What to feed a chihuahua
A chihuahua's diet needs to work around a genuinely tiny body, usually somewhere between one and three kilograms fully grown, which means small kibble that is easy to eat, careful portion control to avoid excess weight on such a small frame, and frequent small meals while they are puppies.
Why chihuahuas need small-breed nutrition
Small dogs have a faster metabolism relative to their size than large breeds, so a chihuahua often needs more calories per kilogram of body weight than a bigger dog would, packed into a much smaller amount of food. A food formulated for small or toy breeds is built around exactly this.
Kibble size matters more than owners sometimes expect. A chihuahua's mouth and jaw are small, and standard-sized kibble can be genuinely difficult for them to pick up and chew comfortably, which is part of why toy-breed formulas use a smaller kibble shape.
Puppies need extra care with meal timing
Chihuahua puppies, and toy breed puppies generally, are more prone than larger puppies to a drop in blood sugar between meals, particularly in the first few months. Feeding smaller amounts more often, typically three to four times a day while very young, helps guard against this.
If a chihuahua puppy ever seems unusually weak, wobbly or lethargic, treat it as urgent and offer a small amount of food or a small taste of something sugary like glucose syrup on the gums while you get them seen by a vet, since low blood sugar in a tiny puppy can become serious quickly.
Weight, dental health, and daily amounts
A small amount of extra weight makes a proportionally bigger difference on a chihuahua's frame than it would on a larger dog, so keeping treats to a genuinely small share of their daily food matters more than it might seem. Use the feeding guide on the pack as a starting point and adjust based on your dog's body condition.
Chihuahuas, like many small breeds, are prone to dental disease because their teeth are crowded into a small jaw. Regular brushing and a food or dental chew designed to help manage plaque are worth building into their routine from early on, alongside routine dental checks at the vet.
Foods that suit this breed
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Alpha Sensitive Salmon & Rice
A salmon and rice dry food for adult dogs with sensitive digestions, made without wheat gluten, soya or dairy.
£49.00
Alpha Working Dog Maintenance Chicken
An energy-controlled chicken dry food for working dogs with lower energy needs or a tendency to put on weight.
£29.00
James Wellbeloved Grain Free Senior Dry Dog Food Turkey & Veg
Grain-free turkey kibble for senior dogs, with glucosamine and chondroitin for joints
£82.35
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
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
Bakers Superfoods Chicken with Vegetables Dry Dog Food
Bakers Chicken with Vegetables dry dog food, 14kg, complete nutrition for adult dogs
£39.15
Harringtons Adult Dog Salmon & Potato
Complete salmon and potato dry dog food with 21% protein in a 1.7KG bag
£6.25
Forthglade Cold Pressed Grain Free Chicken
Cold-pressed grain-free chicken food with fruit and botanicals, in three bag sizes
From£16.99
James Wellbeloved Grain Free Adult Dry Dog Food Turkey Veg
Grain-free turkey kibble for adult dogs, evenly balanced with potato in the mix
From£12.75
Forthglade Cold Pressed Small Dog Turkey
Cold-pressed grain-free dry food for small dogs and puppies, built on turkey
£16.99
Lily's Kitchen Dog Lovely Lamb
Complete lamb-led dry dog food offered in two practical bag sizes
From£25.15
Common questions
- How many times a day should I feed a chihuahua?
- Adult chihuahuas generally do well on two meals a day, while puppies usually need three to four smaller meals until they are a few months old, because toy breeds are more prone to low blood sugar between meals when very young.
- Can chihuahuas eat the same food as a larger dog breed?
- They can, but a small or toy-breed specific food is usually a better fit, since it is formulated with smaller kibble and a calorie density suited to their faster metabolism relative to size. A generic large-breed food is not the right choice for such a small dog.
- Why are chihuahuas prone to dental problems?
- Their teeth are proportionally similar in number to a larger dog's but crowded into a much smaller jaw, which leaves less room and makes plaque build-up and misalignment more common. Regular brushing and dental-focused chews or food help manage this alongside routine vet checks.
- How do I know if my chihuahua is a healthy weight?
- You should be able to feel their ribs easily without pressing hard, and see a visible waist from above. Because a chihuahua's whole body weight is so small, even a few hundred grams too many can be significant, so a vet check at a routine visit is worth asking for if you are unsure.
Related
Sources
Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
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.