Mucus is a viscous material produced by the mucous layer of your windpipe. Its job is to lubricate your nose and throat. But, infection or some other kind of disorder causes mucus to thicken up and start accumulating in your throat.
If you do wish to give your cats milk, then you can buy lactose-free cat milk (lactose is the sugar found in milk) from your pet food store, vets or supermarket, but itâs not essential. Indeed, some cats will not drink milk at all. Read our advice about giving your cat soya milk.
Despite all the cute pictures of kittens drinking milk out of a saucer, kittens should only drink their mother's milk. Some kittens (and adult cats) are lactose-intolerant and get sick when fed cow's milk and other dairy products, says Drew Weigner, DVM, board-certified feline specialist.