What drugs are used for external parasite control in puppies?

External parasite control in puppies mainly involves the use of drugs containing ingredients such as non-pyrrolidine and selenium sulfide. Before using the drugs, the weight of the puppy should be measured, and then the medication should be given according to the corresponding weight. The method of using external parasite control drugs is to apply them directly to the skin surface. These drugs are mainly absorbed through the sebaceous glands and can last for about a month.

Puppies are easily infected by common external parasites such as fleas and lice, especially when environmental hygiene is not paid attention to or the mother dog is infected with related external parasites. External parasite control in puppies mainly uses drugs containing non-pyrrolidine, selenium sulfide, and other ingredients. Among them, external parasite control drugs containing selenium sulfide have a lower irritant effect on puppies and are generally preferred for puppies. Before using the drugs, the weight of the puppy should be measured to avoid overdose.同时，不建议在没有资质的网络店铺购买相关的驱虫药物，以免买到假冒伪劣产品，进而威胁幼犬的健康。

External parasite control drugs are mainly skin drops, which are easy to use. The drug can be directly applied to the puppy's head, neck, and other areas. Before use, the hair should be parted to directly apply the drug to the skin. If a large amount of drug remains on the hair, it will affect the parasite control effect. It should be noted that bathing the dog before use should be avoided to prevent affecting the absorption of the drug.同时，用药后1-2天也不建议给狗狗洗澡。

Finally, the frequency of external parasite control in puppies is once a month, and after adulthood, it can be reduced to once or twice a month or every three months. The specific parasite control frequency depends on the infection status of the dog and the ambient temperature. For example, when the ambient temperature is high, parasites are very active, and it is recommended to appropriately increase the parasite control frequency.