Now that winter is approaching it is common for most of us to suffer from colds all the time. Rare is the person who, at some point this winter season, does not suffer from this ailment. However, sometimes it is necessary to keep in mind that there are other people who suffer allergy to certain things chronically. Some of the symptoms of both ailments come to converge at a certain point and, so much so, that sometimes it is difficult to differentiate them. It is very important to know exactly what happens to us to be able to treat it with the appropriate medicines without making a mistake, so today we bring you information to make this task easier.