Dealing with a canker sore, also known as an aphthous ulcer, can be a painful experience, especially when you’re traveling and want to enjoy all the delicious food Japan has to offer. While most canker sores heal on their own within a week, the discomfort can be a nuisance. This article will explore common canker sore remedies available in Japan, helping you find a suitable solution to manage the discomfort. Types of Over-the-Counter Canker Sore Treatments In Japan, you’ll find a variety of canker sore treatments at pharmacies. These are primarily categorized into topical treatments and oral medications. Topical options often contain ingredients to protect the sore, reduce pain, or […]