Dog shedding: what’s normal and how to manage it
Dog shedding explained: how long seasonal shedding lasts, when hair loss signals a problem, which brush to use, and how diet affects the coat.
Quick answer
Shedding is normal: most dogs lose some hair year-round, and double-coated breeds go through two heavy sheds a year, in spring and fall, that last several weeks. During those periods, brush daily with the right tool for your dog’s coat. Bald patches, itching, scabs, or heavy dandruff aren’t normal shedding, so see your vet.
In this article
Hair on the couch, on your black pants, drifting across the floor in tumbleweeds… If you live with a dog, shedding comes with the territory. Most of the time it’s a natural, healthy process: your dog is replacing old hair to adjust to temperature and daylight. But some hair loss isn’t shedding at all. It’s a symptom of a skin problem, parasites, or a hormonal disorder.
This guide explains how shedding works, when it happens and how long it lasts for different coat types, how to tell normal shedding from abnormal hair loss, which brush to use, and what diet can and can’t do for your dog’s coat.
Why dogs shed
Every hair goes through a cycle with several phases: growth (anagen), transition (catagen), rest (telogen), and release. Because each follicle runs on its own schedule, some hairs are always falling out while others grow in, which is why nearly every dog sheds a little all year.
On top of that steady turnover come seasonal sheds, driven mainly by daylight hours (photoperiod) and, to a lesser extent, temperature:
- In spring, as days get longer, dogs drop their dense winter undercoat. This is the dramatic one, often called “blowing coat.”
- In fall, they replace the summer coat and grow a thicker undercoat for the cold.
Dogs who spend most of their time indoors, under artificial light and central heating, tend to have less defined seasons and shed more evenly throughout the year.
Some other situations cause heavy but normal shedding: the end of a heat cycle, giving birth, and nursing; the weeks after an illness, high fever, or surgery; and moments of intense stress, like a vet visit, when many dogs drop hair by the handful in a matter of minutes.
When dogs shed and how long it lasts
How much a dog sheds depends mostly on coat type. The heavy shed in double-coated dogs usually lasts several weeks, and good brushing helps the dead hair come out faster.
| Coat type | Examples | How they shed |
|---|---|---|
| Northern double coat | Siberian Husky, Alaskan Malamute, Samoyed, Akita | Two very heavy sheds a year; undercoat comes out in clumps |
| Double coat | German Shepherd, Golden Retriever, Labrador, Border Collie | Moderate shedding year-round, with spring and fall peaks |
| Short coat | Pug, Dalmatian, Beagle, French Bulldog | Constant shedding; short hairs weave into clothes and upholstery |
| Long, continuously growing hair | Yorkshire Terrier, Maltese | Minimal shedding; dead hair stays trapped and forms mats |
| Curly coat | Poodle, Bichon Frise | Barely sheds; dead hair gets caught in the curls |
| Wiry coat | Schnauzer, Westie, Wirehaired Dachshund | Low shedding; dead hair is removed by hand-stripping |
Puppies trade their puppy coat for an adult coat somewhere between about 4 and 12 months, depending on the breed. In some breeds, like the Pomeranian, that transition gives them a patchy, awkward look for a while (the so-called “puppy uglies”). And as dogs age, many develop a thinner, duller coat.
If you’re worried about allergies, keep in mind that no breed is truly hypoallergenic, since allergens are also found in saliva and dander. Our list of dog breeds that don’t shed covers the lowest-shedding options and how to care for them.
Normal shedding vs. abnormal hair loss
Normal shedding can be heavy, but it’s even, with no bald spots and healthy skin underneath. Use this table to tell the difference:
| Normal shedding | Abnormal hair loss (possible symptom) |
|---|---|
| Hair comes out evenly over the whole body | Bald patches that are localized, symmetrical, or circular |
| Healthy skin with no redness, scabs, or odor | Red skin, bumps, scabs, scales, or a bad smell |
| No itching, or mild itching while brushing | Scratching, chewing, or licking a lot |
| The coat renews itself and grows back | Hair doesn’t grow back or comes in very thin |
| Your dog’s energy and appetite are normal | Changes in weight, thirst, appetite, or energy |
The most common causes of abnormal hair loss include:
- Parasites. Fleas cause itching and hair loss, especially over the lower back and the base of the tail (see how to get rid of fleas on dogs). Mange mites cause bald patches: sarcoptic mange with intense itching on the ears, elbows, and belly; demodectic mange, more common in puppies, with bald patches around the eyes and mouth.
- Allergies, environmental or food-related, which cause itching, licking, and broken hair. Our guide to why your dog is so itchy can help you narrow things down.
- Infections. Ringworm (a fungal infection) causes round bald patches and can spread to people and other pets; bacterial infections cause pimples, crusts, and scaly rings.
- Hormonal disorders. Hypothyroidism often brings a thin coat, a “rat tail,” weight gain, and lethargy; Cushing’s disease causes symmetrical hair loss on the body, increased thirst and appetite, and a pot-bellied look.
- Licking from stress or pain focused on one spot.
- Post-clipping alopecia, especially in Northern breeds: after a shave, the coat can take many months to grow back.
Best brushes for shedding by coat type
Brushing is the single most effective way to cut down on hair around the house: whatever ends up in the brush doesn’t end up on your couch. The right tool depends on the coat:
| Coat | Main tool | Add-on | How often during a shed |
|---|---|---|---|
| Double coat | Undercoat rake | Slicker brush and metal comb | Daily or every other day |
| Short coat | Rubber curry brush or grooming mitt | Bristle brush | 2–3 times a week |
| Long coat | Soft slicker and wide-tooth comb | Pin brush | Daily |
| Curly coat | Slicker brush | Metal comb to check for mats | Daily or every other day |
| Wiry coat | Slicker and comb | Hand-stripping by a groomer | 1–2 times a week |
Bladed deshedding tools pull out a lot of undercoat, but use them sparingly: as a rule of thumb, no more than once or twice a week during shedding season, with light pressure, and never on curly or silky coats, because they can cut the hair and irritate the skin. For full technique (working in sections, from the skin out, in the direction of hair growth), see how to brush your dog.
How diet affects shedding
No diet will stop seasonal shedding, but poor nutrition definitely shows up in the coat: dull, brittle hair, flaky skin, and more shedding than normal. Hair is made almost entirely of keratin, a protein, so diet quality matters.
- A complete and balanced diet of good quality, whether commercial food or a home-cooked diet formulated by a board-certified veterinary nutritionist. If you’re unsure about your dog’s current food, see how to choose dog food.
- Omega-3 fatty acids (EPA and DHA, found in fish oil) and omega-6 fatty acids (such as linoleic acid), which support the skin barrier and a glossy coat.
- Zinc, biotin, and vitamins A and E, which complete and balanced foods already supply in adequate amounts.
- Fresh water available at all times.
Omega-3 supplements can improve skin and coat in some dogs, especially those with dry skin or allergies, but ask your vet for the right product and dose. Be patient, too: any diet change takes several weeks to show up in the coat, often 1–2 months, since that’s how long new hair takes to grow in.
Tips for managing dog hair at home
- Brush outdoors, on the patio, in the yard, or at the park, so the hair doesn’t end up all over your floors.
- Bathe your dog toward the end of a shed and dry with a high-velocity dryer: warm water and moving air help release dead undercoat. Our guide on how often to bathe a dog walks you through it.
- Protect the couch with a washable cover, and use a lint roller or a damp rubber glove on upholstery.
- Vacuum often with a pet hair attachment; if anyone in the house has allergies, a HEPA filter helps.
- Wash your dog’s bed every 1–2 weeks.
Frequently asked questions
How long does a dog’s shedding season last?
The heavy spring or fall shed in double-coated dogs usually lasts several weeks, and it can run a bit longer in Northern breeds like Huskies and Malamutes. Daily brushing with the right tool helps dead hair come out faster. If heavy shedding drags on for months or leaves thin patches, have your vet take a look.
Will shaving my dog stop the shedding?
For breeds with long, continuously growing hair, like Yorkies or Poodles, regular haircuts are part of normal care. For double-coated dogs, though, shaving doesn’t reduce shedding: the hairs that fall out are shorter, but they still fall out, and the coat can be damaged. In summer, thoroughly brushing out the undercoat works better than shaving.
Why is my dog shedding so much in winter?
In dogs who live mostly indoors, central heating and artificial light can throw off the natural cycle, so they shed in winter too. Dry indoor air also dries out the skin. If the shedding is heavy but even and the skin looks healthy, it’s usually normal; bald spots, dandruff, or itching suggest a medical cause.
Can stress make a dog lose hair?
Yes. A scare or a very stressful situation, like a car ride or a vet visit, can trigger sudden shedding within minutes, which is normal and temporary. Chronic stress, on the other hand, can lead a dog to lick or chew one spot until it’s bare, and that does need attention from your vet or a qualified behavior professional.
Is there a supplement that stops dogs from shedding?
No supplement can stop normal shedding, because it’s a natural physiological process. Omega-3s can improve skin and coat quality in dogs with dry skin or allergies, and healthier hair breaks less. Talk to your vet before starting one so you get the right product and dose for your dog.
Sources
- Merck Veterinary Manual: structure of skin and hair and causes of hair loss in dogs.
- American Kennel Club (AKC): seasonal shedding and coat care by coat type.
- WSAVA: Global Nutrition Guidelines.
- Companion Animal Parasite Council (CAPC): flea and mite control in dogs.