Easy: A "cold" usually means a viral illness to an M.D. These are short lived and resolve on their own in 5 to 7 days. The symptoms are just managed to make you feel a bit better. Otc meds for each of three symptoms, congestion, cough and malaise are usually suggested. Once the symptoms are not easily controlled you need a pcp evaluation for other options and diagnosis.
Answered 10/3/2016
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