what are the symptoms for sinusitis.

It's an infectious disease that causes serious illness in dogs . The disease is caused by spiral-shaped bacteria called leptospires that live in water,wet soil, Signs - fever , lethargy , loss of appetite

Please visit the emergency and get and abdominal-pelvic ultrasound done. The cyst must have ruptured.

A healthy way to loose weight by diet and exercise is to maintain the weight loss to 2-8 pounds in a month so as you do not develop weakness. If you are loosing more than that please modify your regimen and if it you are still loosing it consult a doctor