Most of these potential triggers cannot be completely avoided, or are difficult to avoid. But you can try to alter your habits to reduce the risk of re-igniting the virus.
Managing your stress by playing sport, practising meditation and yoga or simply by taking time for yourself are just some of the ways to try to avoid new flare-ups.
When the seasons change, your lips can dry out very quickly and become cracked. Hydrating them with a balm is the best defence against chapped lips. If sunlight triggers your cold sores, a sunblock lip balm (SPF 15 or higher) could be helpful.