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mauirobin · 03-03-2011, 07:30 AM

I had to switch off Frontline when I used it too...it seems not to work after awhile. I think the lil buggers get immune so switching brands helps.

03-03-2011, 07:30 AM	#4
mauirobin Donating Senior Yorkie Talker Join Date: Jan 2011 Location: Cincinnati, Ohio, USA Posts: 224 Blog Entries: 3	I had to switch off Frontline when I used it too...it seems not to work after awhile. I think the lil buggers get immune so switching brands helps. __________________ Mom of Button's, Yogi, Mercedes & Jillian