By Sharon Billings, CVT Associate Veterinary Information Specialist at Pet Poison Helpline® In April of this year, Pet Poison Helpline®’s CVT Darlene Hanenburg wrote an excellent blog article regarding things you should know about flea and tick topical solutions (read Darlene’s original blog post here: http://petpoisonhelp.wpengine.com/2014/04/four-things-know-flea-tick-topical-solutions/). In this blog post we will build on that…