does flea medicine have a expiration date ?

i bought a frontline plus kit on ebay and treated my dog and cats... it only lasted maybe 2 weeks if i did them again....i have no rugs in my house... i had bought house spray and sprayed where they sleep and the furniture and beds..still had a problem..then i got an idea to put some flea shampoo in a bucket with water and i washed the floors with it..seems to be working..the seller told me that the stuff never expires ? i told her that it didn't work..she said she was sorry and that maybe i need to treat the yard outside ? Help before i go insane

Asked by Member 576057 on Jul 30th 2009 in Flea & Tick Prevention
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Yes, the expiration date is on each dosage packet.

Member 863277 answered on 8/1/09. Helpful? Yes/Helpful: No 0 Report this answer