Do canker sores turn into cold sores?

No. Cold sores are caused by a virus, and canker sores are auto-immune (some suspect a bacterial or viral link, but that's not proven). In either case, one type of sore does not change into the other.
No. Canker sores are located inside your mouth, and cold sores occur on the outside of lips.

Related Questions

Difference between canker sores and cold sores?

Vrus vs. environment. A canker sore or aphthous ulcer usually is caused by stress to movable tissue areas and has a white center surrounded by a reddish area.. The stress could be from food allergy or caused by trauma. A cold sore is caused by the herpes simplex virus and occurs around the lips and could infect the throat and can affect gum tissue as well. Read more...
Location. People often use these terms interchangeably, though there are differences. Sores on the cheeks and under the tongue are usually canker sores. These are not infectious. Cold sores are usually on lips or on the roof of the mouth. These are contagious and are caused by a virus. They are both painful and heal with time. Medications and lasers can be used to shorten the healing time. Read more...

How are cold sores different from canker sores?

Cold sore is herpes. Cold sores are on the lips or on the face near the lips. They are caused by recurrences of herpes virus, which lives in the nerves after an initial infection, and then travel down the nerves to cause the cold sores at the skin surface from time to time. Canker sores are inside the mouth, and are not from herpes, but are due to the immune system reacting to something on the inside of the mouth. Read more...
Many differences. Canker sores and cold sores are common disorders of the mouth, irritating millions of americans. Although many people use the terms canker sore and cold sore synonymously, they are different conditions. Cold sores are caused by the herpes virus and are contagious while canker sores cause is unclear and is not considered contagious. Read more...
HERPES! Great question! cold sores are herpes simplex 1viral infections. Cancer sores are also probably viral, but no virus has been ever identified. I would avoid oral contact for 2 weeks. Read more...

Can anbesol cream (for canker sores) work on cold sores?

Be Careful. It is important to know that "cold sores" are caused by a virus called the Herpes virus. They are easily spread from one person to another. A canker sore, or Aphtous ulcer, is probably caused by an autoimmune reaction (the body fighting itself) Medicine for one of these is not intended for the other type of mouth sore. The anbesol cream is probably mostly for numbing the sore. Read more...

How are cold sores (herpes simplex) and canker sores different?

Canker vs Cold Sore. Here is a great comprehensive answer to your question: http://www.Uhs.Umich.Edu/coldcankersores. Read more...
Cold vs Canker sores. Canker sores (aphthous ulcers) are painful sores inside the mouth. No one knows what causes canker sores. Herpes simplex virus (HSV-1) typically causes cold sores. Cold sore blisters can occur in many different parts of the body but are most common on or around the lips and cheeks. Read more...

Can canker sores - not cold sores - be popped? Can they appear on lip?

Not on lips. A canker sore is painful sore or sores inside your mouth -- on the tongue, soft palate (the back portion of the roof of your mouth), or inside your cheeks and not on the lips. The cause of canker sores is unknown. If it is on your lips it may be a cold sore so i would not recommend popping it. Read more...

Canker* sores, not cold sores (aka feverblisters)related to herpes simplex type 1, what to do?

Herpetic lesions. Canker sores of herpetic origin can be treated palliatively to give relief from the soreness. Abreva is an over-the counter topical gel/medication that you can purchase at your pharmacy that will reduce the length of time that the lesion is active. Your dentist or physician can also prescribe an anti-viral drug (ie. Acyclovir) that can also reduce the length of time and/or onset of appearance. Read more...

Can cold sores appear on the inside of the inner lip? Or are they canker sores?

See below. Cold sores occur primarily on the outside of the mouth (but theoretically, they can occur inside), canker sores occur primarily on the inside and can be confused with cold sores. Read more...
Possible\unlikely. It is very unusual but possible for cold sores caused by a virus to appear on the inside of the lip, and when they do, it is most common near the insider border of the lip. They appear more often in clusters and as a blister, unlike canker sores (aphthous ulcers) which occur only inside the mouth and usually as a single white ulcer surrounded by a red inflamed border. Read more...
Canker sores. is very common after tooth extraction. Canker sores are the most common oral lesions. Individual ulcers typically last 1-2 weeks. The condition is idiopathic (cause is not known) recurrent aphthous ulcers is usually self-limiting. If concerned see your dentist after 10 days. Read more...

I keep experiencing recurrent canker sores on my tounge, It only started since I stopped getting cold sores. I often get alot of mucus in my stool?

See your dentist. one of the common cause can be sharp edges of teeth worn out due to grinding. Good luck. Read more...
Canker sores. is the most common oral lesions. Individual ulcers typically last 1-2 weeks. The Waterlase offers immediate relief from the pain of these sores. See a dentist for evaluation and treatment if needed. Read more...