My 2 year-old child has minor aphthous ulcer. Triamcinolone or choline salicylate oral gel for pain relief?

Canker sores. also called aphthous ulcers are the most common oral lesions. Individual ulcers typically last 1-2 weeks. The condition is idiopathic (cause is not known) recurrent aphthous ulcers is usually self-limiting. Try to keep adequate oral hygiene as possible.