Here are four major causes of Cold Sores you should know


Cold Sores are tiny, fluid filled blisters on and around the lips. These blisters are often grouped together in patches, then it breaks and forms a scab that can last for several days without leaving a scar.

Cold Sores can be easily contracted through kissing or any close contact with bearer. It is contagious even if you don’t see the sore according to an article on Mayo Clinic published on 25th April 2023.

Causes of Cold Sore

According to an article from Healthline clinic published on 9th March 2023, the below are a few major causes of Cold Sores.

Fever/illness: Fighting off another infection can make it hard for your immune system to keep he herpes virus surppressed, which can lead to reactivation and formation of cold sore. Cold, fever and all flu can increase the risk of cold sore flare-up.

Hormones: When experiencing large  fluntuation in the hormone levels,the likelihood of a cold core flare-up increases.

Too much sun exposure: Ultraviolet rays from the sun can cause cold sore, either by direct activation or reawakening the immune system. when Yoh are outdoor too much especially on sunny days be sure to wear face or lip products to reduce the risk of getting cold sore.

Allergies: No food has been shown to cause cold sore, but if you have an infection already coming on you may need to avoid food containing amino acids arginine, because cold sores need arginine to replicate. All these research is gotten from an article from Healthline clinic published on 9th March 2023

Finally, it is to know that what triggers cold sore in one person might not trigger it In another person. When one notice a blister or sore in the mouth always make sure to visit your healthcare provider.