Maybe because it has fleas.
If no fleas or other bugs, get to the Vet for exam for mange, as it must be determined by microscopic exam. Early diagnosis and treatment are crucial.
Your dog may be pooping more and sleeping more than usual because it is getting sick. Your dog may also just be getting old.
its sick take it to a freaking doctor
To protect your door from dog scratching, you can use a door scratch protector, train your dog not to scratch the door, provide alternative scratching surfaces, and keep your dog's nails trimmed.
If the dog is lays around for most parts of the day. If the dog drinks more water than usual. If the dog pants more and seen tired, sort of like it would look after a long run.
it makes you a buttsniffer
When a dog drools more than usual this is a sign that something is wrong. The dog may have an object lodged in his throat or he has a broken tooth that is giving him pain or discomfort. Your pet should be checked by an veterinarian. Here is a website that talks about drooling. See links below.
To prevent your dog from scratching your car door, you can use a car door protector specifically designed to prevent dog scratching. These protectors are typically made of durable materials that can withstand your dog's claws and can be easily attached to your car door to provide a barrier between your dog and the door surface.
Dogs on Lasix may urinate more frequently than usual due to the medication's diuretic effects.
Scratching a dog behind the ears indicates nothing about the dog; it only indicates something about the person who is scratching the dog. Perhaps the person is the alpha male.
You can put a door scratch guard or a transparent adhesive film on the door to prevent your dog from scratching it.
Because the cold weather makes the bladder more sensitive, and the dog will need to pee more than usual, so its more cooperative
Flea's which dog's have