My budgie Charlie is been sick for a week or so. I took him to a vet specialised in exotic birds, he was given Karidox and Metacam for 14 days, twice a day. I started the treatment on Monday evening, he seems to get weaker and weaker. His still eating, but his symptoms are still the same, difficulty breathing, fluffed, not singing, making only a slight noise like a cry. He lost about 6g, after I give him the treatment he looks very weak, he can’t even go on the perch. But after 10-20 min he eats. I am very worried that the treatment makes him worst. Has anyone encounter this problem?