The answer to 'which is worse flea or' is that fleas are generally considered worse than other common household pests. Fleas are small, fast-moving insects that can infest both pets and homes, causing a range of problems including itchy bites, skin irritation, and the potential spread of diseases. Additionally, fleas can reproduce rapidly, making them challenging to fully eliminate once they've taken hold.
In contrast, other common household pests like ants, spiders, or cockroaches, while still undesirable, generally do not pose the same level of threat or difficulty to control as a severe flea infestation. Fleas can be particularly problematic for pet owners, as they can easily spread from pets to the home environment and be difficult to eradicate completely.