患感冒是人们最常见的疾病之一,许多人患感冒后往往不重视,不进行及时的治疗,导致第一次感冒还没好,紧接着就二次感冒。发烧、咳嗽、流鼻涕……症状往往比第一次还厉害,有的一直拖几个月甚至半年病情都没有改善。为什么一个小小的感冒,却这样难缠呢? Colds are one of the most common diseases in many people. Many people often do not pay much attention to the flu and do not take timely treatment, resulting in the first cold is not good yet, followed by a second cold. Fever, cough, runny nose ... Symptoms are often worse than the first, and some have been dragging on for months or even six months did not improve the disease. Why a small cold, but so difficult to do?