HELP chihuahua puppy ate YELLOW PAINT

Raffy my chihuahua puppy ATE YELLOW PAINT !

I was painting with yellow paint outside, and somehow my 4 month old chihuahua puppy (male) got outside and when I turned around he just took one massive lick at the blob of yellow paint, WHAT DO I DO? Humans themselves shouldn't eat paint.
Inside his mouth was yellow until he swallowed it. I managed to rinse his mouth out with water though. He seems fine, after all its only been 10 minutes since his encounter with paint. Should I do something? Anything I should be aware of? Can he still eat and drink? PLEASE HELP!
-Thanks SO much guys, paws up.

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