It sounds like you have a wonderful vet who is really on top of the problem. It is so hard when our babies are in pain but it sounds like Bleu is in good hands and is doing great. Welcome to YT.
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"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226