Question 1

can a canker sore be black? why?

Accepted Answer

Possible: If there is trauma to the sore there can be some bleeding into the sore.  This will give a dark appearance.   Have your dentist take a look as sometimes it might be something else.

Question 2

what is the black substance dentists place on canker sore?

Accepted Answer

Debacterol: There are different products that can be used to help with the discomfort of canker sores.  Everything from a topical anesthetic, laser energy, silver nitrate, sulfuric acid etc...  One common product that is black is called debacterol.  Hope this helps, .

Question 3

i've been treating my canker sore with salt, alum and orajel. it has turned black. is that normal? why would that happen?

Accepted Answer

Healing canker sore: Good day;
  Some OTC canker sore medications use a mild cautery or caustics to deaden nerve endings and lessen symptoms. After a few days the dead tissue should flake off. Keep the area vaselined  until this happens.

Question 4

i have a large canker sore that is very painful and i also noticed that a tooth nearby has all of a sudden developed a black line at it's base. ideas?

Accepted Answer

Two problems: 1. Canker sores are the most common oral lesions. The cause is unknown. These lesions are bumpy and painful. Topical medications OTC applied directly, mouthwashes, and oral medications can relieve pain or inflammation. 
2. Black line stains are calculus, decay or a simple stain. Re.: visit your dentist to solve this small problem.

Question 5

hi, yesterday i had a black dot near the entrance to my vagina and now there's a swollen lump and a crater looking ulcer. is this a canker sore?

Accepted Answer

No: Canker sores are sores in the mouth, also known as apthous ulcers.  A sore and/or ulcer by your vagina is potentially one of many things, commonly an std - sexually transmitted disease.  I would recommend you see your physician promptly for treatment, and avoid any sexual contact with anyone until you do so and are cleared for sexual activity by your doctor.

Question 6

what a canker sore?

Accepted Answer

Be sure of diagnosis: Get examined please. Canker sores are common aphthous ulcers of mouth that occur situationally, often in response to stressors, are bacterial or viral, & can be treated topically with many otc products that reduce local discomfort & potentially speed healing. However, oral/dental problems & a number of systemic diseases cause canker sore-like lesions--crohn's, behcet's, std (sexually transmitted).

Question 7

how is canker sore treated?

Accepted Answer

Canker Sores: Pain from a canker sore generally lessens in a few days and the sores usually heal without treatment in about a week or two.
If sores are large, painful, or persistent, your dentist may prescribe an antimicrobial mouth rinse, a corticosteroid ointment, or a prescription or nonprescription solution to reduce the pain and irritation.

Question 8

huge canker sore, what to do!?

Accepted Answer

Canker sore: There are many otc medications that you can apply. Ask your local pharmacist what he\she recommends. If that is not enough to keep you comfortable, see you local dentist who can prescribe and\or treat this more effectively. Most patients just wait it out. Avoid spicy and acidic foods meanwhile.

Question 9

why does alum help canker sore?

Accepted Answer

It can: Alum placed on canker sore can make them less painful and heal a little faster.  Some people are sensitive to the sodium laurryl sulfate or sls in toothpaste and have fewer outbreaks once they change toothpastes.

Question 10

quick ways to heal a canker sore?

Accepted Answer

Prevention: Canker sore or more specifically aphthous ulcer can be prevented by avoiding a common foam detergent found in most toothpastes called sodium laurel sulfate.  Switching to Biotene or other toothpaste not containing this ingredient can be the cure in preventing this painful condition.

What We Treat

Telehealth

About Us

HealthTap Online Primary Care Doctors Accepting New Patients

Doctor answers about:

Black canker sore

A member asked:

Can a canker sore be black? why?

A member asked:

What is the black substance dentists place on canker sore?

A member asked:

I've been treating my canker sore with salt, alum and orajel. it has turned black. is that normal? why would that happen?

A member asked:

I have a large canker sore that is very painful and i also noticed that a tooth nearby has all of a sudden developed a black line at it's base. ideas?

A member asked:

Hi, yesterday i had a black dot near the entrance to my vagina and now there's a swollen lump and a crater looking ulcer. is this a canker sore?

A member asked:

What a canker sore?

A member asked:

How is canker sore treated?

A member asked:

Huge canker sore, what to do!?

A member asked:

Why does alum help canker sore?

A member asked:

Quick ways to heal a canker sore?

HealthTap Online Primary Care Doctors Accepting New Patients

Telemedicine

Primary Care

Manage Your Conditions

Women's Health

Children's Health

Men's Health

Senior Health

Wellness, Prevention & Lifestyle

Sexual Health

Mental & Behavioral Health

Travel Medicine

Urgent Care

Didn't find what you're looking for?

More of what we treat

Allergies

Antibiotics

Asthma

High Blood Pressure

Prescriptions

Type 2 Diabetes

Patient Care

Partner With Us

HealthTap

Join Us

Get the HealthTap app

Questions?