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4 month old puppy still having accidents? What's normal and what to change

Accidents at 4 months are normal, and the most common cause is freedom that grew faster than bladder control. A 4 month old may hold it up to about 4 hours, at most, and less when active. Shorten the gaps between breaks, go back to closer supervision, and the accidents usually drop within days.

How long a 4 month old can hold it

A common guideline is about one hour for every month of age (AKC, Humane World). At 4 months that means up to about 4 hours, at most, and much less after play, meals or a drink. Some puppies need a break every time they get excited. Check your puppy's limit in the bladder calculator.

More freedom, more accidents

The AKC lists it as a classic: many owners expand access to the home too quickly. Even when your puppy seems to understand, keep the routine and supervision until the habit is firmly established. Give freedom room by room, not the whole house at once.

The gaps got longer

At 4 months it's tempting to space out the breaks. If accidents come back, Humane World's advice is simple: shorten the time between breaks. Keep the key moments: after waking up, after play, and after eating or drinking.

The same spot again and again

Repeat accidents in one place usually mean the smell is still there (AKC). Use an enzymatic cleaner, follow the product instructions, and block the spot for a few weeks.

How long the whole process takes

Housetraining typically takes 4 to 6 months, and it can vary with size, age and earlier habits (Humane World for Animals). Small breeds and puppies who had inconsistent routines before coming home often need more time. A 4 month old with some accidents is in the middle of a normal timeline.

When to call the vet

Dogs who stay hard to housetrain despite consistent training should get a veterinary evaluation (AKC). Call sooner for very frequent small pees, straining, blood in the urine or a big jump in drinking.

Related

16 week old puppy potty schedule (printable timetable) · How long can a puppy hold its pee? Free calculator by age

Questions owners ask

Is it normal for a 4 month old puppy to still have accidents?

Yes. Housetraining typically takes 4 to 6 months (Humane World for Animals). The number of accidents should go down steadily with a consistent schedule.

How often should a 4 month old puppy go out?

A 4 month old may hold it up to about 4 hours, at most, but needs extra trips after waking up, playing, eating and drinking. If accidents happen, shorten the gaps.

Why is my puppy regressing in potty training?

The usual causes are more freedom too soon, longer gaps between breaks, a change in routine, or old smells indoors. If accidents persist despite a consistent routine, see your vet.

By Gustavo Rodrigues, Moxipup. Updated October 19, 2026. Sources: AKC, ASPCA, Humane World for Animals. This is general guidance, not veterinary advice. Sudden accidents, straining or blood in the urine: call your vet.