Although cold sores and canker sores have similarities, they are entirely different conditions. Canker sores are not contagious, but cold sores are. Canker sores show up inside the mouth, while cold sores are often seen on the lips. Read more: Are Cold Sores and Canker Sores the Same Thing? Article
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How to get rid of cold sores? First learn about the herpes virus and how it causes cold sores. When are cold sores contagious?...
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Cold sores and canker sores aren't the same. See a picture of Cold Sore and Canker Sore and learn more about the health topic.
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Related Disease Conditions
Canker sores are a common complaint, and are small ulcers on the inside of the mouth. Canker sores aren't contagious (as opposed to cold sores), and typically last for 10-14 days usually healing without scarring. A variety of things cause canker sores, for example, medications (aspirin, beta-blockers, NSAIDs, high blood pressure medication, and antibiotics); injury to the mouth from dental work, braces, or sports accidents; acidic foods; allergies; and diseases or conditions like celiac disease, Crohn's disease, and lupus. Canker sores can be cure with home remedies, and prescription and OTC topical and oral medication.
Cold Sores (Nongenital Herpes Simplex Infections)
Herpes simplex infections are common and when they appear around the mouth and lips, people often refer to them as "cold sores" and "fever blisters." Canker sores are different than cold sores. Air droplets can spread the virus, as can direct contact with the fluid from the blisters. Cold sore treatment include over-the-counter medication, as well as prescription medications.
Are Canker Sores Contagious?
Canker sores or aphthous ulcers are one of the most common causes of painful sores in the mouth. The actual cause of canker sores is unknown; however, some triggers that may precipitate outbreaks in some people include stress, anxiety, oral trauma, hormonal changes, drugs, food allergies, toothpastes, and vitamin deficiencies.
Are Cold Sores (Fever Blisters) Contagious?
About 20% of cases of cold sores are caused by herpes simplex virus type 2 (HSV-2), and approximately 80% of cold sores are caused by herpes simplex virus type 1 (HSV-1). Cold sores are transmitted by sharing utensils and razors, kissing, and oral sex. There is no cure for cold sores.
What Can Trigger a Cold Sore?
After you get infected with HSV, it lies inactively in the nerve cells inside your skin and may appear as another cold sore at the same place as before.
Do Cold Sores Mean You Have an STD?
Having a cold sore does not necessarily mean you have an STD. Most of the cold sores are caused by herpes simplex virus type 1 (HSV-1), which usually affects the lips and is not generally transmitted by sexual contact.