Wiktionary
amlexanox
n. A medication with antiallergic and anti-inflammatory effects, used in the treatment of aphthous ulcers.
Wikipedia
Amlexanox
Amlexanox (trade name Aphthasol) is an anti-inflammatory antiallergic immunomodulator used to treat recurrent aphthous ulcers (canker sores), and (in Japan) several inflammatory conditions. This drug has been discontinued in the U.S.