[kydsid]

I've used trifexis for several years. It's prescription only. We are moving away from it though because it's so hard of a pill to get our dog to take. It's large and smell weird even to humans. Our dog has become increasingly stubborn about taking it as he ages

I can't help with the rest of your needs if you natural products. However I am a licensed pest applicator and if you want info I what I use in my own home feel free to PM me.