If your dog is scratching on repeat or your cat is grooming bald patches, you naturally want to help them feel more comfortable. The best skin and allergy supplement for dogs and cats should provide nutrients that support the skin barrier, coat condition, immune function and the body’s normal inflammatory response. PetWell Relief does exactly that with omega-3s, zinc, antioxidants and carefully selected botanicals in one natural daily formula.
Signs of Skin Allergies in Dogs and Cats
Skin trouble can look different depending on the pet. Dogs often lick or chew their paws, rub their face, scratch their ears or develop redness around the belly and groin. Cats can be a little more covert, classic cat behaviour and may over-groom, develop bald patches, scratch around the head and neck, or show scabs and flaky skin.
- persistent scratching, licking, chewing or over-grooming
- red, inflamed, scaly or flaky skin
- hair loss, thinning fur or a dull coat
- recurring ear irritation, odour or discharge
- vomiting, diarrhoea or gas alongside skin symptoms
These signs do not automatically mean an allergy. Fleas, mites, bacterial or yeast infections and other health conditions can look frustratingly similar.
Food or Environmental Allergies?
Environmental allergies may be triggered by pollen, grasses, mould or dust mites and can flare seasonally or persist year-round. Flea saliva is another common trigger. Food allergies can also affect the skin and may be accompanied by digestive upset, but symptoms alone cannot tell you which ingredient is responsible.
The reliable way to confirm a food allergy is a veterinarian-guided elimination diet followed by a controlled food challenge, according to the Merck Veterinary Manual. During that trial, every treat and supplement matters.
What Makes a Good Skin and Allergy Supplement?
A quality skin and allergy supplement should be made specifically for pets, clearly disclose its ingredients, provide directions based on body weight and focus on nutritional support rather than promising to cure allergies. Useful nutrients may include marine omega-3s for skin hydration and coat quality, zinc for normal skin integrity, antioxidants and ingredients that support immune function.
The best choice also has to be one your pet will actually take. A brilliant formula left sulking in the cupboard is not doing much for anyone.
Why Choose PetWell Relief?
PetWell Relief brings several areas of skin and coat support into one formula instead of relying on a single headline ingredient.
Skin Barrier and Coat Support
New Zealand green-lipped mussel provides naturally occurring marine omega-3 fatty acids to support skin hydration and coat shine. Oyster extract supplies zinc, an essential nutrient for normal skin and coat health, while wheatgrass, barley grass and moringa contribute vitamins, phytonutrients and antioxidants.
Skin Comfort and Inflammatory Support
Turmeric contains curcumin, an antioxidant that helps support the body’s normal inflammatory processes. Nettle leaf contains plant compounds traditionally used to support skin comfort, while black pepper provides piperine, which may assist the absorption of curcumin.
Immune and Antioxidant Support
Spirulina, shiitake mushroom and beetroot provide naturally occurring nutrients and antioxidants. Shiitake also contains beta-glucans that support normal immune health. Burdock root adds inulin and antioxidant compounds that help round out the formula.
These ingredients provide nutritional and traditional-use support; they are not the same as veterinary antihistamines or prescribed allergy treatment. That distinction is important - natural should still mean honest.
Why Gut Health Matters
The gut, immune system and skin are connected through nutrient absorption, the microbiome and immune signalling. That does not mean every itch begins in the gut, but supporting digestive health can help build a stronger overall wellness foundation.
For pets that also experience sensitive digestion or inconsistent stools, PetWell Digest can be used alongside Relief to support digestion, microbiome balance, nutrient uptake and normal immune function. Introduce one new supplement at a time so you can see how your pet responds.
Powder or Functional Treat?
Relief is available in two easy forms. The powder mixes into daily meals and allows precise dosing according to your pet’s weight. Relief + Venison functional treats contain the same active blend infused into freeze-dried venison, making them a handy option for fussy pets or treat-loving households.
All PetWell supplement are made in Australia with human-grade ingredients, Relief is formulated by an animal naturopath, vet-reviewed and suitable for dogs and cats over 12 weeks.
Other Ways to Support Healthy Skin
Supplements work best as one part of the bigger picture. Keep flea and parasite prevention current, feed a complete and balanced diet, wash bedding regularly and use a gentle pet shampoo when recommended. For pets affected by outdoor triggers, wiping paws and coats after walks can help reduce what they carry back inside.
See your vet if itching is persistent, your pet has open sores, a strong skin or ear odour, discharge, swelling, pain or repeated infections. Sudden facial swelling, collapse or difficulty breathing is an emergency and needs immediate veterinary attention.
FAQ’s
Can a supplement cure my pet’s allergies?
No. Supplements can support skin, coat and immune health, but they cannot identify or remove an allergen. Veterinary diagnosis or treatment may still be needed.
Is PetWell Relief safe for cats?
Yes. RELIEF is formulated for dogs and cats over 12 weeks, with dosing based on body weight. Check with your vet first if your cat has a medical condition, takes medication, is pregnant or is nursing.
What is the best supplement for itchy skin?
Choose a pet-specific formula with transparent ingredients, weight-based directions and skin-supporting nutrients. Because the right choice depends on the cause, persistent itching should be checked by a vet.
Disclaimer: The entire contents of PetWell emails and website are not to be taken as medical advice. The team at Pet Squad Pty Ltd trading as PetWell encourages you to make your own pet health care decisions based on your research and in partnership with a qualified pet healthcare professional.
Posted By Ayda Hornak - Trained in Canine Phycology and Natural Animal Nutrition Care. Originally published July 2025. Substantially updated September 2026.

1 comment
I have a English Staffie 5 years we are getting Cytopoint injections every 3 months for allergies ie ear infections red paws etc which product would u recommend