It's that time of year. Fur on the sofa, fur on your clothes, fur tumbleweeds drifting across the kitchen floor. Sound familiar?

Most of the time, this is completely normal. Dogs shed their winter coat to prepare for warmer weather. It's biology doing exactly what it should.

But sometimes shedding isn't seasonal. It's a signal. And what looks like a simple coat problem often starts somewhere you can't see: the gut, the skin barrier, or both.

Here's how to tell the difference.

What normal spring shedding looks like

Before you worry, here's what healthy seasonal shedding typically involves:

• Timing. Late winter through spring, usually February to May in the UK.
• Pattern. Even shedding across the body. No patches, no bald spots.
• New growth. The fur coming through looks healthy and shiny.
• Skin underneath. Pink, clean, calm. No redness, no flaking.
• Behaviour. Your dog isn't bothered. No scratching, no licking, no chewing.
• Duration. 2-4 weeks of heavy shedding, then it settles down.

How breed and coat type affect shedding

Not all dogs shed the same way. Breed and coat type make a significant difference to what "normal" looks like for your dog.

Double-coated breeds

Breeds like Huskies, German Shepherds, Golden Retrievers, and Labradors have two layers: a dense undercoat for insulation and a longer topcoat for protection. These dogs "blow" their coat seasonally, often dramatically. Clumps of fluff, tumbleweeds of fur, enough hair to build another dog. This is normal for them, even if it looks alarming.

Double-coated breeds typically shed heavily twice a year (spring and autumn) with lighter shedding between. Daily brushing during coat blow helps move the old undercoat out and prevents matting.

Single-coated breeds

Breeds like Poodles, Maltese, Bichons, and many terriers have a single coat without the dense undercoat. They shed less overall but still lose hair gradually. Because the hair is often longer and curlier, shed fur tends to get trapped in the coat rather than falling out, which is why regular grooming is essential to prevent mats.

Single-coated breeds may not have obvious seasonal shedding cycles, but they still lose and replace hair continuously.

Short-coated breeds

Breeds like Beagles, Boxers, Dalmatians, and Pugs have short, dense coats that shed consistently year-round. The hairs are small but numerous. You may not see dramatic seasonal changes, but you will find short hairs on everything, always.

Short-coated breeds benefit from regular brushing to remove loose hair and distribute skin oils, even though their grooming needs seem minimal.

Wire-coated breeds

Breeds like Wire Fox Terriers, Schnauzers, and Border Terriers have coarse, bristly coats that don't shed in the traditional sense. Instead, the dead hair stays in the follicle until it's stripped or plucked out. These breeds need hand-stripping or professional grooming to maintain coat health.

If a wire-coated dog is shedding noticeably, something may be off. It's not typical for the coat type.

The warning signs that something else is going on

Seasonal shedding has a pattern. It's predictable, even, and your dog doesn't seem to notice it's happening. When something else is going on, the picture looks different.

Watch for these signs:

• Patches or bald spots. Normal shedding is even. Missing chunks of fur suggests something localised.
• Excessive scratching, licking, or chewing. Seasonal shedding doesn't itch. If they're bothered, their skin is telling you something.
• Red, inflamed, or flaky skin. Lift the fur and look underneath. Healthy skin is calm and pink, not angry.
• Dull, dry, or brittle coat. The new fur should look good. If it's lacklustre or breaks easily, something's missing.
• Shedding that doesn't stop. Spring shedding has an endpoint. Year-round shedding suggests something systemic.
• Greasy or smelly coat. Often a sign of skin barrier dysfunction or yeast overgrowth.
• Slow regrowth. After shedding or clipping, healthy coats bounce back. Sluggish regrowth points to nutritional gaps.

Understanding the skin barrier

Most owners think of skin as just skin. But it's actually your dog's largest organ and their first line of defence against the outside world.

What the skin barrier does

• Keeps moisture in. Preventing dryness, flaking, and brittleness.
• Keeps irritants out. Pollen, bacteria, allergens, environmental toxins.
• Regulates immune responses. A healthy barrier means less reactivity to minor triggers.
• Supports coat growth. Healthy fur starts at the follicle, which sits in the skin.

When the barrier is compromised

A weakened skin barrier can't do its job properly. Moisture escapes. Irritants get in. The immune system starts overreacting to things it should ignore.

What you see on the surface: dry skin, flaking, itching, dull coat, slow regrowth, increased sensitivity to things that didn't bother them before.

The gut-skin connection

Here's what most owners don't realise: skin problems often begin in the gut.

It sounds counterintuitive. But the connection is well established in veterinary science. When gut health is off, skin and coat are often the first places it shows.

How it works

• Immune system link. 70-80% of the immune system lives in the gut. When the gut is imbalanced, immune responses become dysregulated. The skin, as a highly reactive organ, often bears the brunt.
• Nutrient absorption. A compromised gut can't absorb nutrients properly. Even high-quality food won't help if it's not being processed effectively. The coat needs zinc, biotin, omega fatty acids, and amino acids. If absorption is poor, deficiencies show up as dull fur, slow growth, and weak skin.
• Systemic inflammation. Gut inflammation doesn't stay in the gut. It triggers inflammatory responses throughout the body. For many dogs, this manifests as itchy, reactive skin.
• Microbiome balance. The gut microbiome influences everything from immune function to inflammatory responses. Dysbiosis (microbial imbalance) is linked to increased allergic sensitivity and skin reactivity.

What you might see

Dogs with gut-related skin issues often show a pattern:

• Itchy skin with no obvious external cause
• Recurring ear infections
• Paw licking and chewing
• Dull coat despite apparently good nutrition
• Digestive inconsistency alongside skin symptoms

What supports gut health

A healthy gut microbiome needs the right inputs. Here's what makes a difference:

• Prebiotics. Fibres that feed beneficial gut bacteria, helping them thrive and outcompete harmful strains. Think of them as fertiliser for the good microbes.
• Probiotics. Live beneficial bacteria that help restore and maintain microbial balance. Different strains support different functions, from digestion to immune modulation.
• Postbiotics. The beneficial compounds produced when probiotics break down prebiotics. These include short-chain fatty acids that support gut barrier integrity and reduce inflammation.
• Dietary fibre. Supports healthy digestion and regular bowel movements. A well-functioning digestive system absorbs nutrients more effectively.

Nourishing the skin barrier from within

The skin barrier isn't just protected by what you put on it. It's built by what goes into your dog's body. Certain nutrients are essential for maintaining barrier integrity and supporting healthy coat growth.

The building blocks

• Omega-3 fatty acids (EPA & DHA). The foundation of skin health. Omega-3s reduce inflammation, support cell membrane integrity, and help the skin retain moisture. Most dogs don't get enough from standard food.
• Omega-6 fatty acids. Important for skin structure, but need to be balanced with omega-3s. Processed foods tend to be heavily weighted toward omega-6, which can promote inflammation when out of balance.
• Zinc. Essential for skin cell renewal and barrier repair. Low zinc shows up as slow healing and dull coat.
• Biotin. Supports keratin production, the protein that makes up both fur and skin. Deficiency appears as brittle coat and flaky skin.
• Vitamin E. Antioxidant protection for skin cells. Helps prevent damage from environmental stressors.
• Quality protein. Amino acids are the raw materials for skin and coat. Without adequate protein, the body can't build what it needs.

Think of it this way: the skin and coat your dog has today were built from the nutrients they consumed weeks and months ago. What you feed them now becomes their future coat.

The role of diet

Nutrition is foundational. If the raw materials aren't there, the skin can't maintain itself properly and the coat can't grow as it should.

Common dietary factors in skin issues

• Low-quality protein sources. Meat meals and by-products don't provide the same amino acid profile as whole proteins.
• Omega-3 deficiency. Most commercial foods are heavily weighted toward omega-6. Without supplementation, omega-3 intake is often inadequate.
• Filler-heavy formulas. Wheat, corn, and soy provide calories but limited nutritional value for skin health.
• Food sensitivities. Some dogs react to common proteins like chicken or beef. Chronic low-grade inflammation from food sensitivity often shows up in the skin first.

Signs that diet might be a factor

• Year-round shedding or itching (not seasonal)
• Ear problems that keep recurring
• Digestive issues alongside coat problems
• Coat that never quite looks right despite other care being good

Sometimes the most impactful thing you can do for your dog's coat is take a closer look at what's in the bowl.

What you can do

Most spring shedding is exactly what it looks like: a dog doing what dogs do. A few weeks of extra fur, then back to normal.

But if something feels off, trust your instincts. You know your dog better than anyone.

Skin and coat health starts on the inside. A balanced gut, the right nutrients, and a strong skin barrier work together to keep your dog looking and feeling their best. When those foundations are solid, normal shedding stays normal, and you can tell the difference when it's not.