Clinical efficacy of Psidium guajava-based herbal gel in recurrent aphthous stomatitis
BMC Oral Health (PMCID description) · 2024
Reviewed guidance
Psidium Guajava Herbal Gel for canker sores
A randomized study reported clinical benefit for a Psidium guajava-based herbal gel in recurrent aphthous stomatitis. Applicability is limited to that formulation and studied population; it does not establish benefit for guava tea, leaves, food, or other gels, nor prevention of recurrence.
What this means
Possible short-term symptom relief for recurrent aphthous ulcers using the studied Psidium guajava herbal gel.
How to use it: Use only the studied or a comparable commercially prepared oral gel, if available, and follow its label; do not improvise a homemade preparation or swallow it.
Safety & cautions
The study provides limited safety characterization. Stop for burning, irritation, or allergy. Seek professional advice before use in pregnancy, breastfeeding, children, or with significant medical conditions.
Get medical care for symptoms that are severe, last longer than expected, get worse, or otherwise concern you.
Household preparations
Practical ways to use the ingredient may not provide the same form or amount discussed in the evidence.
Evidence transparency