Common cold symptoms usually start between one and three days after you are infected by a cold virus.Typically, they last for about three to seven days. During the first three days that you have common cold symptoms, you are contagious. This means you can pass the cold virus to those you come in contact with.View full size

Common cold symptoms usually start between one and three days after you are infected by a cold virus.Typically, they last for about three to seven days. During the first three days that you have common cold symptoms, you are contagious. This means you can pass the cold virus to those you come in contact with.