why should aspirin tablets not be taken after the used by date?

Answer:
Aspirin will begin to lose its effectiveness after a certain period of time. You can tell with aspirin by its smell. If it smells like vinegar throw them away!

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Oh my. The expired tablet content might be harmful to the human body, I think.

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My doctor told me that expired meds are fine to take. The expiration date is just a way for the drug companies to make more money. She said most meds are good for a year past there expiration date.

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Chemicals cn deteriorate and degrade with time. They are capable of turning in to something else, that may not do you too much good.

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Cause that would cut into drug companies profits...
As long as meds are kept cool and dry, I have taken some after 8 years and they work just fine.

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Some medicines, especially creams and liquids, get kind of gross after they expire. The active ingredients can become less active, but the expiration dates don't really mean much, especially if you store the medications according to the package instructions.

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When a medication expires, the Chemicals start to break down. The breakdown of these can make the medication less effective. In some medications, as the chemicals breakdown, they become toxic to the human body. You should go through your medicne cabinet regularly and dispose of the medications that have expired. Buying a new bottle of aspirin is cheaper than a hospital bill.

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Expiration dates are usually pretty conservative - most OTC pills are pretty stable for a long time. If exposed to heat or light moisture air etc . . . they will break down faster, but if they're stored properly (not in the sun and not spilled all over the wet bathroom countertop), then they should be fine for awhile, especially asprin. Some pills that are extra blister-packed will break down faster, losenges and herbal pills will break down faster with moisture.

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