How long is cough syrup good for after its expiration date? 

In this article, we will discuss the use of cough syrup after its expiration date. We will also discuss some potential dangers associated with taking expired cough syrup or liquid formulations in general and what you should do to ensure your safety.

How long is cough syrup good for after its expiration date?

Cough syrups may remain good for 6 months to a year after they expire. However, the use of expired medications should not be encouraged. The Food and Drug Administration (FDA) has advised to avoid the use of expired medications (1). 

Some research studies do indicate that most medications retain their potency after they expire, especially solid dosage forms. However, cough syrups are liquid pharmaceuticals which are less stable than solid ones. 

This is because liquids can have more moisture content, which promotes the growth of bacteria. This may cause contamination and make cough syrups unsafe to take. Furthermore, the expiry date is printed on the packaging for a reason. 

Liquid preparations contain preservatives to keep bacterial growth at bay. Once they are past the expiration date, their preservatives may begin to lose efficacy, and they may not provide sufficient protection against bacterial contamination.

This is why it’s best to avoid using cough syrups once they expire. Different cough syrups, like Delsym, Robitussin, etc may have different expiry dates (2,3). Make sure you read the label before using any cough syrup and avoid it if it’s past the expiration date.

What are the potential risks of using expired cough syrup?

Using expired cough syrups can pose potential health risks. When improperly stored, expired syrup can promote bacterial growth, increasing the risk of bacterial infections. 

This is particularly concerning for individuals with weakened immune systems or those who are already suffering from an active bacterial infection. 

Furthermore, consuming expired syrup that has lost its potency won’t deliver the necessary relief from cough, leading to ineffective symptom management. 

It’s important to store your cough syrup correctly and pay attention to the expiration date to protect your health and get adequate relief from your symptoms.

What to do if your cough syrup has expired?

If your cough syrup has expired, the best course of action is to get a new one. Expired medications may not work as effectively, and it’s safer to use a fresh one that’s within its manufacturer’s guarantee.

However, if it has recently expired, like just a few days or a month ago, you can consider using it. Medications don’t deteriorate rapidly right after the expiration date, so they might still be somewhat effective.

But remember, it’s always best to avoid using expired medications. Opting for a fully potent cough syrup ensures your safety and provides the relief you need. Your health matters and using unexpired medicine is a safer choice.

How to dispose of expired cough syrup?

To dispose of expired cough syrup properly, it is important to check the label and see if there are any specific disposal instructions provided by the manufacturer. 

If none are provided, mix the syrup with a substance that cannot be consumed by anyone, such as cat litter. This way, the expired syrup will not be consumed by someone else (4). 

Remember, disposing of expired cough syrup or any other medication is crucial for safety and environmental reasons. Unsafe disposal can increase the chances of accidental administration (4).

Conclusion

In this article, we have discussed the use of expired cough syrups. We have also discussed some potential risks of this practice and what you should do if your cough syrup has expired. 

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References

1.-

U.S. Food and Drug Administration. Don’t Be Tempted to Use Expired Medicines [Internet]. Silver Spring (MD): U.S. Food and Drug Administration. Available from: https://www.fda.gov/drugs/special-features/dont-be-tempted-use-expired-medicines.

2.-

LABEL: ROBITUSSIN MAXIMUM STRENGTH COUGH PLUS CHEST CONGESTION. DailyMed [Internet]. Available from: https://dailymed.nlm.nih.gov/dailymed/getFile.cfm?setid=f1d022dd-c2ca-497f-87d5-9ef3e20e8ea7&type=pdf

3.-

LABEL: DELSYM- dextromethorphan suspension, extended-release. DailyMed [Internet]. Available from: https://dailymed.nlm.nih.gov/dailymed/getFile.cfm?setid=234e6a2c-a280-4a39-8777-9316e9d681fb&type=pdf

4.-

Paut Kusturica M, Tomas A, Sabo A. Disposal of Unused Drugs: Knowledge and Behavior Among People Around the World. Rev Environ Contam Toxicol. 2017;240:71-104. doi: 10.1007/398_2016_3. PMID: 27115675. https://pubmed.ncbi.nlm.nih.gov/27115675/