1 Once you’ve had a cold sore, you can get another one.
True! The herpes simplex virus, which causes cold sores, will lie dormant in your body and could strike again at any time.
2 You can apply anti-viral cream at any time.
False! Apply when you feel a tingling, itching sensation. Cream applied once the cold sore is visible will have little effect.
3 They’re only contagious when they burst.
False! They’re most contagious at this time, but you can catch one until it’s completely healed.
4 Symptoms include a sore throat and bad breath.
True! Feeling sick, headaches and thirst are also symptoms.