It's generally safe to sleep with your cat after deworming and to have them in the bedroom, provided they are in good health. While most cat parasites don't pose a significant health risk to humans, they can cause skin irritation and itching. Therefore, ensuring your cat is completely free of parasites is crucial.

After deworming, it's usually alright to sleep with your cat. Many common cat parasites, including internal parasites, external parasites like fleas, can sometimes be transmitted to humans. Although they might not cause serious health issues, these parasites can result in localized skin itching. The key is to be proactive about parasite prevention and treatment.
However, certain parasites like Toxoplasma (which causes toxoplasmosis) are zoonotic, meaning they can be transmitted from animals to humans. Regular deworming medications might not eliminate these types of parasites, which also include whipworms and coccidia. So it’s important to have your cat tested for such parasites and make sure they are parasite free before considering sleeping together. Ensuring your cat is clean and parasite-free makes it safer to share your sleeping space.
How to Know if Deworming Was Successful
Deworming medications typically target adult parasites but are less effective against eggs or larvae. Therefore, if your cat has parasites, the deworming process can take several months, and the duration varies depending on the parasite type. Regular parasite checks are also essential. For instance, if your cat has roundworms, it's often recommended to administer deworming medication for 3-5 consecutive days, followed by monthly treatments to ensure the roundworms are completely eliminated. This proactive approach will help to effectively control and prevent reinfestation of parasites in cats.