Quote:
   | 
					Originally Posted by yorkieangel  3 months???? I use it every month. Now I have to go read the box. Actually I use it every 4 weeks not every months   | 
 
  Normally, I buy just enough tubes for my dogs but the vet gave me the box last time so of course, I read the entire thing and I swear it said good for 3 months.  It's been over a month for mine and they still don't have any fleas and we have them pretty bad down here.