I'm sure she'll be fine tonight. Try to relax and get some rest. Let us know what the dr says.
Side Effects
Side effects of Metacam most commonly include stomach upset, kidney or liver malfunction and abdominal bleeding. Side effects may be mild and often temporary, like nausea, vomiting and diarrhea. Always call your veterinarian if you notice your dog becoming lethargic, unwilling to eat or showing the above symptoms for more than a day.
Read more: What are the Side Effects of Metacam in Dogs? | eHow.com
What are the Side Effects of Metacam in Dogs? | eHow.com