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Questions tagged [expiration-dates]

The tag has no usage guidance.

20
votes
2answers
6k views

Why do drugs expire?

I've googled through internet, and all I found was "what expiration dates mean". I found nothing about the underlying mechanism of expiration. As drugs are chemicals, why do they expire? Are there ...
4
votes
1answer
92 views

Are there detrimental health effects to drinking old tea?

I've come upon a box of teabags which is kind of old - it says "Best Used before June 6th 2014" - so maybe 4 or 5 years old. The ingredient list only says "black tea leaves", nothing else. It was ...
1
vote
1answer
63 views

How to check if condoms are good to use?

Is there a way to test if a condoms is good to use? Say you have a bag of 100, and you want to test couple of them to make sure the rest are still good. Assuming we are going to dispose of the test ...
4
votes
2answers
173 views

Can medicines which expired a month ago be consumed safely?

I have few expensive nutritional supplements which expired in April (as in the label). Can I still consume it in May? Of course, consuming expired medicines is not advised. However, can't they be ...
1
vote
0answers
45 views

Should I take 9 year old Tylenol with codeine?

Recently I strained a muscle in my shoulder; the throbbing pain got so bad that I, uncharacteristically, took pills for the pain; namely some old Robaxal that I had sitting around from 6 or 7 years ...
1
vote
1answer
47 views

How long is stored tap water safe to be around (not drink)?

I've made some makeshift exercise weights by filling old water bottles with tap water and putting them into bags. Ill never drink the water but how long is it safe to store for? The reason I'm ...
1
vote
0answers
21 views

How long does Resalor keep before expiry?

Once a prescription for Resalor (Prucalopride) is filled, how long does it remain viable before its expiration date?
1
vote
0answers
71 views

Water filter (expired)

In public places, including public library, free drinking water systems are normally provided for public. Not all water filter system has water filter indicator light to let everyone knows when the ...
5
votes
0answers
37 views

How does the efficiency of a diclofenac patch decrease as it approaches the expiration date?

Diclofenac patches often, maybe always, have an expiration date. How does the efficiency of a diclofenac patch decrease as it approaches the expiration date? Assume that the diclofenac patch is used ...
1
vote
1answer
150 views

Probiotic expired Oct 2013

I was doing some cleaning and came across sealed and packaged probiotic that expired Oct 2013. Is it safe/effective to consume in Oct 2015?