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Sores in mouth are caused by many different factors. Those caused by physical injuries such as canker sores, are not contagious. However, mouth sores caused by virus or bacteria could be contagious through kissing.

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What are the sores on lips and mouth?

Sores on the lips and mouth are most commonly caused by the herpes simplex virus (cold sores) or canker sores. Cold sores are contagious and typically appear as small fluid-filled blisters around the lips, while canker sores are not contagious and appear as painful ulcers inside the mouth. Both usually heal on their own within a week or two.


Can canker sores be caught from someone else?

No, canker sores are abrasions inside your mouth and can be caused by biting your mouth, stress, drinking coffee etc. Cold sores (oral herpes) can be spread by someone else.


What are cancor sores?

Canker sores are small, painful ulcers that can form in the mouth. They are usually white or yellow with a red border and can make eating and talking uncomfortable. Canker sores are not contagious and typically heal on their own within a week or two.


Blisters on the side of the mouth in the middle of the mouth?

If they on the outside of your mouth (ie. around your lip) they might be cold sores (oral herpes). If they are inside your mouth and hurt they might be canker sores and will go away by themselves within 4-14 days.


What are the different types of mouth sores that can occur?

There are several types of mouth sores that can occur, including canker sores, cold sores, and oral thrush. Canker sores are small ulcers that appear inside the mouth, cold sores are caused by the herpes virus and appear on the lips, and oral thrush is a fungal infection that can develop on the tongue and inside the cheeks.

Related Questions

Kissing and cold sores?

Kissing can pass cold sores which are contagious. But cold sores are more likely to be passed when the person you're kissing has any signs of a cold sore. So if you or your partner has a cold sore then avoid kissing on the mouth until the cold sore is completely gone.


What are the sores on lips and mouth?

Sores on the lips and mouth are most commonly caused by the herpes simplex virus (cold sores) or canker sores. Cold sores are contagious and typically appear as small fluid-filled blisters around the lips, while canker sores are not contagious and appear as painful ulcers inside the mouth. Both usually heal on their own within a week or two.


What is the difference between a cold sore fever blister and herpes?

Canker sores an cold sores are not the same thing. Oral herpes is caused by a contagious virus. Cold sores can cause a lot of discomfort or pain and they affect the out side of the mouth. Canker sores are caused by bacteria and as far as I know they are not contagious. Canker sores are raise white slightly itchy masses that occuron the inside of the mouth.


Can canker sores be caught from someone else?

No, canker sores are abrasions inside your mouth and can be caused by biting your mouth, stress, drinking coffee etc. Cold sores (oral herpes) can be spread by someone else.


What are mouth ulcers and are they dangerous?

However, canker sores or mouth ulcers are not contagious nor are they dangerous. It is safe to share the same food and even to kiss. However, canker sores or mouth ulcers are not contagious nor are they dangerous. It is safe to share the same food and even to kiss?


My boyfriend is bi and i made out with him and a week and a half i have toons of cankor sours in my mouth am i ok or is it from eating wrong foods he went to the doctor for test and he is ok?

It may have been from kissing him, if he had any Canker Sores at that time, because Canker Sores are very contagious, it has nothing to do with the fact that he's Bi.


Can making out with a person who gets canker sores give you canker sores?

No. I have canker sores and have never kowingly given some one canker sores. Canker sores are not caused by the same thing that causes cold sores and as far as I know they are not contagious. But to be on the safe side avoid kissing this person until their canker sores go away.


What are cancor sores?

Canker sores are small, painful ulcers that can form in the mouth. They are usually white or yellow with a red border and can make eating and talking uncomfortable. Canker sores are not contagious and typically heal on their own within a week or two.


How can you catch Impetigo?

Impetigo causes weeping sores, its the 'weeping' that is contagious. Be it via skin to skin contact, a towel or virtually anything. When the sores are fully scabbed they are not contagious, its only the liquid inside the sores that is contagious.


How contagious are canker sores?

Canker sores are not infectious.


If your boyfriend has cold sores on his mouth and he sucks your nipples can you get cold sores there?

Yes. Ouch! Listen if he has visible cold sores , don't let him anywhere near you because herpes zoster is a very contagious disease. Make sure his sores are healed before kissing, having any sexual contact, etc. Once you have the virus in your system, it is ALWAYS there. If he needs disparately to suck on nipples, buy him a baby bottle or pacifier.


Is herpes simplex type 1 contagious?

Yes. It is the virus that causes cold sores on the lips or mouth and genital herpes.