Puppy Care

Complete List of Vaccinations for Puppies: A Week-by-Week Schedule

A detailed list of vaccinations for puppies with week-by-week timing, feeding schedules, potty training timelines, socialization checklists, and first-year costs.

By Dr. Hannah Wickes · Published 10 September 2026
Complete List of Vaccinations for Puppies: A Week-by-Week Schedule

Bringing a new puppy home is thrilling — and overwhelming. Between figuring out what to feed, when to start training, and decoding the list of vaccinations for puppies your vet hands you, the first six months can feel like a crash course in canine care. This guide consolidates every major milestone into one reference: vaccine timing with exact week ranges, portion-controlled feeding tables, realistic potty training expectations, and the critical socialization window you cannot afford to miss.

Because puppy care advice varies wildly online, every recommendation below aligns with guidelines from the American Veterinary Medical Association (AVMA), the American Kennel Club (AKC), and the Merck Veterinary Manual. Always consult your veterinarian to tailor these schedules to your puppy's breed, size, and regional disease risks.

When Should I Bring My Puppy Home?

The consensus among veterinary behaviorists and the AKC is clear: puppies should stay with their littermates and dam until at least 8 weeks of age. Some breeders of toy breeds (Chihuahuas, Yorkshire Terriers, Pomeranians) keep puppies until 10–12 weeks because smaller dogs mature more slowly and are more fragile during the transition.

Why does this matter? Weeks 4–8 are when puppies learn bite inhibition from siblings, develop early social skills, and receive maternal antibodies through their mother's milk. Removing a puppy before 7 weeks correlates with higher rates of fear-based behaviors, resource guarding, and difficulty settling in new environments, according to research published in the Journal of Veterinary Behavior.

Ideal Pickup Window by Breed Size:
  • Large/giant breeds (Labradors, German Shepherds, Great Danes): 8 weeks
  • Medium breeds (Beagles, Cocker Spaniels, Border Collies): 8 weeks
  • Small breeds (French Bulldogs, Cavalier King Charles Spaniels): 8–10 weeks
  • Toy breeds (Chihuahuas, Pomeranians, Maltese): 10–12 weeks

The Complete List of Vaccinations for Puppies: Week-by-Week Schedule

Core vaccines protect against diseases with high mortality rates or widespread prevalence. Non-core (lifestyle) vaccines are recommended based on your puppy's exposure risk — boarding facilities, dog parks, grooming salons, and regional tick or leptospirosis prevalence all factor in.

Puppy Vaccination Schedule by Age
Age (Weeks) Vaccine Type Notes
6–8 DHPP (Distemper, Hepatitis/Adenovirus, Parainfluenza, Parvovirus) — 1st dose Core Maternal antibodies may interfere; booster required
6–8 Bordetella (Kennel Cough) — optional 1st dose Non-core Recommended if attending puppy classes or boarding
10–12 DHPP — 2nd dose Core Strengthens immunity as maternal antibodies wane
10–12 Leptospirosis — 1st dose (risk-dependent) Non-core Recommended in areas with wildlife exposure or standing water
10–12 Lyme disease — 1st dose (risk-dependent) Non-core Tick-endemic regions (Northeast, Upper Midwest, Pacific Coast)
14–16 DHPP — 3rd dose Core Critical final puppy booster; immunity typically established 2 weeks after
14–16 Leptospirosis — 2nd dose Non-core Booster completes initial series
14–16 Lyme disease — 2nd dose Non-core Booster completes initial series
12–16 Rabies — single dose Core (legal requirement) Timing varies by state law; typically given at 12–16 weeks
6–12 months DHPP — 1-year booster Core Then every 3 years per AAHA guidelines
6–12 months Rabies — 1-year booster Core Then every 1–3 years depending on local law
Cost Expectations (2026 estimates):
  • DHPP per dose: $25–$45
  • Rabies vaccine: $20–$35
  • Bordetella: $20–$35
  • Leptospirosis or Lyme (per dose): $25–$40
  • Full puppy vaccine series (3 DHPP + rabies + exam fees): $200–$450 total

Low-cost vaccine clinics (often hosted by shelters or pet supply stores) can reduce total costs by 40–60%. Check with your local humane society or ASPCA mobile clinic.

When Can My Puppy Go Outside and Meet Other Dogs?

This is where veterinary caution and behavioral science collide. Your puppy is not fully protected until approximately 2 weeks after the final DHPP booster — typically around 18 weeks of age. However, the primary socialization window closes between 12–14 weeks.

The solution, endorsed by the AVMA and the American Veterinary Society of Animal Behavior (AVSAB): carry your puppy to controlled environments, attend puppy socialization classes that require proof of at least one DHPP dose, and arrange playdates with fully vaccinated, known-healthy dogs in private yards. Avoid dog parks, pet store floors, and high-traffic public areas until the full series is complete.

Age-Specific Puppy Milestones: What to Expect Month by Month

Weeks 4–8: Litter Life and Weaning

Development: Eyes and ears fully functional. Learning bite inhibition from siblings. Transitioning from mother's milk to softened puppy kibble. First deworming typically at 2, 4, 6, and 8 weeks.

Your role: If you're the breeder or fostering, handle puppies daily for 10–15 minutes to build human-socialization foundations. Introduce varied textures (tile, carpet, grass) and novel sounds (vacuum, doorbell) at low volume.

Weeks 8–12: Home Transition and Bonding

Development: Fear imprint period (8–11 weeks) — traumatic experiences during this window can create lasting phobias. Rapid brain development. Bladder capacity roughly 1 hour per month of age (a 2-month puppy can hold it ~2 hours max).

Your role: Keep introductions calm. Begin crate training immediately. Schedule first vet visit within 48–72 hours of pickup. Start basic name recognition and "sit" using treat luring.

Weeks 12–16: Confidence Building

Development: Second fear period may emerge around 12 weeks. Puppy begins testing boundaries. Adult teeth start erupting around 14–16 weeks. Independence increases.

Your role: Enroll in positive-reinforcement puppy kindergarten. Practice handling exercises (ear touching, paw handling, mouth opening) to prepare for grooming and vet exams. Increase socialization complexity.

Weeks 16–24: Adolescence Begins

Development: Adult teeth fully in by 6–7 months. Growth plates still open (especially in large breeds — avoid forced running or jumping until cleared by your vet). Sexual maturity approaching; discuss spay/neuter timing with your vet (current evidence supports 6 months for small breeds, 12–18 months for large breeds to reduce orthopedic risks).

Your role: Increase exercise duration. Introduce impulse-control games (wait at doors, leave-it). Begin leash manners training. Expect some regression in previously learned behaviors — this is normal.

6–12 Months: Teenage Phase

Development: Peak energy and curiosity. Hormonal surges if intact. Social dynamics shift — some puppies become more selective with dog playmates. Large breeds continue growing until 18–24 months.

Your role: Maintain training consistency. Consider intermediate obedience or sport classes (agility foundations, rally). Transition to adult food at breed-appropriate age (small breeds: 9–12 months; large breeds: 12–18 months).

Feeding Schedule: Exact Portions by Age and Weight

Puppies need more calories per pound of body weight than adults, but overfeeding — especially in large breeds — accelerates growth and increases hip dysplasia and osteochondrosis risk. Use the table below as a starting point, then adjust based on body condition score (BCS). You should be able to feel (but not prominently see) your puppy's ribs, and a visible waist should appear when viewed from above.

Puppy Feeding Guide by Age and Estimated Adult Weight
Age Meals/Day Small Breed (10–25 lb adult) Medium Breed (25–60 lb adult) Large Breed (60–100+ lb adult)
8–12 weeks 4 ¼–½ cup per meal ½–¾ cup per meal ¾–1¼ cups per meal
3–6 months 3 ⅓–⅔ cup per meal ¾–1¼ cups per meal 1–2 cups per meal
6–12 months 2 ½–¾ cup per meal 1–2 cups per meal 2–3½ cups per meal

Key feeding rules:

  • Choose a food with an AAFCO statement confirming "complete and balanced" for growth or all life stages.
  • Large-breed puppies (expected adult weight over 70 lb / 32 kg) must eat a formula labeled for "large-breed growth" — these contain controlled calcium and phosphorus ratios (calcium 1.0–1.6% on a dry matter basis) to prevent developmental orthopedic disease.
  • Measure food with a standard 8-oz measuring cup, not by eye. A study by the FDA found that estimating portions leads to 20–50% overfeeding on average.
  • Remove uneaten food after 15–20 minutes to establish meal routines and monitor appetite changes (a sudden drop in eating warrants a vet call).

Potty Training Timeline: Realistic Expectations and Troubleshooting

Let's set the record straight: most puppies are not reliably house-trained until 4–6 months of age, and some small breeds take up to 8–10 months due to smaller bladder capacity and higher metabolism. Anyone promising 3-day potty training is selling you unrealistic expectations.

Bladder Capacity Rule of Thumb: A puppy can hold urine for approximately 1 hour per month of age, plus 1 hour. A 3-month-old puppy: ~4 hours maximum. Overnight, puppies can stretch slightly longer because metabolism slows during sleep.

Potty Training Progression

Potty Training Log Template
Age Outdoor Trips/Day Expected Accidents/Week Key Strategy
8–10 weeks 12–15 5–10 Take out every 30–60 minutes during the day; immediately after eating, waking, playing. Use a consistent cue word ("go potty"). Reward with a treat within 3 seconds of finishing.
10–14 weeks 8–12 2–5 Begin extending intervals to 90 minutes. Supervise 100% indoors — use a tether or exercise pen if you can't watch closely. Interrupt accidents calmly (clap once, carry outside).
14–20 weeks 6–8 0–2 Puppy should start signaling (whining, pacing, going to the door). Gradually grant more indoor freedom only after 2+ accident-free weeks.
5–6 months 4–6 0–1 Reliability improving. Continue praising outdoor elimination. Never punish accidents found after the fact — dogs cannot connect delayed punishment with the action.

Common troubleshooting:

  • Puppy pees inside 5 minutes after coming in: The bladder wasn't fully emptied. Wait longer outside. Walk to a new spot — movement stimulates elimination.
  • Regression at 4–5 months: Often coincides with teething distraction or a fear period. Return to higher-frequency trips and closer supervision for 1–2 weeks.
  • Submissive/excitement urination: Common in young dogs. Greet calmly, avoid towering over the puppy, and take them outside immediately upon your arrival home.

Socialization Window (Weeks 3–14): Your Checklist

The primary socialization period — when puppies form lasting impressions about what is "safe" in the world — peaks between 3 and 12 weeks and largely closes by 14 weeks. According to the American Veterinary Society of Animal Behavior, inadequate socialization is a leading cause of behavioral relinquishment to shelters.

The goal is positive, controlled exposure — not overwhelming your puppy. Watch for stress signals (tucked tail, lip licking, yawning, freezing) and let your puppy approach new things at their own pace. Pair every new experience with treats or play.

Socialization Exposure Checklist (Aim for variety, not volume):
  • Surfaces: Grass, gravel, tile, wood floor, metal grate, sand, wet pavement, tarp/plastic sheet
  • People: Children (supervised), elderly individuals, people wearing hats/sunglasses/masks, people using mobility aids (wheelchair, cane, crutches), tall people, delivery workers
  • Sounds: Vacuum cleaner (start at low volume from another room), thunderstorm recordings, fireworks recordings, doorbell, car horns, construction noise, hair dryer
  • Objects: Umbrellas opening, trash cans, bicycles, skateboards, plastic bags blowing, balloons, lawn mower
  • Animals: Fully vaccinated adult dogs (known temperament), cats (controlled introduction), livestock if accessible (from a safe distance)
  • Handling: Nail trimming practice, ear cleaning simulation, tooth brushing introduction, being held in different positions, gentle restraint
  • Environments: Car rides (short, positive — end at a fun destination), outdoor café patio, friend's house, pet-friendly store (once vaccinated), veterinary clinic (happy visits with no procedures)

Teething Timeline and Safe Relief Strategies

Puppy teething follows a predictable pattern:

  • 2–4 weeks: Deciduous (baby) teeth erupt — 28 total
  • 12–16 weeks: Baby teeth begin loosening; adult teeth push through
  • 4–6 months: Peak teething discomfort; you may find tiny teeth on the floor (most puppies swallow them — this is harmless)
  • 6–7 months: All 42 adult teeth should be in place. If baby teeth remain alongside adult teeth ("retained deciduous teeth"), your vet should extract them to prevent crowding and dental disease.

Safe chew options during teething:

  • Kong Classic (puppy rubber, pink or blue): Stuff with a smear of xylitol-free peanut butter and freeze for 2–3 hours. The cold numbs sore gums.
  • Wet washcloth twist: Soak a clean washcloth in water or low-sodium chicken broth, twist into a rope shape, and freeze. Supervise to prevent swallowing fabric.
  • Benebone Puppy or Nylabone Puppy Key Ring: Designed with softer nylon for developing teeth. Replace when worn down to small pieces.
  • Carrot sticks (frozen): A low-calorie, edible option. Supervise to prevent choking on large chunks.
Avoid: Rawhide (choking and intestinal blockage risk), antlers or weight-bearing bones (tooth fractures), ice cubes for small breeds (tooth damage risk), and any chew small enough to swallow whole. If your puppy ingests a potentially dangerous object, contact ASPCA Animal Poison Control: (888) 426-4435 (24/7, consultation fee applies).

Crate Training Progression and Time Limits

A crate should become your puppy's safe retreat, not a punishment zone. Introduce it gradually with the door open, meals inside, and high-value treats (stuffed Kong, frozen peanut butter lick mat) to build positive association.

Maximum Crate Time by Age
Age Maximum Continuous Crate Time Overnight
8–10 weeks 1–2 hours 3–4 hours (set an alarm for a potty break)
11–14 weeks 2–3 hours 4–5 hours
15–16 weeks 3–4 hours 5–6 hours
4–6 months 4–5 hours 6–8 hours
6+ months 5–6 hours (with exercise before/after) 8 hours (if house-trained)

Crate training progression:

  1. Days 1–3: Door open, meals inside, treats tossed in for the puppy to retrieve. No pressure to stay.
  2. Days 4–7: Door closed while you're in the room, starting at 1–2 minutes and building to 15–20 minutes.
  3. Week 2: Door closed while you step out of sight for 1–5 minutes. Return before the puppy panics.
  4. Weeks 3–4: Gradually extend alone time to 30 minutes, then 1 hour. Always exercise the puppy before crating.

If your puppy whines after being settled and exercised, wait 5–10 minutes before intervening (they may self-soothe). If whining escalates to panic (frantic scratching, drooling, yelping), the progression was too fast — go back a step. Never let a puppy "cry it out" for extended periods; this creates crate aversion.

Common Puppy Problems and Solutions

Puppy Biting and Nipping

Mouthing is normal puppy behavior — they explore the world with their mouths and are learning bite inhibition. Your goal is to teach that human skin is completely off-limits.

Protocol:

  1. When teeth touch skin, say "ouch" in a calm, slightly high-pitched voice (mimics littermate yelp).
  2. Immediately redirect to an appropriate chew toy.
  3. If the puppy bites again within 30 seconds, stand up and walk away for 15–30 seconds (time-out from attention).
  4. Return and resume play. Repeat consistently.

Expect biting to peak around 12–16 weeks and decrease noticeably by 5–6 months as adult teeth come in and impulse control develops. If biting is hard enough to break skin consistently past 5 months, consult a certified professional dog trainer (CPDT) or veterinary behaviorist.

Excessive Whining

Whining communicates need, anxiety, or excitement. Identify the trigger before responding:

  • Whining in the crate at night: Likely needs a potty break. Take out on-leash, boring and business-like, then return to crate.
  • Whining for attention while you're busy: Ignore completely (no eye contact, no talking). Reward the moment they settle quietly, even for 3 seconds.
  • Whining at the door: Teach a "sit to ask" behavior — sit calmly at the door before it opens.

Destructive Chewing

Puppies chew to relieve teething pain and explore. Management is more effective than correction:

  • Provide 4–6 approved chew items of varying textures, rotated weekly to maintain novelty.
  • Puppy-proof rooms by removing shoes, electrical cords, and small objects before giving freedom.
  • Use a taste deterrent (Bitter Apple spray, $8–$12) on furniture legs — test a small area first for staining.
  • Ensure adequate physical exercise (breed-appropriate) and mental enrichment (snuffle mats, food puzzles, 5-minute training sessions).

First-Year Cost Breakdown

Budgeting realistically prevents financial stress and ensures your puppy gets proper care. Costs below reflect 2026 US averages and vary by region (urban areas typically 20–40% higher than rural).

Estimated First-Year Puppy Costs
Category Low Estimate High Estimate Details
Veterinary (vaccines, exams, spay/neuter) $500 $1,200 3–4 puppy visits, vaccine series, fecal tests, heartworm prevention start, spay/neuter ($200–$600 depending on size and clinic)
Food $300 $800 Varies significantly by breed size and food quality tier. Large breeds eat 3–5× more than toy breeds.
Preventive medications $180 $400 Monthly heartworm + flea/tick prevention (e.g., Simparica Trio, NexGard, Heartgard). Year-round in most US regions.
Supplies $250 $600 Crate ($40–$120), bed, leash/harness, bowls, chew toys, puppy pads, gate, grooming tools
Training $150 $600 Puppy kindergarten ($150–$250 for 6-week group class); private sessions $75–$150/hour if needed
Pet insurance (optional) $360 $720 $30–$60/month; enrolling as a puppy locks in rates before pre-existing conditions develop
Microchip $25 $50 Often included with puppy vaccine packages or available at low-cost clinics
TOTAL $1,765 $4,370 Does not include purchase/adoption fee or emergency veterinary care

Emergency fund recommendation: Set aside $500–$1,500 specifically for unexpected illness or injury. Common puppy emergencies include foreign body ingestion ($1,500–$5,000 for surgical removal), parvovirus treatment ($1,500–$5,000+), and broken limbs from falls ($1,000–$4,000).

Frequently Asked Questions

What if my puppy misses a scheduled vaccine?

If a booster is delayed by more than 2 weeks beyond the recommended window, your veterinarian may restart the series or add an additional dose. Maternal antibody interference is the reason for the tight 2–4 week spacing between DHPP doses — stretching intervals too wide can leave immunity gaps. Contact your vet's office to reschedule as soon as possible; most clinics will accommodate a catch-up appointment within a few days.

How do I know if my puppy is eating enough?

Monitor body condition score rather than focusing solely on cup measurements. A properly fed puppy should have a visible waist when viewed from above, ribs easily felt but not prominently visible, and steady weight gain along their breed's growth curve. Your vet will plot weight at each visit. Lethargy, a pot-bellied appearance (possible parasite load), or visible spine/hip bones indicate a problem requiring veterinary evaluation.

Can I vaccinate my puppy at home?

While some states allow owners to purchase and administer certain vaccines (like DHPP) at home, this is not recommended for most puppy owners. Improper storage, incorrect injection technique, and inability to manage anaphylactic reactions (rare but possible — occurs in approximately 1 in 10,000 vaccinations) are significant risks. Rabies vaccines must be administered by a licensed veterinarian to be legally recognized. The exam that accompanies each vaccine visit also allows your vet to detect health issues early (heart murmurs, umbilical hernias, retained testicles).

When should I start heartworm prevention?

The American Heartworm Society recommends starting heartworm preventive medication by 8 weeks of age — no testing required for puppies under 7 months. Products like Heartgard Plus (ivermectin/pyrantel), Interceptor Plus, and Revolution Plus also cover intestinal parasites common in puppies. Continue year-round for life; heartworm-carrying mosquitoes exist in all 50 US states.

My puppy seems afraid of everything — is this normal?

The 8–11 week fear imprint period can make puppies suddenly wary of things they previously tolerated. This is developmental, not a sign of poor breeding (though genetics play a role in baseline temperament). Avoid forcing exposure. Let your puppy observe from a distance, pair the scary thing with high-value treats (boiled chicken, cheese), and celebrate small progress. If fear responses are extreme (shutting down completely, refusing food, trembling uncontrollably) or persist past 14 weeks, ask your vet for a referral to a veterinary behaviorist.

This guide provides general puppy care information and should not replace personalized veterinary advice. Every puppy is an individual — breed, size, health status, and regional disease risks all influence care decisions. Consult your veterinarian to build a customized plan for your puppy's first year.

Written by

Dr. Hannah Wickes

All our authors care for dogs every day — read more of their work on the authors page.