Canker Sore in Throat: Types Causes Symptoms Treatment And Remedies

Canker Sore in Throat

A tiny lesion known as a canker sore appears in the mouth or throat. Canker sores are also known as mouth ulcers and aphthous ulcers.

Canker sore in the throat typically develops on the inside of the cheeks or lips, although they can also occasionally affect the tonsils and back of the throat.

The center of these uncomfortable sores is typically white, grey, or yellowish with a prominent red margin. Canker sores are not communicable, unlike cold sores, which are brought on by the herpes simplex virus.

Types of Canker sores

Canker sores come in three different forms:

  1. Major canker sores
  2. Major canker sores
  3. Herpetiform canker sores

Major canker sores

Major canker sores are 1-3 centimeters big, but minor canker sores are only a few millimeters wide. Herpetiform canker sores are a collection of small, pinhead-sized canker sores.

Major canker sores

Significant canker sores may leave scars and take up to 4 weeks to cure. They hurt more than a simple canker sore would and can make it uncomfortable to eat or drink. Major canker sores may seldom never fully heal.

Herpetiform canker sores

A scar may develop when herpetiform canker sores combine to form a bigger region. Compared to a small canker sore, this type of canker sore is far less common.


The mucous membrane, the supple barrier lining the mouth and throat, is impacted by canker sores. They resemble a tiny white or grey speck with a crimson border. They could have elevated edges and a somewhat depressed appearance. The majority are just a few millimeters wideTrusted Source.

A canker sore’s primary symptom is pain. A tingling or burning feeling in the affected area is possible. Moving the mouth to talk or chew food may ache, and eating spicy or acidic foods might make the pain worse.

A tonsil may develop a canker sore. In these circumstances, someone may only have soreness on one side of their throat, which they can mistake for tonsillitis.

Why do tonsil canker sores develop?

The precise cause of canker sores is unknown.

But certain things, such as the following, seem to cause them in certain persons or raise their risk of doing so:

  • Food allergies to dairy, coffee, chocolate, eggs, strawberries, almonds, and spicy or acidic foods
  • Mental strain
  • Minor mouth injuries, such as those caused by dental work or cheek-biting
  • Toothpastes with sodium lauryl sulphate and mouthwashes with it
  • Viral illnesses
  • Particular oral bacterium
  • The hormonal changes that occur during menstruation
  • The same bacteria that causes peptic ulcers, helicobacter pylori (H. pylori), causes stomach ulcers.
  • Nutritional deficiencies, such as a lack of vitamin B-12, iron, zinc, folate, or another nutrient
  • Canker sores can also be brought on by certain medical problems, including:
  • Celiac illness
  • Inflammatory bowel conditions (IBD), including Crohn’s disease and ulcerative colitis
  • Behcet’s illness
  • AIDS and HIV

Although anyone can have a canker sore, teens and young adults are more likely to get one. Additionally, they affect women more frequently than men. Another factor that may contribute to certain people’s recurrent canker sores is their family history.

They last how long?

Within a few days after a canker sore forms, the pain should start to subside. Within a week, a small canker sore should totally heal. dependable source

It can require up to 4 weeks.

Trusted Source for healing severe canker sores, which may leave a scar.

Some people are more prone to developing canker sores, and they might do so repeatedly. Between three and six canker sores are typical for a person to experience each year.

If a mild canker sore persists for longer than two weeks, is excruciatingly painful, or makes it impossible to eat or drink, the patient should visit a doctor. A doctor can examine the inside of the mouth and the canker sore. They might inquire about the person’s dietary habits.

Canker sore risk may occasionally be increased by dental or gum issues. A dentist can look at the mouth and make treatment recommendations.

Cold sores versus canker sores

Cold sores and canker sores are both tiny, uncomfortable lesions that give off a burning or stinging feeling.

But unlike cold sores, which typically develop on the lips and appear outside the mouth, canker sores develop inside the mouth.

Cold sores are a symptom of the herpes simplex virus. They are shared through intimate contact, such as kissing or sharing a drink, and are contagious. It’s impossible to spread canker sores.

How are canker sores on the tonsils treated?

The majority of canker sores heal on their own in approximately a week without any therapy.

However, major aphthous stomatitis, a more severe form of canker sores, can occasionally manifest in patients.

These lesions typically:

  • Preceding two or more weeks
  • Are more substantial than usual canker sores
  • Inflict scarring

Although neither type needs medical attention, over-the-counter (OTC) medications can assist with pain management while the body heals, such as:

  • Mouthwashes that contain menthol or peroxide
  • Topical mouthwashes with phenol or benzocaine
  • NSAIDs, such as ibuprofen, are non-steroidal anti-inflammatory medications.

A mouth rinse might be the simplest solution because the tonsils can be challenging to access. Avoid eating too many spicy or acidic meals while you’re healing because they can aggravate the canker sore.

Consider visiting your doctor if you have a really large canker sore or several little ones. For a steroid mouthwash to hasten recovery, they might recommend it.

Many over-the-counter mouthwashes are not meant for use on youngsters. For safe treatment alternatives, speak with your child’s doctor.

Canker sores on the tonsils can be treated at home?

There are various home remedies that may be helpful if you’re looking for quick relief from a canker sore, including:

  • Creating saltwater or baking soda rinse with one teaspoon of salt or baking soda and half a cup of warm water.
  • Using a clean cotton swab, administer milk of magnesia to the sore several times per day.
  • Using cold water to gargle can help reduce pain and inflammation.

Final Words:

It is uncommon for canker sores to develop on the tonsils, although it can happen. For a few days, you’ll probably feel some throat pain, but within a week or two, the sore should go away on its own.

Make an appointment with your doctor if you have a really large canker sore or sores that don’t seem to be healing.

Canker sores might recur frequently in people who are prone to them. Reduce the frequency by avoiding throat-irritating meals and making an effort to relax.

If a little canker sore does not go away in two weeks, it is recommended that you visit a doctor.

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