Do cats scratch their necks even when there are no worms?
Cats may scratch their necks even when they don't have parasites, for reasons such as boredom, minor wounds, or mosquito bites. If a cat's neck shows symptoms like dandruff, hair loss, itching, or rashes, it may have ringworm. In this case, the area needs to be cleaned and disinfected as soon as possible, followed by treatment.

When a cat scratches its neck, the owner can observe whether there are white dandruff or black scabs on the cat's neck. If not, the cat may simply be scratching its neck out of boredom. Alternatively, the cat may have been bitten by mosquitoes while playing, exposing its exposed skin.
When a cat has a small wound on its neck, it may scratch its neck unconsciously. At this time, the owner needs to part the cat's fur to observe carefully, and apply medicine to the cat in time to help it recover as soon as possible.
If your cat is scratching its neck, it could be a sign of ringworm. Observe for hair loss; if itching, hair loss, or rashes appear, these are signs of ringworm. In this case, you should promptly clean and disinfect the area, and then treat the condition accordingly.