Januari 31, 2017
[music]hello, i’m dr. neal schultz [pause] and welcome to dermtv. when we get sores inside our mouth or on ourlips, usually they’re very painful. and almost all of them are causedby one of two things—either a herpes virus outbreak or canker sores, andi find that not only do most people get them confused, but can you believethis, most doctors get them confused also. so let’s talk about it. canker sores are not contagious. they’revery painful, especially when
you’re eating and food touches the areawhere you have the canker sore. canker sores occur almost exclusively insideyou mouth, not outside, not on your outer lip, and not on your chin. andwhen they occur inside your mouth, which can be on this part of the skinor seen inside the cheeks, you see a gray or tan, round area with a brightred rim right around it. they go away in a couple of days and they’reeasily treated with topical antibiotics. usually, we take tetracycline,open a capsule, put it in a little glass of water, and take just a pieceof cotton, dip it in that water, and hold it against the canker sorefor a few minutes and, after 2
of 3 days, it will go away. this is very,very different from herpes outbreaks. herpes outbreaks usually are notthat painful although right before you get them, you feel a tingling ora burning in the skin where you’re going to get the outbreak. they arevery contagious. they usually don’t occur inside your mouth, they occuroutside your mouth. they can be right on the lip, on the edge of the lip,or around the mouth, or really any place on your face. and when they happen,usually they occur with blisters, and those blisters are often clusteredtogether and with a red ear around it but not a red, sharp rim likeyou see with a canker sore.
over a period of a couple of days, they dryand crust and scab. they’re very easy to treat. they’re treated withoral medication, oral medication for only a day may become not contagious bythe second or third day. if you’re getting sore inside your mouth oraround your mouth or on your lips, and you’re not sure what it is and you don’tknow how to treat it, see your dermatologist who can give you some medicineto make sure that the sores go away faster and you become comfortable muchsooner.
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