Question: why do i get cold sores in the corner of my mouth

title: Angular cheilitis
text: Angular cheilitis can be caused by infection , irritation , or allergies . Infections include by fungi such as Candida albicans and bacteria such as Staph . aureus . Irritants include poorly fitting dentures , licking the lips or drooling , mouth breathing resulting in a dry mouth , sun exposure , overclosure of the mouth , smoking , and minor trauma . Allergies may include to substances like toothpaste , makeup , and food . Often a number of factors are involved . Other factors may include poor nutrition or poor immune function . Diagnosis may be helped by testing for infections and patch testing for allergies . 

Answer: answer: Angular cheilitis can be caused by infection, irritation or allergies. Often a number of factors are involved.
answer: Angular cheilitis can be caused by infection, irritation or allergies. Irritants include poorly fitting dentures , licking the lips or drooling , mouth breathing resulting in a dry mouth , sun exposure , overclosure of the mouth , smoking , and minor trauma . Allergies may include to substances like toothpaste , makeup , and food . Often a number of factors are involved .  Often a number of factors are involved. Other factors may include poor nutrition or poor immune function .