Avoid skin contact, e.g. kissing, touching or picking the cold sore, especially when it has blistered. do not break your cold sore blister.
Be careful not to touch the cold sore and then rub your eyes. Take extra care if you wear contact lenses and when applying or removing make-up. If your eye becomes red, watery or sensitive to sunlight see you doctor immediately.
Use you own eating and drinking utensils, towels and face cloths when you have a cold sores.
Avoid sharing lipstick or lip balms. Wipe lipstick testers before using them, and preferably test them on your hand or wrist.
Learn to recognise and manage your cold sore ‘triggers’
Keep fit - it may help you manage stress and keep your immune system healthy.
Use sunscreens with high blocking capacity (SPF30) if exposure to sun (e.g. during skiing and beach activities) cause your cold sores.
See your doctor
If a cold sore spreads from your lips or around your mouth and nose to other parts of your face, or if cold sores appear on other parts of your body.
If your cold sore does not heal within 3 weeks.
You have a cold sore and your eyes become red, watery or sensitive to light.