A. No. As long as you keep it at room temperature and sealed in its original packaging, FRONTLINE Plus will remain ready for battle. Accordingly, can I use out of date Frontline? Thanks for your question! Our Frontline Plus products do not expire and do not have expiration dates on our packaging.
Does frontline work while taking prednisone?
While you are being treated with prednisone, do not have any immunizations (vaccines) without your doctor's approval. Prednisone may lower your body's resistance and the vaccine may not work as well or you might get the infection the vaccine is meant to prevent.
Do you put on Frontline Plus year long?
We appreciate that the process can be enormously frustrating and it’s one of the reasons we recommend treating your pet regularly all year round with FRONTLINE ® Spot On or FRONTLINE ® Plus to prevent an infestation becoming established in your home and on your pet. Something that might help is an understanding of what to expect from flea treatments.
Does Frontline Plus really work?
Unlike the original formula, Frontline Plus eliminates fleas and ticks of all life stages. This product is also effective against chewing lice, mosquitoes, and other external parasites. The manufacturer has already phased out the original Frontline. Therefore, Frontline Plus is your only option if you are looking to stick with this brand.
Does frontline gold have an expiration date?
Thanks for your question! Our Frontline Plus products do not expire and do not have expiration dates on our packaging. If you receive a package that has an expiration date, please call our team of experts as well as Amazon as this may be a counterfeit product.

What happens if you use expired flea treatment?
A medicine should not be used after its use by, best before or expiry date. The flea sprays are guaranteed to be safe and effective if used in accordance with their label instructions; this includes the use by date. After this time, the safety and effectiveness of the treatment may be reduced.
How long is frontline good for?
FRONTLINE PLUS FOR DOGS should be applied every 2 weeks for control of paralysis ticks on dogs, or every month for control of brown dog ticks. FRONTLINE SPRAY should be applied every 3 weeks for control of paralysis ticks on cats and dogs, or every month for the control of brown dog ticks.
Can flea medicine expire?
We have some unopened tubes from last year, still. This item doesn't have an expiration date, but rather a manufacturers date on the box. After two years, this item may start to lose its potency, but it doesn't expire.
Is there a expiration date on Frontline Gold?
FRONTLINE® Gold for Dogs has no expiration date.
Why do I still see fleas after using frontline?
A. The active ingredient in FRONTLINE (fipronil) kills fleas by affecting their nervous system, making them hyperactive before dying. These dying fleas often rise to the top of your pet's haircoat, so the presence of visible fleas after treating your pet, is a sign that the product is working.
Is it bad to give your dog expired flea medication?
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. Most drugs degrade very slowly.
Does Frontline Plus for cats expire?
This product doesn't expire. It will be usable until each individual dosage is opened.
How quickly does frontline work?
How long does Frontline take to work? Frontline starts working once the product has spread over the whole body surface, which can take up to 24 hours after application. Thereafter, fleas are killed within 24 hours and ticks killed within 48 hours.
How long does Frontline Plus last?
If FRONTLINE Plus is to be applied after a bath, make sure your pet is completely dry before application. FRONTLINE Plus remains effective for 30 days, even if your pet swims or is bathed. After application, keep your pet from getting wet for 24 hours.
How to tell if Frontline Plus is working?
Also Know, how can you tell if Frontline is working? It is possible that you see more fleas on your pet after using Frontline Plus. However, this is a sign that the medication is working. Frontline makes fleas hyperactive before killing them and attracts them to the top of the hair coat, making them easier to spot.
