 [ Symptoms ] risk of infection of cold sores my friend had a cold sore which i did not know i never had a history of cold sores i tried one mouth of his food and kissed my girlfriend afterwards my girlfriend too does not have an history of cold sores outbreaks  what are our chances of getting infected with the cold sore virus [ Disease ] sometimes it can be hard to get used to being healthy this could be something as simple as having trouble with your digestion try eating some greek yogurt getting more fiber and exercising some every day and see if that helps if it does not help or if your symptoms get worse a visit with a doctor is in order by the way gas can also cause spasms as can withdrawal from some of the drugs you were taking colon cancer is always a possibility for all humans but in this case i would consider it to be less likely than simple gas from difficulty with digestion