Flea Resistance to Medications Frontline products (Frontline Plus, Frontline Gold) and the K9 Advantix line are two of the better-known brands of topical flea preventatives that are reported to be losing effectiveness. These products have been in use long enough that fleas have adapted and become resistant to them.Jun 7, 2018
Is it OK to use expired flea medicine?
Second, the medical authorities state that it is safe to take most drugs after the expiration date. Although some drugs may lose some of their potency over time, maybe as little as 5%, many are good for years after the expiration date.Aug 5, 2011
Does Frontline Gold have an expiration date?
FRONTLINE® Gold for Dogs has no expiration date.
How do I know when my Frontline Plus expires?
The expiry date is located on the side of the outer packaging, on the pipette foil at the bottom and on the pipette itself. At the time of manufacture FRONTLINE Plus®, FRONTLINE Tri-Act® and FRONTLINE® Spot On have a shelf life of 3 years, although typically less than this will be remaining at the point of purchase.
Does flea medicine really expire?
Generally, nothing will happen. But yes, it can affect and deteriorate your pet's health. What I would suggest is, check the product label carefully before you use the product. And in case you have mistakenly fed or used an expired product, rush to your nearest vet as soon as you can.Nov 4, 2019
Can you give dogs expired flea medicine?
It does not mean how long the drug is actually good for, or safe to use. Second, the medical authorities state that it is safe to take most drugs after the expiration date. Although some drugs may lose some of their potency over time, maybe as little as 5%, many are good for years after the expiration date.Aug 5, 2011