Best dog food for a Chihuahua
A Chihuahua's food matters less for a specific magic ingredient and more for getting three practical things right: a small enough kibble size for a tiny mouth, a recipe pitched for a fast metabolism relative to their size, and attention to dental health, since this breed is especially prone to crowded teeth and gum problems.
Feeding a Chihuahua
A toy breed
An adult Chihuahua typically weighs 1–3 kg, so a healthy Chihuahua eats a small amount — often under 100g of dry food a day compared with other breeds. Every feeding guide on a bag is written per kilo of body weight, not per breed — start there, then adjust to the dog in front of you.
Life stage
A toy breed is usually done growing at 10–12 months, which is roughly when a puppy food has finished its job. With a typical lifespan of 14–16 years, there is a long adult stretch in the middle; switch to a senior food when your vet thinks it is worth it rather than on a birthday.
Small mouths, crowded teeth
Smaller breeds get dental disease more often than big ones, largely because the same number of teeth are packed into a shorter jaw. Kibble size is worth checking, and a dental chew counts towards the daily 10% of calories from treats.
How much should a Chihuahua weigh?
Adult 1–3 kgfully grown at 10–12 months
| Age | Stage | Typical weight | Of adult size |
|---|---|---|---|
| 8 weeks | Just home | 0.2–0.5 kg | 18% |
| 3 months | Young puppy | 0.3–0.9 kg | 30% |
| 6 months | Growing fast | 0.6–1.8 kg | 59% |
| 10–12 months | Fully grown | 1–3 kg | 100% |
A guide, from the same rule of thumb our puppy growth predictor uses — each age is that share of the way to maturity for a toy breed. Puppies grow fastest early, so a real puppy usually sits a little above the middle rows. Weigh yours and ask your vet if the number worries you.
Complete dog foods that suit a Chihuahua
Complete foods from our range, matched to a Chihuahua's size band and what the breed typically needs. Stock levels and delivery dates are live on each product.
Pedigree Can in Jelly Puppy 6 Pack
Complete Pedigree puppy food in jelly with chicken, lamb and poultry recipes
£10.15
Forthglade Cold Pressed Natural Turkey
Cold-pressed turkey kibble for dogs from 2 months, soft enough to mix with water for young pups
£45.99
Forthglade Cold Pressed Grain Free Chicken
Cold-pressed grain-free chicken food with fruit and botanicals, in three bag sizes
From£16.99
Forthglade Complete Meal Lightly Baked Chicken
A grain-free complete dry food for adult dogs, lightly baked and built on 50% chicken
From£12.49
Forthglade Cold Pressed Small Dog Turkey
Cold-pressed grain-free dry food for small dogs and puppies, built on turkey
£16.99
Forthglade Complete Meal Lightly Baked Lamb
A lightly baked complete dry food, 50% lamb, for adult dogs of any breed
From£12.49
Forthglade Cold Pressed Grain Free Turkey
Grain-free cold-pressed turkey kibble for dogs, gentle on sensitive stomachs
£69.69
Forthglade British Classics Chicken Family Lunch
Complete Forthglade wet dog food with 75% chicken in a 395G tray
£2.45
Harringtons Puppy Turkey & Rice
Complete turkey puppy food with 30% protein and feeding bands by adult weight
£6.49
Harringtons Adult Dog Turkey Veg
Complete dry food for adult dogs with turkey, chicken and salmon oil, 21% protein
From£3.39
Harringtons Just 6 Dry Dog Food Lamb
Grain-free lamb dry dog food in 2KG and 12KG sizes, with size-specific formulas
From£13.99
Size, metabolism and portion control
Chihuahuas are one of the smallest dog breeds, typically weighing under 3kg as adults, and small dogs generally have a faster metabolism relative to their body weight than large breeds, meaning they often need more calories per kilogram of body weight than you'd expect from their size alone. A small-breed formula, built with this in mind, is usually a better starting point than a generic adult recipe sized for a much larger dog.
Overfeeding is a real risk with a dog this small, since even a small amount of extra food or a few too many treats represents a much bigger share of their daily needs than the same amount would for a large breed. Measuring portions properly, rather than guessing, matters more here than with most dogs.
Kibble size and dental health
A Chihuahua's mouth is small and often crowded, since the breed's jaw hasn't necessarily scaled down as much as the rest of the skull, which can leave teeth close together and more prone to plaque buildup and dental disease than in larger breeds. A kibble sized specifically for small or toy breeds is genuinely easier for them to pick up and chew properly than a standard-sized biscuit.
Dental chews and regular tooth brushing are worth taking seriously for this breed specifically, given how common dental problems are reported to be in small dogs generally. It's one of the more practical, preventable things an owner can stay on top of rather than something to address only once a problem shows up.
Choosing a recipe
Beyond kibble size, look for a food pitched at small or toy breeds specifically, which typically accounts for their higher relative energy needs and is formulated with an appropriately dense calorie content for a small stomach capacity. Puppy Chihuahuas in particular need frequent small meals rather than one or two large ones, given how quickly a tiny puppy can run low on blood sugar.
As with any breed, an individual Chihuahua's needs vary with age, activity level and any health condition, so a food that suits one dog of this breed won't necessarily suit another. If you're unsure what's right for your specific dog, that's worth a conversation with your vet rather than guesswork.
Common questions
- How much should I feed a Chihuahua?
- It depends on their individual weight, age and activity level, but portion accuracy matters more for a dog this small than for a larger breed, since even small excesses represent a bigger share of their daily needs. Follow the feeding guide on your specific food and weigh portions rather than estimating.
- Do Chihuahuas need small breed dog food specifically?
- It's generally a sensible choice, since small breed recipes account for a faster relative metabolism and are usually made with a smaller kibble size that's easier for a tiny mouth to manage. A standard adult formula sized for larger dogs isn't automatically wrong, but it's a less natural fit.
- Why are Chihuahuas prone to dental problems?
- Their jaw is often small relative to the number of teeth it holds, which can leave teeth crowded and more prone to plaque buildup than in breeds with more space in the mouth. Dental chews and regular brushing are worth prioritising for this reason.
- How often should I feed a Chihuahua puppy?
- Puppies of this breed generally need more frequent, smaller meals than an adult dog, since their tiny size makes them prone to low blood sugar between meals. Your vet or the guidance on a puppy-specific food is the best place to check a suitable schedule for your individual puppy.
Related
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.