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Doctor insights on: Acyclovir Canker Sores

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Can i take acyclovir for a canker sore?

Can i take acyclovir for a canker sore?

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 effectiveness. ...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 got canker sore and use same spoon w/ people who has herpes. She didn't have lesions right now. I start acyclovir 20 min later. Will I get infected?

I got canker sore and use same spoon w/ people who has herpes. She didn't have lesions right now. I start acyclovir 20 min later. Will I get infected?

Relax: Herpes on the face, hsv1, is very common but most people have no symptoms. Most likely you already carry hsv1 and cannot get it again. People who have the virus will sometimes have it on the lip, but most days there is no virus there in the absence of a sore. So your risk is small. ...Read more

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Are canker sores permanent?

Are canker sores permanent?

No, canker sores: Are not permanent. If you have a seemingly permanent lesion than it needs to be checked by your dentist. It may not be a canker sore. ...Read more

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What is best for canker sores?

What is best for canker sores?

Best: TIME: Though i routinely prescribe nsaids to control pain from canker sores during the 3-5 days that they are uncomfortable. In rare cases, called "major aphthae" i will prescribe a short course of oral corticosteroid--especially if the lesion/s interfere with swallowing or speech. If on other areas, can be cauterized with a laser or chemicals. If Ibuprofen doesn't cut it, call your dentist for help. ...Read more

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What's causing my canker sores?

Canker sores: Canker sores are the most common recurrent oral lesions. Individual ulcers typically last 1-2 weeks. The condition is idiopathic (cause is not known) recurrent aphthous ulcers is usually self-limiting and no treatment is required. If concerned, see your dentist after 10 days. ...Read more

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How to know it is canker sores?

How to know it is canker sores?

Canker sore: A canker sore is usually a bright red lesion in the mouth with an interior that may be yellow or white. They tend to be painful. Your dentist can diagnose if you have a canker sore. ...Read more

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What makes canker sores better?

What makes canker sores better?

Prevent canker sores: The specific cause of canker sores(or apthous ulcers) is till unknown. Usually they occur when the immune system is weakened. So the best way to heal them is to avoid getting them. Supplement with vitamin c(500 mg four times daily) and vitamin e (400 iu twice a day) and a multivitamin with magnesium and zinc(taken in the afternoon or evening for best absorption). Avoid stress. Eat breakfast. ...Read more

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What works best for canker sores?

What works best for canker sores?

Canker sores: are the most common oral lesions. Individual ulcers typically last 1-2 weeks. Complications of canker sores can include fever, swollen glands, and feeling run-down. If concerned, see your doctor for evaluation. ...Read more

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How come i get canker sores so much?

How come i get canker sores so much?

Hard to say: It is hard to say why you get a lot of canker sores. Some people are sensitive to sls in toothpaste or to cinnamon so try eliminating these. Try to reduce your stress. If you get a lot or if they are large you should see your doctor and have your immune system evaluated. ...Read more

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Acyclovir (Definition)

Acyclovir is an antiviral drug. It slows the growth and spread of the herpes virus so that the body can fight off the infection. Acyclovir will not cure herpes, but it can lessen the ...Read more


Dr. Peter Ihle
224 doctors shared insights

Zovirax (Definition)

Zovirax is a herpes viruses agent which is a kind of anti-viral ...Read more