Are there other conditions that could be caused by heartworms?

Are there other conditions that could be caused by heartworms? - Prestige Animal Hospital

As we said, inflammatory conditions of the lungs. That's the number one in cats is that, yes, it's a worm that may live in the heart, but it causes severe inflammation, respiratory signs in the lungs.

Are there other conditions that could be caused by heartworms? - Loch Haven Veterinary Hospital

Yes, in cats, heartworms can actually cause sudden death because they cause a lot of inflammation in the heart which can make the heart stop.