I plan to call my PCP tomorrow to refill it but I had some left over from a spinal infection (which reoccurs) so I took the initial dose today. Its 3 months past its expiry date. I've seen that it can become toxic after expiry but that depends heavily on environmental conditions. I live in a very arid state, dry climate and this has been in a dark drawer. I obviously don't want to take any risks when it comes to my kidneys.
Any thing beyond the expiry date should not be used.. whether medicines,or any edible stuff or even your toiletries kit!
It's not medically advisable to use any expired product. I will not encourage such
However, some drugs/products remain safe within one year after expiration, but with little or no effectiveness
It's true the effectiveness of a drug may decrease over time, but much of the original potency still remains even a decade after the expiration date. Excluding nitroglycerin, insulin, and liquid antibiotics, most medications are as long-lasting as the ones tested by the military.
https://www.health.harvard.edu/staying-healthy/drug-expiration-dates-do-they-mean-anything
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