When a medication is given to treat a problem that has a potential side effect of causing the same problem, that's what I call an oxymoronic medication. A classic example of an oxymoronic medication is tylenol which is typically taken to alleviate a headache, but does have a potential side effect of causing a headache! For tylenol and many others, the oxymoronic side effect is typically due to a rebound effect, but for some others, it may be a more direct effect. Here's a list o…