If the Coat Isn't Fully Dry, Will He Get Sick?

A coat left damp to the skin mats, turns musty within a day, and keeps the skin wet enough to irritate. Whether he gets ill is a medical question — if he runs a fever, goes flat or stops eating after a bath, that's a vet, today.

Two questions, asked as one

What gets typed at midnight is really two separate questions arriving together.

The first: what happens to the coat and skin if they stay damp? That one has a clear answer.

The second: will he get sick? That one is medical, and it isn't a question a company that sells shampoo should be answering.

So here's the first in full detail, and an honest handover on the second.

What definitely happens

The coat mats. Damp hair clings to itself more readily, and once he curls up and lies on it, it compresses into sheets.

A musty smell arrives within a day or two. It's the same smell as laundry folded away before it finished drying — nothing like the smell of an animal.

Skin kept damp for hours starts to get irritated. The usual places are the belly and the base of the tail, because those dry slowest and stay pressed against something.

None of that is speculation. It happens every time.

And the part that isn't ours

If he has a fever after a bath, seems unusually flat, or won't eat, that's a clinic visit the same day.

Don't keep searching. Don't give it one more night. And nobody on the internet, this page included, can tell you it's nothing.

It may be connected to the bath or it may be coincidence. The person who can tell the difference is the one who can examine him.

The outer coat lies to your hand

This is why people who fully intend to dry their dog still don't.

The outer coat dries fast. You run your hand over him, it feels dry, the dryer goes off — and the undercoat is still wet. Every double-coated dog does this to its owner.

The check that works is to part the fur with your fingers down to the skin in three or four places: back of the neck, belly, base of the tail. Then touch the roots with the back of your hand.

Cool and damp means you're not finished. Warm and dry means you are.

Dry the same way you check. Part the coat with your free hand and aim at the skin, rather than across the surface.

The three slowest places

The belly, the armpits, and between the toes.

Those three are behind nearly every musty smell, and they're the three a dryer reaches worst because the angles are awkward.

Between the toes is the most forgotten of all, even though he walks straight onto a wet floor the moment he's released. Dry each gap with the corner of a towel before he leaves the bathroom.

If you don't have a dryer

Two more rounds with dry towels, and swap once the first is saturated. Most people use one towel until the dog is merely damp and stop there, when a second would still pull out a surprising amount.

Then brush until the hairs separate. Separated hair dries far faster than hair stuck together.

Keep him in a warm room with no draught. Don't point a fan at him, and don't let him curl up on his bed while he's still damp.

The simplest fix is a scheduling one

Bathe him in the morning.

It sounds too easy, and it resolves the entire question in one move. A morning bath gives him the whole day to finish drying on his own, so even an imperfect session has hours to make up the difference.

Evening baths are fine if you commit to drying properly. A late bath followed straight by bed, still damp, is the one case genuinely worth avoiding.

On a week when you get home too late to dry him, skip the bath and spot-clean with a dry shampoo foam instead. That beats a bath left damp overnight.

The five minutes after the tap goes off — towelling, drying, brushing — are written up here, and the smell that follows a damp coat has its own post.

Three more minutes with the dryer now saves twenty minutes with a comb next week.