The answer to 'which is worse tick or' is that ticks are generally considered more dangerous and problematic than fleas. Ticks can transmit serious diseases like Lyme disease, while fleas are primarily a nuisance pest that can cause skin irritation and spread diseases like typhus. Ticks also tend to be more difficult to detect and remove, and their bites can go unnoticed for longer periods of time.
That said, both ticks and fleas can be significant pests that require prompt attention and effective treatment. The severity of the problem will depend on the specific situation, the location, and the susceptibility of the homeowner or pets. In general, it's best to take proactive measures to prevent and control both ticks and fleas to protect your family and home.