Yes they can! This is not a good sign, your cat needs to be taken to a vet immediately.
White worms in cats and dogs are probably tapeworm, which is spread by fleas.
they have worms
Cats scratch, they can contract fleas and/or worms, although most other animals can get worms and fleas as well. Cats also can vomit up fur balls. They can be lazy, don't come when called (unless you have food in your hand), don't give a heck to what you say. This is usually how cats are; they are not like dogs that can be easily trained.
Yes, cats do vomit most of the time its just a hair ball but they do vomit.
Yes, cats can vomit.
Ascariasis
Cats typically vomit after eating something bad. Another reason could be a hair ball.
No, cats cannot get worms from drinking milk.
you have serious problems
Worms eat cats that are decomposed and they take small bites of it.
One way to tell if cats have worms is by observing their feces for signs of worms, such as small white segments or grains. Other signs include weight loss, vomiting, diarrhea, and a bloated abdomen. It is important to consult a veterinarian for proper diagnosis and treatment.
All mammals can vomit if necessary.