Visible traces of worms They may also be visible around their anus, or possibly in their bedding. Worms can be a variety of sizes; the most common worm, roundworm, can grow up to 10cm long (although you are unlikely to see one this big). Worms are usually white. Look out for whole worms, or sections of their bodies.
How do cats look when they have worms?
Often cats will show no symptoms at all, but common signs to look out for include: Increased appetite. Overly cleaning or washing the area around its bottom. Small segments of worms or rice-looking grains in the fur around the bottom.
Can cats have worms without seeing them?
The most common intestinal worms cats get are called roundworms and tapeworms. Most infected cats do not show signs of having worms; however, heavy burdens of worms can cause weight loss, vomiting and diarrhoea, irritation around the anus and failure to thrive.
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