I am taking my dog benji to the vets tonight, he is 18 years old. Lately he has been losing weight gradually and has had a tremor. Some of you may remember me saying that he had a lump in his throat, which had thankfully disappeared. However he has gone off his food is drinking very little and walks round with his head down. Hopefully this is just a phase hes going through but we are preparing for the worst. Please send us your luck. thankyou