You certainly have a cold, right? Did you know that in addition to being caused by infections, colds can also be caused by allergies you know. Let's see what an allergic runny nose is and the difference with a runny nose infection. In the medical world, allergic colds are known as allergic rhinitis. In this condition, colds occur if the sufferer is exposed to an allergen (allergic substances or substances), such as dust or animal dander. When you inhale the triggers, the immune system will consider it a dangerous object and release a compound called histamine as a resistance reaction. This reaction causes allergic symptoms, such as runny nose and itching in the nose. Difference between allergic colds and infections colds The main difference between these two types of colds is the cause. Cold infections are caused by viral or bacterial infections, whereas allergic colds are caused by allergen exposure. Well, what about the symptoms? Although both cause runny and stuffy nose, t...