For external deworming of dogs, it is recommended to do it once a month for puppies. Adult dogs can do it once every three months, but it should be done once a month in summer because there are more parasites in the grass in summer. Pregnant dogs should have it done before pregnancy to prevent infection to puppies.

External dewormers can be divided into two types: sprays and drops. Some dewormers are used every three months. Yes, the high content of pesticides may cause unsafe conditions. Some deworming drugs are used once a month. The pesticides are moderate and mild, but they are a little troublesome. Deworming dogs is not a trivial matter. In order to reduce diseases caused by fungal infections in dogs, owners must pay more attention to it.