What is the difference between a cold and an allergy?
Cold and allergy symptoms can often be similar, making it difficult to tell which condition a person has. There are some differences however, in the characteristics of each condition.ColdsColds are caused by viruses, which can attack your immune system and make you ill. The germs that cause a cold are contagious and can be spread to others by sneezing, coughing or touching hands.AllergiesAllergies are not caused by germs, but by an immune system that is overactive. When the body is exposed to a substance such as mold, it releases histamine. This can cause a runny nose, coughing and sneezing. Allergies are not contagious, but tend to run in families.Theories/SpeculationOne way to tell if you are suffering from a cold or allergies is the duration of time you have been feeling sick. A cold typically lasts three to 14 days, and allergies tend to be more chronic, often lasting several months at a time. The time of year is another factor to consider as certain allergies tend to flare up at t