A canker sore in the throat can be extremely painful and it can make swallowing difficult. In such cases, you should visit a dentist for a diagnosis and treatment.
A canker sore on the throat can be very painful, so it is important to seek treatment as soon as possible. The pain may be reduced by rinsing with salt water or a solution of baking soda and water.
Some people also find relief from a mouth spray containing benzocaine or phenol. It is also helpful to avoid eating hot or spicy foods.
Over-the-counter medications can help to relieve the pain, but they can only work for so long. You should also see a dentist if the sore is returning frequently or causes a fever.
Symptoms of Canker Sore in Throat
Although canker sores can be painful, they are usually not serious and will heal on their own. They may be triggered by stress or injury. A poor diet that is deficient in vitamins can also trigger them.
Using an over-the-counter numbing agent called aphthasol can help the sore heal faster and reduce pain. Other preventive measures include avoiding spicy or hot foods and maintaining good oral hygiene.
A canker sore may start with a painful sore in the throat. The pain usually goes away in about seven to ten days. Full healing can take up to three weeks. Fortunately, canker sores are not contagious. They usually go away on their own, but it’s still important to stay away from hot or spicy foods.
Although the exact cause of canker sores is unknown, the condition is often caused by a faulty immune system or nutritional deficiencies. The immune system mistakenly attacks mucous cells in the throat, resulting in a sore.
Other causes include an injury to the mouth tissues, stress, and hormonal changes. In some cases, the sore is caused by a reaction to food or toothpaste.
Canker Sore in Throat: Causes

Canker sores can be caused by many different factors, including the following:
- Stress and hormonal changes
- Mouth or throat injuries
- Iron or vitamin B deficiencies
- Consuming spicy or acidic foods
A canker sore in the throat is a common ailment that is caused by irritation or injury to the throat. Certain factors may exacerbate the sore, including smoking, menstruation, and a poor diet lacking in vitamins. You can also treat the sore with topical products or antiviral medications.
Although the cause of a canker sore is unknown, it is likely related to genetics or a faulty immune system. In some cases, white blood cells mistakenly attack the mucosal cells of the throat and mouth, resulting in the sore.
Food allergies and excessive stress are also known triggers. In addition, many people develop a canker sore because of something they ate.
Canker sores may be uncomfortable, and the symptoms can last for several days. The pain can be severe and prevent people from eating. Thankfully, most canker sores are not contagious. In many cases, they will go away on their own in seven to 10 days.
Treatment for Canker sores
Those who suffer from recurring canker sores may benefit from making the following lifestyle changes:
- Avoid spicy or acidic foods
- Reducing stress
- Taking an iron or B vitamin supplement
- Using ibuprofen or Advil, or mouthwashes without alcohol
The best treatment for a canker sore in throat relies on relieving the sore’s discomfort. It may include using topical products, like ibuprofen or Advil, or mouthwashes without alcohol. You may also want to avoid hot or spicy foods, and keep your oral hygiene as good as possible.
Fortunately, there are many methods to treat a canker sore. Besides simple home remedies, you can also consult your primary care physician or dermatologist for more advanced treatments.
For instance, you can apply a saltwater solution directly to the sore to relieve the discomfort and speed up the healing process. This is easy and quick and will help you avoid the risk of infection. You can also keep a food diary to see what foods cause your sores.
In some cases, a doctor can examine your throat to diagnose the source of the sore and prescribe medication. A healthcare provider can also discuss your medical history and order a blood test to determine the cause of the sore.
A canker sore in the throat can be caused by a number of reasons, including an illness in the throat or tonsils.
Complications

Complications of a canker sore in the throat can range from minor irritation and pain to a more serious infection that requires medical attention. Treatment may include oral or topical steroids.
However, these medications are only used when other treatments fail to relieve the pain. Other treatment options include dietary supplements containing:
- Vitamins B-12.
- Zinc.
- And folate.
These medications can help to reduce the occurrence of future outbreaks. In addition, regular oral hygiene practices and regular rest are recommended to prevent the sores.
The first symptoms of canker sores may be pain or redness on the tonsil or throat. Although the pain and soreness are generally temporary, they are often followed by fever, run-down symptoms, and other problems.
According to Medical News Today, canker sores usually clear up without treatment within two weeks, although several over-the-counter (OTC) treatments can help speed up healing, but they can recur if not treated in time.
Some people are at higher risk of developing this inflammatory condition than others. Moreover, people who have a compromised immune system are more likely to experience canker sores.