Home / Training / Adolescent Dogs
Somewhere between the perfect puppy and the steady adult, most owners meet the teenager: a dog who knew everything at four months and now, at eight, appears to have traded its brain for hormones and opinions. Nothing has broken. Adolescence is a developmental stage with its own training logic, and owners who adjust to it come out the other side with the best version of their dog.
Every page in this section teaches reward-based training only. That is the position the American Veterinary Society of Animal Behavior takes for all training and behavior work: teach with rewards, and do not use punishment, physical corrections, or shock, prong or choke collars. Where a problem is beyond home training (aggression, biting, escalating guarding, reactivity that is not improving, panic when left alone, or any sudden behavior change), our pages say so and route you to a veterinarian, a board-certified veterinary behaviorist (DACVB), a Certified Applied Animal Behaviorist (CAAB), or a credentialed trainer such as a CPDT-KA. That routing is not fine print; it is part of the method.
Between roughly 4 and 18 months (later for large and giant breeds), sexual maturity arrives, confidence rises, the world gets more interesting and the handler gets less interesting, in direct competition. Behaviors rehearsed as puppies get stress-tested: recall around other dogs, greetings, leash manners, settling at home. Underneath, the brain is pruning and rewiring, which is why performance is inconsistent day to day. The stage is temporary; the habits built during it are not.
High-energy profiles (energy 5 of 5 in our data: many herding and sporting breeds, plus working athletes like the Siberian Husky) have the loudest adolescence, and their owners benefit most from the exercise-then-settle structure. Independent breeds audit their owners hardest in this stage; keep sessions short and wages high. Giant breeds stay teenagers longest and need joint-friendly everything while their growth plates finish. Stranger-wary breeds need their structured socialization maintained, not abandoned, through this stage; the social skills not rehearsed now are the ones that fade.
Roughly from 4 to 6 months until 18 months or later, sliding with size and breed: small breeds mature faster, giant breeds can be adolescents well past two years. The classic signs are selective hearing, renewed mouthing and jumping, boundary testing with other dogs, and energy that seems to double overnight.
No. The learning is intact; the performance context changed. Hormones, confidence and distraction sensitivity all spike, and cues that were fluent in the kitchen were never proofed for a brain in this state. Drop criteria, shorten sessions, go back a rung on the proofing ladder, and rebuild. Most owners who do this for a few weeks get a better adult dog than the puppy promised.
Follow the breed range in our profiles (the planner prints it), and count mental work as exercise: scent games, training itself, and chew time all spend the same budget. The mistake to avoid is escalating physical exercise endlessly to chase tiredness; you mostly build a fitter adolescent. Structure beats volume: exercise, then a settle, then calm house time.
That is a veterinary and personal decision with health trade-offs either way; it is not a training tool and does not reliably change the behaviors owners hope it will. Talk to your vet about timing for your breed and dog, and keep training regardless: adolescents of every status need the same structure.
Start with management and distance: cross the street, create space, stop rehearsing greetings on leash, and run the foundations on our reactivity program. If reactivity is new, worsening, or involves lunging and snapping, involve a credentialed professional early; adolescent reactivity is common and responds well to early, kind intervention, and poorly to punishment.