Go to A Doctor or Not

This is the second time that I gets a cold in this semester. I get a cold before the exam each time. It's so unlucky.
Cough, running nose and stuffy nose make me very uncomfortable and feel tired easily. My mom always tell me to go to a doctor when I get a cold. I did go to a doctor last time but I didn't go this time.
Why?
First, nobody likes to go to a doctor and takes medicines. Neither do I. Second, I knows that virus causes cold. Medicines which the doctor gives us can ease the symptoms of cold but it can't kill the virus. We feel better and recover from cold because our bodies produce the antibody. Therefore, when we get cold, we should rest a lot to raise the immunity. Third, each medicine has side effect. Taking too much medicine is not good to our health.
Now, I'm fighting against the virus. I hope that I can recover from the cold before all final exams.


Here are some websites about cold & go to a doctor:
http://tw.group.knowledge.yahoo.com/know-why/article/view?aid=329
http://tw.group.knowledge.yahoo.com/know-why/article/view?aid=411

Both are in Chinese.