Brain tweezers – Cold sores

What’s worse than a pimple before a big event? A cold sore! How well do you know cold sores? Test your knowledge in our quiz below.


How long does a cold sore usually last?



What isn’t likely to trigger a cold sore?



Once you’ve had a herpes infection, the virus lies inactive in your skin and may return as another cold sore in the same place as before.



Cold sores are caused by which virus?



A customer presents with a number of nasty cold sores. On questioning, he gets them quite regularly, but usually not so many at one time. What can you offer him?