When you have welcomed the new puppy in your home then it is very important to use all the available resources for setting up the puppy for a happy and long life. This will also include getting all the recommended and required vaccinations for your puppy, initiating the preventive care, continuing on the socialization process, heartworm preventatives, and tick and flea medication and treatments. For this, you can call a free in home inspection who can guide you in this process.
Most of the tick and flea products are not safe for use on puppies. When this product has reached seven or eight weeks of age then only you can consider using this. The veterinarian will be able to recommend properly the tick and flea preventative for using and administering to the puppy.

What to do if dog or puppy has fleas
Flea treatment: According to the pet grooming Davie, Capstar is very safe and you can give it to your puppy when it is four weeks old. This medication is given in the form of a tablet for treating flea infestations. This is an active ingredient that is working only for 2 hours. It is not that preventive medication in Davie. You can always discuss with the veterinarian before offering any new medication to the dog and you can also confirm the dosage. If it is safe then only you can give it to your puppy, if not then you can look for other medication.