My dog is sick after double Heartgard & Nexgard dose. Is he okay?

Question

A few hours ago I gave my dog 1 chewable dose of Heartgard Plus along with 1 chewable Nexgard. He’s super out of it, sleepy,huddled up in his crate instead of coming to my bed like he always does. He also had diarrhea when I walked him. I checked his eyes and the white part look red and brown. His nose is really warm and dry. Then I checked the date that I took him to the vet and it was the 18th of January and they already gave him a dose there! I didn’t realize it was that recent! Is he ok?! Pet's info: Dog | Cavalier King Charles Spaniel | Male | unneutered | 1 year and 6 months old | 13 lbs

Dr. Strydom, DVM · Accepted Answer

He should be OK. Don't give him the next dose of the medications until March 1st and even then, it is best to give one drug one day, wait a few days and then give the other. Giving them at the same time may be too hard on his system.

My dog is sick after double Heartgard & Nexgard dose. Is he okay?

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