Rembrandt discontinued the canker sore toothpaste line in 2012.
The company targeted, and the toothpaste was used by, canker sore sufferers.
Most small canker sores disappear within 1014 days.
Approximately 20% of the general population suffer from canker sores, which can make eating, swallowing, or talking painful.
A 2011 review found it to be the most effective treatment of the eight treatments investigated for recurrent canker sores.
Colchicine is used for constipation-predominant irritable bowel syndrome in women, and for treatment of severe or persistent aphthous stomatitis (canker sores).
Milk of magnesia is useful against canker sores (aphthous ulcer) when used topically.
Unlike herpes sores, canker sores are always found inside the mouth and are usually less painful.
