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Originally Posted by YorkieLover9 Okay, I have a stupid question. At what age do they start taking heartworm medicine. My pup is 15 weeks old yesterday and I've never given him anything for heartworms. |
My vet just spoke to me about heartworm pill last weekend. She said that puppies can start anytime between 3-4mths. Try not to start later than 6 mths.