Canker sores, or aphthous ulcers, can indeed be associated with a Pitta imbalance, characterized by excess heat and acidity in the body. Your symptoms of burning sensations and irritation, particularly after consuming spicy or sour foods, align with this perspective. In Ayurveda, canker sores are often viewed as manifestations of impaired digestion (Agni) and increased Pitta, leading to inflammation and discomfort in the oral cavity.
To support healing and prevent these sores, start with dietary modifications. Reducing fried and processed foods is essential, as they exacerbate Pitta and can increase acidity. Instead, focus on incorporating cooling foods into your diet such as cucumbers, melons, spinach, and coconut. Herbal teas prepared with fennel, coriander, and mint can also help soothe the digestive system and decrease internal heat. Stay well-hydrated, aiming for at least eight glasses of room temperature or warm water daily, as this aids digestion and flushes out toxins.
For direct management of the sores, you can use a paste made from Yashtimadhu (licorice) and Aloe Vera. Blend these ingredients into a smooth consistency and apply directly to the affected areas for relief. Gargling with a cool mouth rinse made from a blend of warm water, salt, and a pinch of turmeric can also reduce inflammation and promote healing. Regular oil pulling with coconut oil may further help by reducing oral bacteria and soothing the gums.
Triphala, taken in a mild infusion, can aid digestion and support systemic detoxification, aligning with your goal of strengthening oral health. Take it in moderation, typically one teaspoon mixed in warm water before bedtime. To prevent recurrence, consider a seasonal detox with a focus on gentle cleansing herbs which could include guggul and neem under professional guidance.
By managing Pitta through these dietary adjustments, incorporating healing herbs, and maintaining good hydration, you can effectively reduce the frequency and severity of canker sores. If problems persist, consulting a qualified Ayurvedic practitioner might provide additional tailored insights and treatments.



