How csn you prevent 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).

Antiviral medication: Difficult to completely prevent and may need to continually take a antiviral med that can suppress the virus that causes the sores. If concerned see a provider for care.

Canker sores: Canker sores can be caused for a number of reasons. It is believed to be an autoimmune reaction. There a different agents that may set them off; the most common being trama, even getting a filling placed. I have patients that get these ulcers when they drink red wine, eat peanuts, too much tomatoes, or spicy foods. Find your trigger. There is no cure for these ulcers.

Canker sores: Canker sores can be triggered by trauma, stress, vitamin deficiencies, sensitivity to SLS in toothpaste. Many people can decrease outbreaks by changing to SLS free toothpaste. If you have frequent canker sores see your dentist