Mouth ulcers, also known as canker sores, are small, painful lesions that can develop on the inside of the mouth, lips, or tongue. While they are not typically serious, they can be extremely uncomfortable and interfere with eating, speaking, and other activities. There are a variety of treatments available for mouth ulcers, but not all of them are equally effective. This article will discuss the strongest treatment options for mouth ulcers and provide guidance on when to seek professional medical help.

What is the Strongest Treatment for Mouth Ulcers?

There's no single "strongest" treatment for mouth ulcers (also known as aphthous ulcers or canker sores) as the best approach depends on the severity, frequency, and individual response. However, some treatments are generally more effective than others in providing faster relief and healing. The most effective treatments often combine multiple approaches, addressing both pain and underlying causes.

1. Topical Corticosteroids

Topical corticosteroids, applied directly to the ulcer, are considered among the most effective treatments for severe or recurrent mouth ulcers. These medications reduce inflammation and pain, promoting faster healing. They are available as gels, ointments, or mouthwashes. Prescription-strength corticosteroids are generally more potent than over-the-counter options and are often preferred for larger or particularly painful ulcers. However, long-term use should be avoided due to potential side effects. Always consult a dentist or doctor before using topical corticosteroids, especially for extended periods.

2. Pain Relief Medications

Over-the-counter pain relievers can significantly alleviate the discomfort associated with mouth ulcers. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen or naproxen, can help reduce both pain and inflammation. Topical anesthetics, like benzocaine or lidocaine, can provide immediate pain relief by numbing the affected area. These are available in various forms, such as gels, sprays, or lozenges. However, it's crucial to follow the dosage instructions carefully, as excessive use can lead to side effects.

3. Antiviral Medications

While mouth ulcers are not typically caused by viruses, some viral infections can mimic their appearance. If a doctor suspects a viral infection is contributing to the ulcers, antiviral medications might be prescribed. These medications target specific viruses and can help shorten the duration and severity of the infection. However, antiviral treatment is usually reserved for cases where a viral etiology is confirmed.

4. Rinse Solutions

Various mouthwashes and rinse solutions can help manage mouth ulcers by reducing inflammation, promoting healing, and providing pain relief. Some options include saline rinses (simple salt water), antimicrobial mouthwashes, and those containing ingredients like hydrogen peroxide or chamomile. These solutions should be used as directed and should not replace other treatments for severe ulcers. Always check for any potential interactions with other medications you are taking.

5. Lifestyle Modifications

Addressing potential underlying factors can contribute to preventing future mouth ulcers. Maintaining good oral hygiene, including brushing and flossing regularly, is essential. Avoiding acidic or spicy foods and managing stress levels can also help reduce the frequency and severity of ulcers. A healthy diet rich in vitamins and minerals, especially B vitamins and zinc, may support healing. Furthermore, quitting smoking if applicable, can help improve overall oral health and reduce the risk of ulcers.

Treatment Type	Effectiveness	Side Effects	Availability
Topical Corticosteroids	High for severe ulcers	Skin thinning with prolonged use	Prescription and OTC
NSAIDs (Ibuprofen, Naproxen)	Moderate pain and inflammation relief	Stomach upset, allergic reactions	OTC
Topical Anesthetics (Benzocaine, Lidocaine)	High for immediate pain relief	Numbness, allergic reactions	OTC
Antiviral Medications	Effective only if viral infection is confirmed	Vary depending on the medication	Prescription
Rinse Solutions (Saline, etc.)	Moderate, supportive treatment	Generally minimal	OTC

What is the Strongest Treatment for Mouth Ulcers?

There's no single "strongest" treatment for mouth ulcers (also known as aphthous ulcers or canker sores) as the best approach depends on the severity, frequency, and individual response. However, some treatments are generally more effective than others in providing faster relief and healing. The most effective treatments often combine multiple approaches, addressing both pain and underlying causes.

1. Topical Corticosteroids

Topical corticosteroids, applied directly to the ulcer, are considered among the most effective treatments for severe or recurrent mouth ulcers. These medications reduce inflammation and pain, promoting faster healing. They are available as gels, ointments, or mouthwashes. Prescription-strength corticosteroids are generally more potent than over-the-counter options and are often preferred for larger or particularly painful ulcers. However, long-term use should be avoided due to potential side effects. Always consult a dentist or doctor before using topical corticosteroids, especially for extended periods.

2. Pain Relief Medications

Over-the-counter pain relievers can significantly alleviate the discomfort associated with mouth ulcers. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen or naproxen, can help reduce both pain and inflammation. Topical anesthetics, like benzocaine or lidocaine, can provide immediate pain relief by numbing the affected area. These are available in various forms, such as gels, sprays, or lozenges. However, it's crucial to follow the dosage instructions carefully, as excessive use can lead to side effects.

3. Antiviral Medications

While mouth ulcers are not typically caused by viruses, some viral infections can mimic their appearance. If a doctor suspects a viral infection is contributing to the ulcers, antiviral medications might be prescribed. These medications target specific viruses and can help shorten the duration and severity of the infection. However, antiviral treatment is usually reserved for cases where a viral etiology is confirmed.

4. Rinse Solutions

Various mouthwashes and rinse solutions can help manage mouth ulcers by reducing inflammation, promoting healing, and providing pain relief. Some options include saline rinses (simple salt water), antimicrobial mouthwashes, and those containing ingredients like hydrogen peroxide or chamomile. These solutions should be used as directed and should not replace other treatments for severe ulcers. Always check for any potential interactions with other medications you are taking.

5. Lifestyle Modifications

Addressing potential underlying factors can contribute to preventing future mouth ulcers. Maintaining good oral hygiene, including brushing and flossing regularly, is essential. Avoiding acidic or spicy foods and managing stress levels can also help reduce the frequency and severity of ulcers. A healthy diet rich in vitamins and minerals, especially B vitamins and zinc, may support healing. Furthermore, quitting smoking if applicable, can help improve overall oral health and reduce the risk of ulcers.

Treatment Type	Effectiveness	Side Effects	Availability
Topical Corticosteroids	High for severe ulcers	Skin thinning with prolonged use	Prescription and OTC
NSAIDs (Ibuprofen, Naproxen)	Moderate pain and inflammation relief	Stomach upset, allergic reactions	OTC
Topical Anesthetics (Benzocaine, Lidocaine)	High for immediate pain relief	Numbness, allergic reactions	OTC
Antiviral Medications	Effective only if viral infection is confirmed	Vary depending on the medication	Prescription
Rinse Solutions (Saline, etc.)	Moderate, supportive treatment	Generally minimal	OTC

What heals mouth ulcers the fastest?

There's no single magic cure that heals mouth ulcers (also known as aphthous ulcers or canker sores) instantly. Healing time varies depending on the size and severity of the ulcer, and individual factors. However, several approaches can significantly speed up the healing process. Treatment focuses on pain relief and promoting faster healing. While some remedies offer quicker relief than others, complete healing typically takes 7-10 days for minor ulcers, and longer for larger or more severe ones.

Over-the-Counter Treatments for Fast Relief

Many over-the-counter (OTC) products can provide quick relief from the pain and discomfort of mouth ulcers. These typically work by creating a protective barrier over the ulcer, reducing irritation and speeding up healing. Some of the most effective options include:

1. Orabase or similar topical anesthetics: These numb the area, providing immediate pain relief. Apply as directed.
2. Products containing corticosteroids: These reduce inflammation and pain. Look for products containing hydrocortisone.
3. Antiseptic mouthwashes: These can help prevent infection and promote healing. Choose alcohol-free options to avoid further irritation.

Home Remedies for Faster Healing

Several home remedies can complement OTC treatments and help soothe mouth ulcers. These methods are generally safe and readily available, offering a gentler approach to managing the discomfort. However, it is always important to consult a doctor if the ulcers are severe, persistent, or recurring.

1. Saltwater rinses: Dissolve a teaspoon of salt in warm water and rinse your mouth several times a day. The salt helps to reduce inflammation and cleanse the area.
2. Aloe vera gel: Apply a small amount of aloe vera gel directly to the ulcer several times a day. Its anti-inflammatory properties can promote healing.
3. Honey: Applying honey directly to the ulcer can help reduce pain and promote faster healing due to its antibacterial and anti-inflammatory properties.

Dietary Changes to Support Healing

What you eat and drink can significantly impact the healing process. Certain foods can irritate ulcers, prolonging healing time. Conversely, focusing on a diet that supports oral health can contribute to quicker recovery.

1. Avoid acidic foods and drinks: These can increase pain and inflammation. Examples include citrus fruits, tomatoes, and spicy foods.
2. Eat soft foods: Hard or crunchy foods can irritate the ulcer. Opt for softer foods like soups, yogurt, and mashed potatoes.
3. Stay hydrated: Drinking plenty of water helps keep your mouth moist and promotes healing.

Prescription Medications for Severe Cases

For severe or persistent mouth ulcers, a doctor may prescribe stronger medications to accelerate healing and manage pain. These are generally only necessary in cases where over-the-counter treatments are ineffective or if the ulcers are unusually large or long-lasting.

1. Topical corticosteroids: Prescription-strength corticosteroids can provide more effective inflammation reduction than OTC versions.
2. Analgesics: Pain relievers such as ibuprofen or acetaminophen can help manage pain if it's severe.
3. Immunosuppressants: In rare cases, especially if ulcers are recurrent and severe, immunosuppressant medications may be prescribed.

When to See a Doctor

While most mouth ulcers heal on their own within a couple of weeks, seeking medical attention is crucial in certain scenarios. Do not hesitate to consult a doctor if your mouth ulcers are unusually large, persistent, very painful, or accompanied by other symptoms such as fever or swollen lymph nodes.

1. Persistent ulcers lasting longer than three weeks.
2. Ulcers that are exceptionally painful or interfere with eating and drinking.
3. Recurrent ulcers appearing frequently.

What drink can cure a mouth ulcer?

What Drink Can Cure a Mouth Ulcer?

There is no single drink that can definitively "cure" a mouth ulcer (also known as a canker sore). Mouth ulcers are typically caused by minor injuries, stress, hormonal changes, or deficiencies in certain vitamins and minerals. While no drink will magically make them disappear, certain beverages can help soothe the pain and promote healing. It's crucial to understand that these drinks offer symptomatic relief, not a cure. A doctor should be consulted for persistent or severe ulcers.

1. Water: The Foundation of Healing

Water is essential for overall health and plays a crucial role in the healing process. Staying well-hydrated keeps your mouth moist, which can help prevent further irritation of the ulcer. Adequate hydration also aids in the body's natural healing mechanisms. Drinking plenty of water throughout the day can significantly contribute to faster healing and reduce discomfort.

1. Promotes faster cell regeneration: Water is vital for cellular function and tissue repair.
2. Reduces dryness and irritation: A dry mouth can worsen ulcer pain.
3. Helps flush out toxins: This supports the body's natural healing process.

2. Milk: A Soothing Agent

Milk, particularly cold milk, can offer temporary relief from the burning sensation of a mouth ulcer. The coolness provides soothing relief, and some believe the proteins and fats in milk may help create a protective layer over the ulcer. However, it's important to note that dairy products can sometimes exacerbate the problem for some individuals.

1. Provides temporary pain relief: The coolness numbs the area.
2. May create a protective barrier: The fat content may help shield the ulcer.
3. Consider individual tolerances: Dairy may worsen ulcers in some people.

3. Herbal Teas: Potential Anti-Inflammatory Benefits

Certain herbal teas, such as chamomile and licorice root tea, possess potential anti-inflammatory properties that may help reduce swelling and pain associated with mouth ulcers. These teas should be consumed lukewarm or cool to avoid further irritation. However, scientific evidence supporting their effectiveness is limited.

1. Chamomile: Known for its calming and anti-inflammatory effects.
2. Licorice root: Possesses anti-inflammatory and antimicrobial properties (consult your doctor before use, especially if you have high blood pressure).
3. Always drink lukewarm or cool: Avoid scalding your ulcer.

4. Aloe Vera Juice: Natural Soothing Properties

Aloe vera juice, known for its soothing properties, may help reduce mouth ulcer pain and promote healing. The gel from the aloe vera plant has been traditionally used for wound healing. However, as with herbal teas, the scientific evidence for its efficacy on mouth ulcers is still somewhat limited.

1. Soothing properties: Can reduce inflammation and pain.
2. May promote faster healing: Some anecdotal evidence suggests this.
3. Consult your doctor before regular use: Ensure there are no interactions with your medications.

5. Avoiding Irritants: A Crucial Step

While not a "cure," avoiding acidic or spicy drinks and foods is vital for managing mouth ulcers. These irritants can exacerbate the pain and slow down the healing process. Opting for blander drinks and foods allows the ulcer to heal naturally without further irritation.

1. Avoid acidic juices: Citrus fruits and juices can be particularly irritating.
2. Steer clear of spicy foods and drinks: These increase inflammation and pain.
3. Choose bland options: Focus on easily digestible, less irritating foods and drinks.

Which antibiotic is best for mouth ulcers?

Mouth ulcers, or aphthous ulcers, are not typically caused by bacterial infections. Therefore, antibiotics are generally ineffective in treating them. Most mouth ulcers are caused by minor trauma, stress, hormonal changes, or nutritional deficiencies. While a secondary bacterial infection can sometimes occur, it's rare and usually manifests as a worsening of symptoms, not the primary cause. Treatment focuses on pain relief and promoting healing. Antibiotics should only be considered if there's clear evidence of a bacterial infection, such as a severe, spreading ulcer with significant purulent discharge, and should be prescribed by a doctor. Even then, the antibiotic choice would depend on the specific bacteria identified.

What are the common causes of mouth ulcers?

Mouth ulcers, also known as aphthous ulcers or canker sores, are common and usually caused by minor irritations. They’re often self-limiting and heal within a week or two. However, some underlying factors can contribute to their development or recurrence.

1. Minor trauma: Accidental biting of the cheek or tongue, ill-fitting dentures, or aggressive brushing.
2. Stress: Emotional stress can trigger or worsen mouth ulcers for some individuals.
3. Hormonal changes: Fluctuations in hormone levels, particularly during menstruation, can also be a factor.
4. Nutritional deficiencies: Deficiencies in certain vitamins and minerals, such as vitamin B12, iron, or folic acid, can sometimes be linked to recurring ulcers.
5. Certain medical conditions: In rare cases, mouth ulcers can be a symptom of underlying health issues like inflammatory bowel disease or immune system disorders.

When should I seek medical attention for a mouth ulcer?

Most mouth ulcers heal on their own, but it's crucial to consult a doctor if your ulcer:

1. Is unusually large or deep.
2. Persists for more than two weeks.
3. Is accompanied by fever, swollen lymph nodes, or other systemic symptoms.
4. Is extremely painful and interferes with eating and drinking.
5. Recur frequently or are unusually numerous.

What are the effective treatments for mouth ulcers?

Treatment for mouth ulcers typically focuses on symptom management and promoting healing. Over-the-counter remedies are often sufficient, but severe or persistent ulcers may require medical intervention.

1. Pain relievers: Over-the-counter pain relievers like ibuprofen or acetaminophen can help manage discomfort.
2. Topical anesthetics: These can numb the ulcer and provide temporary pain relief.
3. Mouthwashes: Some mouthwashes contain ingredients that can help reduce inflammation and promote healing.
4. Corticosteroid ointments: In some cases, a doctor may prescribe a corticosteroid ointment to reduce inflammation and accelerate healing.
5. Dietary changes: Avoiding acidic or spicy foods can help reduce irritation and promote healing.

What are the potential complications of untreated mouth ulcers?

While most mouth ulcers are benign and heal on their own, neglecting them can potentially lead to complications, though these are rare. Prompt medical attention can prevent such issues.

1. Secondary bacterial or fungal infections: A weakened immune system or lack of proper hygiene can increase the risk of infection, leading to worsening pain and inflammation.
2. Dehydration: Severe pain can make eating and drinking difficult, potentially leading to dehydration.
3. Malnutrition: Difficulty eating due to pain can also hinder proper nutrient intake.
4. Scarring: Although uncommon, very large or deep ulcers might leave scars.
5. Rare underlying medical conditions: Persistent or unusual ulcers could indicate an underlying health problem needing medical attention.

Are there any home remedies for mouth ulcers?

Several home remedies may provide some relief from mouth ulcer pain and promote faster healing. However, these remedies should be considered supplementary to medical advice and not a replacement for professional care.

1. Saltwater rinse: Rinsing your mouth with warm salt water can help clean the ulcer and reduce inflammation.
2. Aloe vera gel: Applying aloe vera gel directly to the ulcer can soothe the area and promote healing.
3. Honey: Honey has antibacterial properties and can help reduce inflammation.
4. Milk of magnesia: Applying a small amount of milk of magnesia can create a protective barrier over the ulcer, reducing irritation.
5. Ice cubes: Sucking on ice cubes can temporarily numb the pain.

How do you get immediate relief from mouth ulcers?

How Do You Get Immediate Relief From Mouth Ulcers?

Immediate relief from mouth ulcers often focuses on soothing the pain and inflammation. While complete healing takes time, several strategies can provide quick comfort. Rinsing your mouth with a gentle salt water solution is a highly effective first step. The salt helps to draw out excess fluid, reducing swelling and providing antimicrobial action. Another readily available option is applying a topical anesthetic gel or cream containing benzocaine or lidocaine. These numb the area, providing temporary pain relief. Over-the-counter mouthwashes specifically designed for mouth ulcers can also offer soothing properties and help maintain oral hygiene, which is crucial during healing. It's important to avoid irritating foods and drinks like acidic juices, spicy dishes, and alcohol. Focusing on soft, bland foods will minimize friction and further irritation to the ulcer.

Over-the-Counter Remedies for Immediate Relief

Many over-the-counter medications provide fast relief. These remedies focus on numbing the pain or reducing inflammation. Pain-relieving gels or sprays containing benzocaine or lidocaine are readily available at pharmacies. They work by temporarily numbing the affected area, providing quick pain relief. Additionally, mouthwashes specifically formulated for mouth ulcers can help cleanse the area and reduce inflammation, creating a more comfortable environment for healing. Always follow the product instructions carefully.

1. Benzocaine or lidocaine gels/sprays: Apply as directed to numb the pain.
2. Mouthwashes for canker sores: Rinse your mouth several times a day to reduce inflammation and promote healing.
3. Salt water rinses: Dissolve a teaspoon of salt in a glass of warm water and rinse gently.

Home Remedies for Quick Soothing

Simple home remedies can offer immediate comfort. A cool, wet cloth applied to the affected area can help numb the pain and reduce inflammation. The coolness can also temporarily reduce the burning sensation often associated with mouth ulcers. Rinsing with warm salt water is another effective home remedy. The salt helps to draw out excess fluid and clean the area, while the warmth can soothe the irritated tissue. Applying aloe vera gel directly to the ulcer can also help reduce inflammation and promote healing.

1. Cold compress: Apply a cool, damp cloth to the ulcer for 10-15 minutes at a time.
2. Warm salt water rinse: Dissolve ½ to 1 teaspoon of salt in a glass of warm water and rinse gently.
3. Aloe vera gel: Apply a small amount of pure aloe vera gel directly to the ulcer.

Dietary Changes for Immediate Comfort

What you eat and drink significantly impacts the healing process and your level of comfort. Avoiding irritating foods is crucial. Spicy foods, acidic fruits (like oranges and tomatoes), and rough or crunchy foods can worsen the pain and inflammation. Opting for soft, bland foods like mashed potatoes, yogurt, and oatmeal will minimize further irritation. Staying hydrated by drinking plenty of water is also important as it helps to keep your mouth moist and promotes healing.

1. Avoid acidic foods: Citrus fruits, tomatoes, and vinegar-based dressings should be avoided.
2. Choose soft foods: Soups, mashed vegetables, and yogurt are good options.
3. Stay hydrated: Drink plenty of water throughout the day.

When to Seek Professional Medical Advice

While many mouth ulcers heal on their own, it's important to know when to seek professional help. If the ulcer is excessively large, painful, or doesn't heal within two weeks, consult a dentist or doctor. If you experience fever, swollen glands, or difficulty swallowing, seek immediate medical attention. These could indicate a more serious underlying condition. A medical professional can properly diagnose and treat the issue. Persistent, recurring ulcers also warrant a consultation to investigate possible underlying causes.

1. Large or persistent ulcers: Consult a dentist or doctor if an ulcer is unusually large or doesn't heal within two weeks.
2. Fever or swollen glands: Seek immediate medical attention if you experience these symptoms alongside a mouth ulcer.
3. Difficulty swallowing: This could indicate a more serious condition and requires immediate medical evaluation.

Prescription Medications for Severe Cases

In cases of severe or recurring mouth ulcers, a doctor might prescribe stronger medications. Corticosteroid medications, either in topical or systemic form, can significantly reduce inflammation. These medications are generally reserved for more severe cases or when other treatments have been ineffective. Prescription-strength mouthwashes or other topical treatments might also be prescribed to tackle the underlying cause or manage persistent symptoms. Antiviral medications might be necessary if the ulcers are linked to a viral infection.

1. Corticosteroids: These reduce inflammation and can be applied topically or administered systemically.
2. Prescription-strength mouthwashes: These are stronger than over-the-counter options and can target specific causes of mouth ulcers.
3. Antiviral medication: Necessary if the ulcers are linked to a viral infection.

What is the best treatment for a painful mouth ulcer?

There's no single "best" treatment for mouth ulcers (also known as aphthous ulcers or canker sores), as the effectiveness of various remedies depends on the individual, the severity of the ulcer, and its underlying cause. However, several approaches can significantly alleviate pain and promote faster healing. Over-the-counter (OTC) pain relievers such as topical anesthetics like benzocaine or lidocaine can provide immediate pain relief. These are available as gels, sprays, or lozenges and can numb the area, making eating and talking more comfortable. Antiseptic mouthwashes containing chlorhexidine or hydrogen peroxide can help to reduce bacterial load and prevent infection, thus aiding healing. Rinsing gently with warm salt water several times a day can also provide relief and promote a clean environment for healing. For larger or more persistent ulcers, your dentist or doctor might recommend prescription medications, such as corticosteroids (either topical or systemic) to reduce inflammation and speed healing. In some cases, they might also prescribe antiviral medications if a viral infection is suspected. Remember to avoid acidic, spicy, or highly seasoned foods, as these can irritate the ulcer and exacerbate pain. Maintaining good oral hygiene is also crucial, although you should use a soft-bristled toothbrush to avoid further irritation.

How long does it take for a mouth ulcer to heal with treatment?

The healing time for a mouth ulcer varies considerably depending on its size, the individual's immune system, and the treatment approach. Small ulcers typically heal within 7 to 10 days with proper care. Larger or deeper ulcers may take 2 to 3 weeks or even longer to heal completely. Consistent application of the chosen treatment is key to speeding up the healing process. If you're using a topical anesthetic, make sure to follow the instructions on the packaging and avoid overuse, as prolonged exposure can irritate the affected area. If you're using a mouthwash, rinse gently and avoid swallowing the solution. For prescription medications, strictly adhere to your doctor's instructions. If an ulcer persists for more than three weeks or if it's unusually large, painful, or accompanied by other symptoms like fever or swollen lymph nodes, it's crucial to seek professional medical attention as this could indicate an underlying medical condition that needs further investigation.

Are there any home remedies for mouth ulcers?

While home remedies may not be as potent as medical treatments, many individuals find them helpful in managing the symptoms of mouth ulcers and promoting healing. One common home remedy is rinsing the mouth with warm salt water several times a day. The salt helps to draw out fluid from the ulcer, reducing swelling and pain, and acts as a mild antiseptic. Applying a small amount of honey directly to the ulcer can also be soothing and promote healing, due to its antibacterial and anti-inflammatory properties. Another option is applying aloe vera gel, known for its soothing and healing properties. However, it's essential to ensure the aloe vera gel is pure and doesn't contain any additives that could irritate the sensitive tissue. Some people also find relief from applying a cold compress to the affected area. However, it is important to remember that these remedies are supplemental and should not replace medical treatment if the ulcer is severe or persistent. Always consult a dentist or doctor if you have concerns about your mouth ulcer.

When should I see a doctor about a mouth ulcer?

While most mouth ulcers heal on their own within a few weeks, there are instances when it is essential to seek professional medical advice. You should consult a doctor or dentist if your mouth ulcer: persists for more than three weeks without showing signs of improvement; is unusually large or deep; is accompanied by fever, swollen lymph nodes, or other systemic symptoms; is extremely painful and interferes with your daily activities; recurs frequently, suggesting a possible underlying medical condition; or appears different from previous ulcers, showing unusual characteristics. Your doctor will be able to assess your specific situation, determine the underlying cause of the ulcer, if any, and recommend the appropriate treatment plan. They may perform tests to rule out other conditions like infections or autoimmune diseases. Delaying treatment for a persistent or unusual mouth ulcer can be detrimental, so don't hesitate to seek professional help if you're concerned.