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what does a canker sore look like

A 33-year-old member asked:
Dr. Manami Yamaguchi
25 years experience Dentistry
Ulcer: I think "ulcer" is a good word to describe a typical canker sore. In most cases, cancer sores are small--about a size of pencil eraser or smaller. T ... Read More
Dr. Paul Grin
Dr. Paul Grin answered
36 years experience Pain Management
Aphthous ulcers: They are usually round ulcers with a grayish-white colored surface surrounded by a red inflamed circle.

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A 16-year-old male asked:
Dr. Mark Loury
39 years experience ENT and Head and Neck Surgery
Depends on cause: A herpes lesion starts out as a painful blister then turns into a shallow white to yellow ulcer if it is in the mouth or scab if it is on the lip. An ... Read More
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Dr. Matthew Hyde
41 years experience Dentistry
White ulceration: Whitish or pinkish ulceration surrounded by a red halo of tissue.
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A 51-year-old female asked:
Dr. John Berryman
54 years experience Obstetrics and Gynecology
"canker sore": A "tiny canker sore" is probably herpes type I , not "HPV" (human papilloma virus). HPV is generally genital in location.
A 33-year-old member asked:
Dr. Gary Alder
47 years experience Dentistry
Try this: There are several over the counter medications developed to control canker sores. For those who prefer not to medicate you may try hene laser. The spo ... Read More
A 22-year-old male asked:
Dr. Antoanella Calame
19 years experience Dermatology
See a doctor: If it has been going on for more than 2 weeks and hasn't changed in appearance or it is still painful then i recommend seeing a doctor so that they ca ... Read More
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A 41-year-old member asked:
Dr. Arnold Malerman
53 years experience Orthodontics
Sounds like it: But it could be from other causes. Why don't you take her to her dentist just to be sure.
A member asked:
Dr. Arnold Malerman
53 years experience Orthodontics
Lips: Bruised lips may discolor, looking like a black and blue mark, or it can look like a fever blister. Call either your Dentist or Physician to examine ... Read More
A 19-year-old male asked:
Dr. John Michel
46 years experience Family Medicine
Mucocoele: This is not uncommon and sometimes occurs post trauma such as biting your inner lip or heat trauma. Usually lasts a short time unless one continues to ... Read More
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A 37-year-old member asked:
Dr. Gary Sandler
54 years experience Dentistry
Perhaps: To a patient but not to a trained professional. If one has a strep throat it's a good idea to have antibiotics to prevent more serious complications. ... Read More
A 48-year-old member asked:
Dr. Brett Kalmowitz
22 years experience Gastroenterology
Acid/infxn/meds: These cause the vast majority of ulcers and their appearance varies. Check out some pics on google images. I guess a canker sore is a good way of imag ... Read More

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