(HealthDay News) -- A cold sore is a painful sore that often forms on the lips or around the mouth. While a cold sore is caused by the herpes virus, many factors can act as triggers.
The American Academy of Dermatology says potential triggers include:
Robitussin Honey Cough Syrup Recalled Due to Fungal Threat
Antibiotics Probably Won't Ease Your Cough, Even If Infection is Bacterial: Study
Is It a Cold, Flu or COVID? An Expert Helps You Sort It Out
Saltwater Drops in Nose Could Shorten Kids' Colds
How To Fight Common Wintertime Respiratory Viruses
CDC Reports Potentially Troublesome Mutations in Bird Flu Found in Louisiana Patient
ERs Might Be Good Spots to Offer Flu Shots
Simple Paper-Strip Test Might Spot Flu, and Which Type You Have
FDA Proposes Ban on a 'Useless' Decongestant, Phenylephrine
Bird Flu Virus Stays Active on Cow Milking Equipment for at Least One Hour