You can also take a supplement called L-lysine 500 milligrams every day during the outbreak of ulcers.
1500 mg twice daily for the acute oral stoma. In this setting zinc 15 mg twice daily will be helpful as well. Some also benefit from methylfolate and methylcobalamin 1 mg each, taken 2-3 times a day for the same period.
Maintenance doses of lysine can continue at 1500 mg twice daily zinc 15 mg once daily and methylfolate and methylcobalamin can be ongoing as well, if you have recurrent sores, historically, and benefit from this above treatment.