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Should you take antibiotic for canker sore

A 41-year-old member asked:
Dr. Theodore Davantzis
39 years experience Dentistry
No: Cancer sores are viral in nature, and antibiotics to not work to kill viral infections. Do not bother to self medicate.
Dr. Daniel Rubenstein
50 years experience Dentistry
Canker sores: They are not infections so antibiotics will not help. They appear to be caused by stress, injury, or in some cases as a reaction to certain foods such ... Read More
Dr. Joseph Wineman
39 years experience Dentistry
Canker sores: Canker sores are caused by viruses, antibiotics won't help. Antiviral drugs may work better at the first sign of the sore.
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A 19-year-old female asked:
Dr. Silviu Pasniciuc
26 years experience Internal Medicine
Highly unlikely: It still can be a viral infection. Take your meds as prescribed, stay well hydrated.
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A 38-year-old member asked:
Dr. Jonathan Richards
17 years experience Endodontics
Yes, but...: Not all cankers are viral, so an antiviral may not make any difference. Also, by the time a sore is noticed, it is often time past the window of effe ... Read More
Dr. Steven Koos
20 years experience Oral and Maxillofacial Surgery
Acyclovir: Is for treating herpes simplex, aka cold sore or fever blister. It will not help with aphthous ulcers aka canker sores.
Dr. J. Lawrence Dohan
56 years experience Dermatology
No benefit: Cankers [APHTHAE] are NOT herpes. Acyclovir does absolutely nothing for them. Usually no treatment is needed. Sometimes they are severe and should be ... Read More
A 34-year-old member asked:
Dr. Michael Wexler
22 years experience Cosmetic Dentistry
Time & Ointments: Canker sores are caused for unkown reasons and cold sores are caused from a viral infection. Both can look the same, but size and location can distin ... Read More
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A 40-year-old member asked:
Dr. Theodore Ritota
8 years experience Dentistry
10-14 days: That's the usual course of eruptions.
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A 42-year-old member asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
Less than a week: They may disappear from 3 to 7 days in most cases.
A 23-year-old female asked:
Dr. Stephen Calendine
33 years experience Dentistry
Yes: Canker sores are open ulcerations and the total healing takes 3-4 weeks with larger ones.
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A 38-year-old member asked:
Dr. Michael Wexler
22 years experience Cosmetic Dentistry
Zilactin B: You can try zilactin b which can be found at a drugstore. This acts as a liquid bandade and will make the area you place it turn white. It always se ... Read More
A 18-year-old male asked:
Dr. Robert Kwok
32 years experience Pediatrics
Can call Dr on video: Throat pain can be from a strep throat infection (antibiotics needed), a cold or influenza, EB virus, or from some other cause such as allergies, irri ... Read More

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