Pharmacists counsel patients about a host of oral conditions, such as xerostomia, sore mouth, teething, toothache, canker sores, and herpes simplex labialis. The latter condition, also known as fever blisters or cold sores, is particularly painful, and several nonprescription products may provide relief.
U.S. Pharmacist articles
Pray, W. Steven and Pray, Gabriel E., "Advising Patients About Cold Sores" (2015). Faculty Articles & Research. 9.