By activating your account, you will create a login and password. By Leigh Ann Hubbard The expiration date is not a magic number. The first two situations won’t necessarily kill you. It’s a much-discussed topic online since antibiotics aren’t like ibuprofen. The med has been tested and proven to hold up that long—if the container is unopened and stored correctly. Does plaquenil lead to kidney failure Chloroquine weekly Plaquenil nursing considerations Chloroquine has been extensively used in mass drug administrations, which may have contributed to the emergence and spread of resistance. It is recommended to check if chloroquine is still effective in the region prior to using it. In areas where resistance is present, other antimalarials, such as mefloquine or atovaquone, may be used instead. I have some unused -- but expired -- chloroquine pills left over from a previous trip that I am tempted to use. They haven't been expired that long; their expiration date was only back in February of this year 2008. Expired medicines When in doubt, throw them out Living Jan 05, 2012 Hamilton Spectator Old meds can retain their potency, but they can also degrade into toxic impurities. - Shelf-stable products tend not to suddenly go rancid on the stamped date. Svensson, Pharm D, Ph D, dean of Purdue University’s College of Pharmacy, said via email. This is one of the first things preppers (preparedness-minded people) learn when they start stockpiling. A can of vegetables that’s a while past its date may not taste as good. If they don’t work exactly right and you’re in a survival situation, it’s bad news. “It would be very unusual for a drug to have an expiration date shorter than one year or greater than five years,” Craig K. Expired chloroquine still good Can You Use Expired Medications? PharmacistAnswers, Expired Chloroquine Health - Lonely Planet Forum - Thorn Tree Plaquenil routeHydroxychloroquine remission rheumatoid arthritisWhat are the warning on the nnedicine named hydroxychloroquine Can you take medications past their expiration date. that eight medications with 15 different active ingredients were still potent decades beyond their. don't do as good a job as the U. S. Can you take medications past their expiration date? - CBS.. Expired medicines When in doubt, throw them out. Can You Use an Expired Inhaler? -. Most Drugs Are Still Safe To Use Years After Their Expiration Date Shots - Health News Hospitals and pharmacies are required to toss expired drugs, no matter how expensive, vital or scarce. And. The results indicate how long the drug would probably remain good if stored ideally. The lot is given a new expiration date based on this data. Room temperature testing After the new expiration dates are assigned, the lot is stored under optimal conditions, and a sample is retested once or twice a year to make sure it’s still good. If you have expired antihistamines hanging around in your medicine cabinet, they're probably still effective. "Diphenhydramine, a common antihistamine, was studied to last almost 15 years in the tablet form," Langon said, but added that "liquid OTC antihistamines should be discarded on their expiration date."