalation. Transmission can also occur by inhaling drops of germ-filled air after a contagious person coughs or sneezes or by sharing food utensils or cups."

Can you spread a cold by breathing?

How Does a Cold Spread? Colds are spread through the air and on surfaces. When you are sick, coughing, sneezing and even breathing sends the virus into the air around you and onto every surface (or person) you touch.

How long is a child's cold contagious?

With the viral type, children are contagious for as long as they have symptoms. But as with colds, they're most contagious during the peak of the illness, between days three and five. With bacterial pneumonia, contagiousness lasts from the first respiratory symptom until 48 hours after starting antibiotics.

Is French Kiss harmful?

Disease risks Occasionally syphilis can be passed through prolonged French kissing, but this usually requires contact with an active lesion. French kissing is an unlikely mode of transmission of infection by Hepatitis B or gonorrhea.

How do you know when your cold is contagious?

Sneezing, fever, and a hacking cough are all signs that you could be contagious. Even if you feel all right, your symptoms — or lack thereof — could be deceiving.

Is it possible to be around the flu and not get it?

People are much more likely to get infected with the flu from being around other sick people than they are from touching virus-laden surfaces. The virus can be transmitted through the air to anyone within six feet, so the easiest way to avoid getting sick is to keep your distance.

Can you hug someone with the flu?

The most likely way to get sick is to touch your nose after you touch something with the flu germs on it. Avoid hugging or kissing people who are sick with the flu. Avoid shaking their hands.