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Doctor insights on: Alum Canker Sore

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Why does alum help canker sore?

Why does alum help canker sore?

Alum for canker sore: The best home remedy for canker sore is to put a chip of alum on top of the sore. Alum removes the moisture from the ulcer and promotes the healing. ...Read more

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Dr. Daniel Rubenstein
616 doctors shared insights

Canker Sores (Definition)

Almost everyone is infected with this herpes virus. The first episode is usualy in early childhood. It is dramaticaly different from all the later events. The virus is always present. When your immune system is weakened (stress, disease, almost anything) the viri end up stronger than your immune system. They do their job, and ...Read more


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I've been treating my canker sore with salt, alum and orajel. It has turned black. Is that normal? Why would that happen?

I've been treating my canker sore with salt, alum and orajel. It has turned black. Is that normal? Why would that happen?

Tissue damage: Canker sores self-heal in 10 days to 2 weeks. Your well meaning but over-zealous attempts at self-treatment did damage to your tissues and may leave a scar. Please see your Dentist for care rather than a DIY approach. ...Read more

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What a canker sore?

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). ...Read more

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What causes a canker sore?

What causes a canker sore?

It is unknown: ...but some studies had shown it is triggered by changes in temperature, hormones, trauma, allergy,...etc. ...Read more

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How is canker sore treated?

Licorice: Licorice has been used since ancient times for canker sores (also known as apthous ulcers) in the mouth. Also, small studies show it can be effective when used as a mouthwash -- 50-75% improvement in 1 day. http://tinyurl.com/kr9aeau sucking on dgl lozenges may work also. Other studies showed positive results with a dissolving licorice disk placed on the sore. http://tinyurl.com/mdvde3o. ...Read more

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Huge canker sore, what to do!?

Laser: Find a dentist with alaser wo knows how too treat these. Relief can come in minutes. ...Read more

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Can a canker sore be black? Why?

Can a canker sore be black? Why?

Yes: Cancer sores or aphthous stomatitis is in a lot of cases a recurrent problem, most of people who develop it have genetic predisposition to it. The causes are not well known. ...Read more

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Quick ways to heal a canker sore?

Home remedy: Nothing cures canker sores or prevents recurrence. However, the best home remedy for canker sore is to put a chip of alum on top of the sore. Alum removes the moisture from the ulcer and promotes the healing. ...Read more

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How can you remove a canker sore?

How can you remove a canker sore?

Licorice: Licorice has been used since ancient times to heal (not "remove") canker sores in the mouth. Also, small studies show it can be effective when used as a mouthwash -- 50-75% improvement in 1 day. http://tinyurl.com/kr9aeau sucking on dgl lozenges may work also. Other studies showed positive results with a dissolving licorice disk placed on the sore. http://tinyurl.com/mdvde3o. ...Read more

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Dr. Sandra Eleczko
506 doctors shared insights

Aphthous Stomatitis (Definition)

Are small, benign but painful ulcers of the mouth and throat. They generally resolve on their own in 10-14 days. There are various over the counter remedies that ...Read more