Mouth ulcers also known as canker sores are painful sores that develop inside the mouth, on the tongue, inner cheeks, lips or gums. They make eating, drinking and speaking uncomfortable. While conventional treatment focuses on pain relief, homeopathy offers a holistic approach that not only relieves symptoms but also treats the root cause of ulcers.
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ToggleIn this article we will discuss the causes, symptoms and best homeopathic medicines for mouth ulcers, along with home remedies and lifestyle changes to prevent recurrence.
What are Mouth Ulcers?
Mouth ulcers are small shallow lesions that appear in the soft tissues of the mouth. Unlike cold sores which are caused by herpes virus and appears on the outer lips, mouth ulcers are non contagious and occurs inside the mouth.
Types of Mouth Ulcers
- Minor Ulcers – Small round ulcers that heal in 1-2 weeks without scarring.
- Major Ulcers – Larger and deeper ulcers that may take weeks to heal and may leave scars.
- Herpetiform Ulcers – Tiny clusters of ulcers that resemble herpes sores but are not caused by a virus.
Causes of Mouth Ulcers
Several factors can contribute to the formation of mouth ulcers. Identifying the underlying cause is essential for treatment.
Nutritional Deficiencies
Deficiency of essential vitamins and minerals especially vitamin B12, iron, folic acid and zinc can cause recurrent mouth ulcers.
Stress and Anxiety
Emotional stress and anxiety weakens the immune system making the body more prone to ulcers.
Hormonal Changes
Many women get mouth ulcers during menstruation or pregnancy due to hormonal changes.
Food Sensitivities
Acidic, spicy and rough foods (like citrus fruits, coffee, chocolate and nuts) can irritate the oral lining and cause ulcers.
Injuries and Irritations
- Biting the inside of the cheek
- Hard toothbrush bristles
- Poorly fitting dentures
- Braces rubbing against the cheeks
Weak Immune System
People with weakened immunity, such as those with autoimmune diseases, diabetes, or vitamin deficiencies, may develop recurrent ulcers.
15 Homeopathic Medicines for Mouth Ulcers
Mouth ulcers (canker sores) can be painful and annoying, affecting daily activities like eating, drinking and speaking. Homeopathy treats the root cause of the ulcers rather than just suppressing the symptoms.
Here are the top 15 homeopathic remedies for mouth ulcers:
Borax
- Best for soft, painful, bleeding ulcers when touched or eating.
- Symptoms:
- White ulcers inside the cheeks or tongue.
- Very sensitive to warm food or drinks.
- Burning pain with raw feelings.
- Pain increases with spicy or acidic food.
- Dosage: Borax 30C – 2-3 times a day till symptoms improve.
Mercurius Solubilis
- Best for ulcers that causes excessive saliva and bad breath.
- Symptoms:
- Painful ulcers with swollen, red mouth and tongue.
- Bad breath, metallic taste in the mouth.
- Ulcers worsen at night and with hot food.
- Dosage: Mercurius Sol 30C – Twice daily for 3-5 days.
Arsenicum Album
- This is best for burning pain, dryness and restlessness.
- Symptoms:
- Small, red, inflamed ulcers with intense burning.
- Pain relieved by warm drinks.
- Ulcers appears after stress, food poisoning or infections.
- Dosage: Arsenicum Album 30C – Twice daily till relief.
Natrum Muriaticum
- It is best for ulcers caused by stress, grief or emotional distress.
- Symptoms:
- Ulcers on the tongue, lips or inner cheeks.
- Cracked lips with dryness and burning pain.
- Worsens with salty food.
- Dosage: Natrum Mur 30C – Twice a day for a week.
Kali Bichromicum
- Recommended for large ulcers with thick yellow discharge.
- Symptoms:
- Round ulcers with yellow base.
- Sticky mucus in the mouth.
- Pain increases with cold drinks and spicy food.
- Dosage: Kali Bich 30C – Twice daily for 4-5 days.
Nux Vomica
- Good for ulcers due to digestive problems, acidity, spicy food or excessive alcohol.
- Symptoms:
- Burning pain after eating spicy food.
- Irritable and sensitive to cold drinks.
- Constipation and bloating may be present with ulcers.
- Dosage: Nux Vomica 30C – 2-3 times a day.
Sulphur
- Suggested for chronic ulcers that come back.
- Symptoms:
- Red, inflamed border.
- Itching and burning sensation.
- Worsens with heat and warm food.
- Dosage: Sulphur 30C – Once a day for a week.
Apis Mellifica
- For red ulcers with swelling and stinging pain.
- Symptoms:
- Ulcers on tongue, gums or inside the lips.
- Dryness of mouth with stinging sensation.
- Dosage: Apis Mell 30C – Twice a day for 5 days.
Belladonna
- Best acute ulcers with severe pain and swelling.
- Symptoms:
- Red, swollen ulcers with throbbing pain.
- Body temperature or fever may be present.
- Dosage: Belladonna 30C – Every 4-6 hours until symptoms subside.
Phytolacca
- Recommended for big, painful ulcers that interfere with swallowing.
- Symptoms:
- Dark red base ulcers.
- Pain worsens with cold food.
- Dosage: Phytolacca 30C – Twice a day for 5-7 days.
Lachesis
- For ulcers with bluish or purple color and extreme pain.
- Symptoms:
- Sensitive to hot drinks.
- Dosage: Lachesis 30C – Once a day for 5 days.
Cantharis
- Better for ulcers that feel like blisters and burn intensely.
- Dosage: Cantharis 30C – Twice a day for a week.
Hepar Sulph
- It is for painful ulcers with pus formation.
- Dosage: Hepar Sulph 30C – Twice a day for 5 days.
Argentum Nitricum
- Good for ulcers caused by excessive sugar, chocolates or anxiety.
- Dosage: Argentum Nitricum 30C – Twice a day for 4-5 days.
Thuja Occidentalis
- Suggested for mouth ulcers in people with weak immunity or history of warts.
- Dosage: Thuja 30C – Once a day for a week.

Home Remedies for Mouth Ulcers
In addition to homeopathic treatment, try these home remedies to speed up healing and prevent ulcers from getting worse:
1. Salt Water Rinse
Gargle with warm salt water reduces bacteria and promotes healing. Mix 1 teaspoon of salt in a glass of warm water and rinse twice a day.
2. Honey Application
Honey has anti-inflammatory and antibacterial properties. Apply raw honey to the ulcer 2-3 times a day to soothe pain and heal faster.
3. Aloe Vera Gel
Aloe vera has cooling and healing properties. Apply fresh aloe vera gel directly on the ulcer to get relief.
4. Coconut Oil
Coconut oil has antimicrobial effects. Dab a small amount on the ulcer to reduce inflammation and pain.
5. Turmeric Paste
Turmeric is an antiseptic. Mix turmeric powder with honey or coconut oil and apply to the ulcer to heal faster.
Lifestyle Changes to Prevent Mouth Ulcers
- Eat a Balanced Diet – Include vitamin rich foods like leafy greens, dairy, nuts and whole grains to avoid deficiencies.
- Stay Hydrated – Drink plenty of water to keep the mouth moist and for healing.
- Manage Stress – Practice meditation, yoga and deep breathing exercises to reduce stress induced ulcers.
- Avoid Irritating Foods – Reduce consumption of spicy, acidic and processed foods that trigger ulcers.
- Maintain Good Oral Hygiene – Use a soft bristled toothbrush and avoid harsh mouthwashes with alcohol.
When to see a doctor for Mouth Ulcers?
While most mouth ulcers heal within 1-2 weeks, consult a doctor or homeopath if:
- Ulcer lasts more than three weeks.
- You have severe pain or difficulty in eating
- Ulcers keep coming back frequently
- Multiple large ulcers at the same time
- Unexplained weight loss or fever.
Conclusion
Homeopathy is a side effect free way to treat mouth ulcers. These were then the top 15 homeopathic medicine for mouth ulcers. The right remedy depends on the type of ulcer, symptoms and underlying cause. If ulcers persist for more than 3 weeks, consult a qualified homeopath for personalized treatment. Book your online homeopathy consultation with Dr. Gunjan Rai, a homeopathic doctor who has more than 11 years of experience.

Dr. Gunjan Rai is a highly respected homeopathic doctor in Ghaziabad with over 11 years of experience in treating a wide range of health conditions. Known for her 95% success rate, she specializes in allergies, skin and hair issues, pediatric concerns, and female health disorders. A graduate of Nehru Homeopathic Medical College, Delhi University, she holds an MD from Mahesh Bhattacharya Homeopathic Medical College and is also a certified Garbh Sanskar coach. Her holistic approach, complemented by her expertise as a yoga trainer, has helped thousands lead healthier lives. Dr. Gunjan Rai’s dedication to natural healing ensures compassionate and effective care for all her patients.