Are there sure ways to get rid of this cold sore/ulcer?

Try applying ice.: Melissa officinalis or lemon balm (cream) expedites healing of cold sores. It can reduce healing time by half. Studies also show that regular use can help v recurrences. Brief supplementation with lysine 1, 000mg orally three times a day at the onset, can also hasten healing. Your physician can prescribe oral valtrex (valacyclovir).

Time & Comfort: Comfortable - anything that makes you comfortable. It takes about 2 weeks to go away no matter what you seem to do. However check with your pharmacy for a few items that may make you more comfortable - remember that they generally do not shorten the 2 week time.