Having a sore throat is a common occurrence, and they come with other signs too. There is a possibility of having a swollen throat without any complicated symptoms with it; this may be because of a canker sore on the tonsil.

Minor canker sores are common and found in areas inside the oral cavity such as the lips, tongue, palate, and tonsils. They look like white center-filled round sores. Luckily, there is no necessity to visit a dentist for getting rid of a tonsil canker sore. Although you might need assistance for pain and discomfort brought along with it.

This blog is a suitable piece if you search for answers regarding canker sores and their growth on the tonsil. Here we have detailed the causes and ways to deal with canker sores using home remedies without assistance.

Canker Sore on Tonsil – Reasons

Unfortunately, we are not sure about the exact reason for canker sore development on the tonsils, but there are certain conditions linked to it; such as mouth injuries like accidental lip bite or chewing the cheek, anxiety, hormonal changes, and vitamin B-12 deficiency, all contribute towards the growth.

Moreover, few foods items or drinks that are consumed on a daily basis cause canker sores to grow on the tonsil. Under this category, we put foods in high acidic quantities or allergen-containing foods. When you take in these trigger-containing items, they reach the tonsils and form canker sores.

You cannot easily differentiate between a sore and strep throat, with the tonsil having a canker sore. One way you can see is by checking the rear side of your mouth; stand in front of the mirror and observe your tonsils. If you spot large white circles with red corners on either tonsil, it’s a canker sore. While, if only big white lumps and inflammation on both sides of the tonsils are there, then it’s a disease.

Treatment Of Canker Sore on Tonsil?

The discomfort because of a canker sore on your tonsil is treatable via home remedies such as rinsing the oral cavity with saltwater solution thrice a day. This solution works as an antibacterial and anti-inflammatory too.

Also, baking soda with water is a good solution for sores and pain. With these remedies, use pain medications available OTC like ibuprofen to alleviate pain. Do not eat acidic foods and try consuming soft items such as yogurt or smoothies; it’s a plus if they are cold for pain relief.

How Long Does A Canker Sore Stay on a Tonsil?

A minor sore on your tonsil last for around 2 to 5 days, and after that, it will start reducing naturally. But, this process will take at least 8 to 10 days. As for larger ones, expect it to stay at least 4 weeks before it starts healing.


Usually, the canker sores dissolve and go away themselves, but their recovery span depends on the lesion level. If you feel that it is not getting better even after 10 to 15 days, talk to your dentist and immediately examine it. For further queries, contact Vesna Arezina DDS at 281 469 7469.

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