Alternative NamesMedicine storageInformationMany people store their medications in the bathroom. But this popular spot is actually one of the worst places to keep medicine. Bathroom cabinets tend to be warm and humid, an environment that speeds up a drug's break down process.This is especially true for tablets and capsules. Unnecessary exposure to heat and moisture can cause them to lose their potency prior to their labeled expiration date. For example, a warm, muggy environment can cause aspirin tablets to break down into acetic acid (vinegar) and salicylic acid, both of which are potential stomach irritants.Instead, keep medicines in a cool, dry place and out of a child's reach.If you must keep them in the bathroom, always keep the containers tightly closed. Never repackage them.If medic