Today, I was driving with my dogs and my children noticed that our Irish Wolfhound had these ulcers on the very tip of his tongue. It's like a cluster of little white, water blisters about the size of 1/2 dime.It looks like a cold sore on his tongue. He is also drooling more than normal.
These were not present earlier this week. He is eating, drinking and behaviorally appears normal. He does not appear lethargic. I can't think of any instances where he ate anything bad or got his tongue in anything. I can't recall any significant changes to routine to induce stress.
Any idea what it is? Do I need to seek out my vet or can this resolve on his own? Should he be licking any of us?