Prepare by practicing your common-cold-related spelling.

The common cold is a viral upper respiratory tract infection that causes the mucous membranes to secrete mucus producing phlegm. Since it is viral, not bacterial, there is usually no need for prescription medication. Often acetaminophen, decongestants or antihistamines are used for relief. It is contagious and hard to develop a resistance against due to its many variations.

[I am not giving medical advice here. I am just rambling to use all the words.]