Congratulations on your new puppy or maybe you are looking into getting a puppy. Puppies need to be dewormer and 2 weeks, 4 weeks, 6 weeks, and 9 weeks. Puppies get a 5 in 1 Vaccine at 6 weeks, 9 weeks, 12 weeks, and 15 weeks. Puppies need to start receiving flea and tick prevention(NexGard) at 8 weeks. Puppies need to start recieving Heartworm Prevention/ Dewormer(HeartGard) at 12 weeks.