storing medicine in the refrigerator

It is said that you should store medicine in a cool, dry, and dark place. Then they say, don’t store it in a refrigerator, because “although it is cool, it is also humid.” I think this goes against basic physics. Yes, the refrigerator almost always has higher relative humdity than the room air, but in terms of absolute humidity of water vapor suspended in gas form in the air, it has to be lower. The rest of the water is in liquid form somewhere, like on the walls and lid, and those are water molecules that won’t be hitting the pills (unless they pool at the bottom, that is). In fact, people complain all the time about refrigerator air being too dry for their produce. So it seems the refrigerator is in fact an excellent place to store medicine.


  1. May 24th, 2011 | 20:51

    Never thought about that issue. I always put my medicines on the refrigerator. Thanks for sharing this one!

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