One: the effect of insect repellent in the body on the worm in the stomach is 100%! Metabolize about 80% after 24 hours! There is still about 20% entering the continuous function of blood decline, and it is completely metabolized in about 7 days! Whether you change your dressing or continue to use the same kind of drugs, it usually takes 7- 10 days! (For dogs, Bayer Cibarto-SmithKline Enterotoxigenic Clear is generally used.) Some drugs are continuously used for several days to strengthen and maintain the peak value of drugs. All drugs are used according to the drug instructions. Don't use it indiscriminately!
Two: under normal circumstances, you should not use any drugs (including anthelmintics) during vaccination. Puppies should be deworming for the first time every month for about 30 days to once every three months after five months. Don't just do deworming in vivo.
Three: there is also external deworming. Many diseases are transmitted by ectoparasites, and many people will suffer from it.
Generally, it is a big favor of Flynn (personal advice is that dogs hit 20). These are just drops! After dripping into several parts, the drug will enter the blood to kill ectoparasites and prevent reinfection (the effective period of prevention is 2-3 months.