When will flea medication with heartworm preventative ever be sold over the counter?

bobsmith2002

In the Brooder
May 4, 2025
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Why does flea medication with heartworm preventative always require a vet's prescription? Why can't it be sold over-the-counter at pet stores? And when will this happen in the future?
 
It doesn’t always require a prescription, but the ones that don’t are not good quality. I don’t recommend them. I don’t doubt that there is money involved, but I know that the prescription medications have a greater possibility of adverse side effects and are more controlled because of it (one reason at least)
 
It doesn’t always require a prescription, but the ones that don’t are not good quality. I don’t recommend them. I don’t doubt that there is money involved, but I know that the prescription medications have a greater possibility of adverse side effects and are more controlled because of it (one reason at least)
Just realized you specified heart worm medication. My bad. Yeah, heart worm medication is always a prescription medication. Scratch what I said earlier in my first sentence.
 
Although I also dislike having to go through a vet for heartworm medication, I've been told that it's harmful (possibly even fatal) to give those meds to a dog that already has adult heartworms.

MAYBE the reasoning is that a vet would test for heartworms before handing out the meds? My vet requires yearly heartworm testing even though my dogs are on monthly preventative.
 
I think it’s a gamble for either choice of treatment.
The slow method (HW meds) takes much longer - also slow to kill adult worms.
The fast method (a series of injections at the vet) and must keep the dog calm during total treatment and cannot excite the heart at all.
 
There's no reason heartworm medication has to be as controlled as it is. It doesn't and shouldn't be a prescription item. The exact same active ingredients can be found in over-the-counter horse medications- pyrantel and ivermectin.
 

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