Symptoms, remedies, treatments and care for Canker Sores

Canker Sores

Canker sore, a.k.a. aphthous ulcer or mouth ulcer, is a small, shallow ulcer that appears in the mouth. It can be on your tongue or on the inside of your lip or cheek and often makes eating and talking uncomfortable. Canker sore is not contagious and usually heal within one to three weeks without treatment.

The actual cause of canker sores is unclear. Some of the things that possibly trigger the outbreak include minor injury to the mouth (e.g., dental work, cheek bite), vitamin deficiency in diet, food allergy, bacteria, stress or hormonal shifts during menstruation.


Apply wet tea bag
3.2 (98)
Effectiveness: 3.2  Popularity: 98  
Apply aloe vera
3.6 (89)
Effectiveness: 3.6  Popularity: 89  
Apply hydrogen peroxide
3.3 (63)
Effectiveness: 3.3  Popularity: 63  
Apply baking soda
3.2 (62)
Effectiveness: 3.2  Popularity: 62  
Apply onion
2.9 (56)
Effectiveness: 2.9  Popularity: 56  
Eat aloe vera
2.9 (45)
Effectiveness: 2.9  Popularity: 45  
Apply honey and turmeric
4.1 (29)
Effectiveness: 4.1  Popularity: 29  
Swish with tea tree oil
2.9 (9)
Effectiveness: 2.9  Popularity: 9  
Rinse with sage solution
1.6 (5)
Effectiveness: 1.6  Popularity: 5  
Rinse with coriander juice
Effectiveness: N/A  Popularity: 0  
Rinse with licorice root solution
Effectiveness: N/A  Popularity: 0  

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