WHAT DOES THE EXPIRY DATE OF THE MEDICINE MEAN ❓CAN WE TAKE MEDICINES AFTER EXPIRY ❓
When it comes to our health, the medicines we take play a crucial role. One aspect that often raises questions is the expiry date stamped on medicine packaging. What does it really
mean, and is it safe to use medicines after they have expired?
What is the Expiry Date?
The expiry date on a medicine is a clear indication of the date until which the manufacturer guarantees the full potency and safety of the product. It is determined through rigorous
testing to ensure the medicine remains effective and stable up to that specified time.
How expiry dates are determined
Determining the expiry date of a medicine is a thorough process involving rigorous testing
and analysis by pharmaceutical manufacturers. It begins with various stability studies, during
which the drug’s chemical composition and physical attributes are assessed over time. Medicins are exposed to various conditions, such as different temperatures and humidity
levels, mimicking potential storage environments. These studies help identify the point at
which the medicine may start to degrade or lose its potency. The data collected from these experiments are then used to establish a conservative expiry date, ensuring that the
medication remains safe and effective until that specified time.
Do medicines lose its effectiveness after expiry date
The expiry date is a careful estimate, considering the possible breakdown of active
ingredients over time in different storage conditions. Not all medicines lose their effectiveness or may become harmful after expiry, the date is a precaution for optimal
effectiveness and safety. There are various studies, including one conducted by the US FDA,
indicating that a significant majority—around 90%—of medications retain their effectiveness
when stored properly, even years after expiry. While these studies suggest a potential
longevity of efficacy, it’s crucial to recognize that individual responses may vary.
Can We Use Medicines After Expiry?
Using medicines after their expiry date is generally not recommended. The expiry date is set
by pharmaceutical manufacturers to guarantee the safety and effectiveness of the medication up to a certain point. Beyond that date, the chemical composition of the medicine
may change, leading to potential loss of efficacy or the formation of harmful byproducts.
While some studies suggest that certain medications may retain their potency after expiry,
it’s important to approach this information cautiously. As a general rule, it’s best to adhere to
the expiry dates on medicines and replace them as needed to ensure optimal therapeutic
outcomes and minimise potential risks. Always consult with a healthcare professional for
guidance on your specific situation.
✍️Ubaidulla K M
MPharm
Pharmacy Blogger
