๐Ÿ† Complete Buyer's Guide ยท Dog Food

Is Chicken Causing Your Dog’s Loose Stool? Try Salmon Instead

Does your dog have loose stools? Many sensitive stomach foods use chicken, a common allergen. See how salmon and lamb options like Purina Pro Plan Salmon & Rice can help.

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Purina Pro Plan Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food โ˜… Top Pick: Purina Pro Plan Sensitive Skin & Stomach Salmon & Rโ€ฆ Check Price on Amazon →
20-30%
Ideal protein range for sensitive stomachs
10-18%
Fat content for easy digestion
3-5%
Fiber to promote firm stool
350-450 kcal/cup
Typical calorie density
โšก Key takeaways
  • Best Overall: Purina Pro Plan Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food. This formula uses salmon as a single animal protein source, which is highly digestible and.
  • Best for Sensitive Stomach: Hill's Science Diet Sensitive Stomach & Skin Chicken & Barley Recipe Dry Dog Food. Hill's Science Diet is formulated with a blend of prebiotic fiber and easily digestible in.
  • Best Budget: Diamond Naturals Lamb Meal & Rice Formula Dry Dog Food. Diamond Naturals offers a lamb and rice formula at an affordable price without sacrificing.
  • Best for Puppies: Hill's Science Diet Puppy Sensitive Stomach & Skin Chicken & Oat Recipe Dry Dog Food. Formulated specifically for puppies with sensitive stomachs, this food uses chicken and oa.
  • Best Grain-Inclusive: Iams ProActive Health Sensitive Digestion & Skin Chicken & Rice Recipe Dry Dog Food. Iams ProActive Health includes chicken as the first ingredient and uses rice as a primary.
At a Glance

Quick Comparison

Quick answer

Our top pick for most dogs with loose stools is Purina Pro Plan Sensitive Skin & Stomach Salmon & Rice Formula. Its single animal protein source, easily digestible rice, and added prebiotic fiber help promote firm stool. If your dog needs a budget-friendly option, Diamond Naturals Lamb Meal & Rice Formula provides similar benefits at a lower price. For puppies, Hill’s Science Diet Puppy Sensitive Stomach & Skin offers gentle nutrition.

What to consider for Dog Food For Loose Stools

When choosing a food to manage loose stools, look for a limited ingredient list with a single novel or highly digestible protein (like salmon, lamb, or venison) and easily digestible carbohydrates (like rice or oatmeal). Avoid foods with artificial additives, excessive fat, or high fiber from legumes, as these can worsen diarrhea. Prebiotic fibers such as chicory root or inulin support healthy gut bacteria. Always consult your veterinarian to rule out underlying medical causes before switching foods.

What to look for in a dog food

Select a food that is AAFCO complete and balanced for your dog’s life stage (puppy, adult, or senior). The first ingredient should be a named meat (e.g., chicken, salmon, lamb). For sensitive stomachs, aim for 20 to 30% protein, 10 to 18% fat, and 3 to 5% fiber. Calorie content typically ranges from 350 to 450 kcal per cup. For large breeds, ensure the food meets large breed growth guidelines for puppies. Omega-3 fatty acids from fish oil can support a healthy inflammatory response and skin health.

How we chose these picks

  • Evaluated ingredient lists for highly digestible protein sources and limited fillers.
  • Prioritized foods with prebiotic fibers (e.g., chicory root, dried fermentation products).
  • Cross-referenced AAFCO nutritional adequacy statements for the appropriate life stage.
  • Considered customer feedback regarding stool quality improvements.
  • Focused on brands with established expertise in digestive health (Purina Pro Plan, Hill’s, Royal Canin).
  • Included options across price points to suit different budgets.
  • Verified that grain-inclusive formulas are available to avoid unnecessary grain-free risks.
  • Never ranked a product higher just because it pays a commission.

What to avoid

  • Avoid foods where the only protein source is an unnamed “meat meal” (e.g., “poultry meal” instead of “chicken meal”).
  • Do not default to grain-free or legume-heavy recipes unless specifically advised by a veterinarian, as the FDA is still investigating a potential link to canine dilated cardiomyopathy (DCM).
  • Do not feed an “all life stages” food to a large-breed puppy; use a formula specifically designed for large-breed growth.
  • Avoid abrupt diet switches; transition gradually over 7 to 10 days by mixing increasing amounts of new food with old food.

For more guidance, visit our dog guides, dog food, and dog health sections.

Why this matters

Many dog foods marketed for 'sensitive stomach' rely on chicken, which is actually a common allergen. Choosing a novel protein like salmon or lamb can be more effective for dogs with true food sensitivities causing loose stools.

The Options

Types Explained

Limited ingredient diets (LID)

These foods contain a single protein source and a limited number of carbohydrates, reducing the chance of triggering food sensitivities. Common proteins include salmon, lamb, or venison, with carbs like potatoes or peas.

Best for: Dogs with suspected food allergies or intolerances that cause loose stools.

High-fiber foods

Formulas with added prebiotic fibers such as beet pulp, chicory root, or pumpkin promote regular bowel movements and help firm loose stool by absorbing excess water.

Best for: Dogs with chronic loose stools that are not due to allergies, such as those with stress-related diarrhea.

Sensitive stomach formulas

These are specially formulated with highly digestible proteins, limited fat, and gentle carbohydrates like rice or barley. They often include probiotics and omega-3s for gut health.

Best for: Dogs with general digestive upset, including occasional loose stools or vomiting.

Novel protein diets

These foods use unusual protein sources like kangaroo, duck, or venison that your dog has likely never eaten before, minimizing the risk of an allergic reaction. They are often grain-free but grain-inclusive versions exist.

Best for: Dogs with confirmed food allergies to common proteins like chicken or beef.
The Rankings

Top 5 Picks

#1
Purina Pro Plan Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food
Best Overall

Purina Pro Plan Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food

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This formula uses salmon as a single animal protein source, which is highly digestible and less likely to trigger food sensitivities. Rice provides easily digestible carbohydrates, and prebiotic fiber supports gut health. Many owners report firmer stool within days. The main limitation is the price, which is higher than average.

#2
Hill's Science Diet Sensitive Stomach & Skin Chicken & Barley Recipe Dry Dog Food
Best for Sensitive Stomach

Hill's Science Diet Sensitive Stomach & Skin Chicken & Barley Recipe Dry Dog Food

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Hill's Science Diet is formulated with a blend of prebiotic fiber and easily digestible ingredients to support digestive health. Chicken is a high-quality protein, and barley provides gentle fiber. It is also fortified with omega-6s for skin health. A downside is that chicken is a common allergen, so it may not suit all dogs.

#3
Diamond Naturals Lamb Meal & Rice Formula Dry Dog Food
Best Budget

Diamond Naturals Lamb Meal & Rice Formula Dry Dog Food

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Diamond Naturals offers a lamb and rice formula at an affordable price without sacrificing quality. Lamb is a novel protein for many dogs, and rice is gentle on the stomach. Added probiotics and prebiotics aid digestion. However, some dogs may not prefer the taste of lamb, and the kibble size may be too large for small breeds.

#4
Hill's Science Diet Puppy Sensitive Stomach & Skin Chicken & Oat Recipe Dry Dog Food
Best for Puppies

Hill's Science Diet Puppy Sensitive Stomach & Skin Chicken & Oat Recipe Dry Dog Food

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Formulated specifically for puppies with sensitive stomachs, this food uses chicken and oats for easy digestion. It contains DHA for brain development and a balanced calcium-phosphorus ratio for growing bones. The kibble size is appropriate for small mouths. A potential limitation is that it is more expensive than some other puppy foods.

#5
Iams ProActive Health Sensitive Digestion & Skin Chicken & Rice Recipe Dry Dog Food
Best Grain-Inclusive

Iams ProActive Health Sensitive Digestion & Skin Chicken & Rice Recipe Dry Dog Food

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Iams ProActive Health includes chicken as the first ingredient and uses rice as a primary carbohydrate source. It contains prebiotics and beet pulp to support digestive regularity. This grain-inclusive formula is a safe choice for most dogs, avoiding the risks associated with grain-free diets. One trade-off is that it contains chicken, which may not be ideal for dogs with poultry allergies.

Before You Buy

Key Buying Factors

01

Ingredient simplicity

Look for a limited ingredient list with a single protein source and easily digestible carbohydrates like rice or oatmeal. Avoid foods with multiple protein sources, artificial colors, or preservatives that may trigger sensitivities.

02

Prebiotic and probiotic content

Prebiotic fibers such as chicory root or inulin feed beneficial gut bacteria, while probiotics like dried fermentation products add live microbes. These can help restore balance in the digestive tract and improve stool consistency.

03

Omega-3 fatty acids

Omega-3s from fish oil or flaxseed help reduce inflammation in the gut and support skin health. They are especially beneficial if loose stools are accompanied by skin issues.

04

Life stage appropriateness

Ensure the food is formulated for your dog's age: puppy, adult, or senior. Puppies need higher protein and specific nutrients for growth, while seniors may benefit from lower fat and added joint support.

05

AAFCO nutritional adequacy statement

Always check the package for an AAFCO statement confirming the food is complete and balanced for your dog's life stage. This ensures the food meets minimum nutritional requirements.

Living With It

Care, Cost and Maintenance

Transitioning to a new food

When switching your dog's food to manage loose stools, do so gradually over 7 to 10 days. Start by mixing 25% new food with 75% old food, then gradually increase the proportion of new food. This helps prevent further digestive upset. If loose stools persist or worsen, consult your veterinarian.

Feeding schedule and portion control

Feed your dog at the same times each day to regulate digestion. Use a measuring cup to ensure accurate portions based on the feeding guide on the package. Overfeeding can cause loose stools, so adjust portions based on your dog's body condition and activity level.

Monitoring hydration and stool quality

Loose stools can lead to dehydration, so make sure fresh water is always available. Monitor your dog's stool consistency daily. If you notice blood, mucus, or if diarrhea persists beyond 48 hours, seek veterinary care. A probiotic supplement may also help during transition.

Pro tip

Before switching food, try adding a tablespoon of canned pumpkin to your dog's current meal for a few days. If stool firms up, it suggests a fiber deficiency rather than a food allergy, and a high-fiber food may be sufficient.

Frequently asked questions

How much should I feed a dog with loose stools?
Start with the recommended portion on the food package based on your dog's current weight. If your dog is losing weight due to diarrhea, you may need to increase the amount slightly, but do not exceed the maximum guideline. Divide the daily portion into two or three smaller meals to ease digestion. Monitor stool consistency and adjust as needed. Always consult your veterinarian for a tailored feeding plan.
How many calories does a dog with loose stools need daily?
Calorie needs vary by size, age, and activity level. Generally, an adult dog needs about 20 to 30 calories per pound of body weight per day. For example, a 30-pound dog might require 600 to 900 calories daily. However, if loose stools cause malabsorption, your vet may recommend a higher calorie intake. Use the feeding guide on the food package as a starting point and adjust based on body condition.
Is grain-free dog food safe for dogs with loose stools?
Grain-free foods are not necessarily safer for loose stools. Some dogs with grain allergies may benefit, but most dogs tolerate grains well. The FDA is investigating a potential link between grain-free diets (especially those high in legumes) and canine dilated cardiomyopathy (DCM). Unless your veterinarian advises otherwise, a grain-inclusive food with easily digestible grains like rice or oatmeal is a safer default choice for managing loose stools.
Can I feed puppy food to a dog with loose stools?
Puppy food is designed for growth and contains higher protein and fat, which can be harder for adult dogs to digest and may worsen loose stools. If your puppy has loose stools, choose a formula specifically for puppies with sensitive stomachs. For adult dogs, stick to adult formulas. Always ensure the food is AAFCO-approved for the appropriate life stage.
What should I feed an overweight dog with loose stools?
For an overweight dog with loose stools, choose a weight management formula that is also gentle on the stomach. Look for a food with lower fat (around 10 to 12%) and moderate fiber (4 to 5%) to promote satiety and firm stool. Incorporate low-calorie vegetables like green beans as treats. Consult your veterinarian for a weight loss plan that addresses both issues safely.
Is there a specific dog food for senior dogs with loose stools?
Senior dogs often benefit from foods with lower fat, moderate protein, and added joint support like glucosamine. Look for a senior formula labeled for sensitive stomachs, such as Hill's Science Diet Adult 7+ Sensitive Stomach or Purina Pro Plan Bright Mind Adult 7+. These foods are easier to digest and help maintain a healthy gut. Always transition gradually.
How do I choose a food based on my dog's breed or size?
Large breed dogs (over 50 pounds) need controlled calcium and phosphorus levels to prevent skeletal issues, especially as puppies. Small breeds may need smaller kibble size. For loose stools, the digestibility of ingredients is more important than breed-specific formulas, but you can find large or small breed versions of sensitive stomach foods. Always ensure the food meets WSAVA guidelines for your dog's size.
Is dry or wet food better for dogs with loose stools?
Both can work, but dry food (kibble) is often preferred because it is calorie-dense and less likely to spoil. However, wet food has higher moisture content, which can help with hydration if diarrhea causes fluid loss. Some dogs find wet food more palatable. A combination of both may be beneficial, but choose a brand that offers both forms with consistent ingredients.
Can I add pumpkin or rice to my dog's food to firm stool?
Yes, adding plain canned pumpkin (not pie filling) or cooked white rice can help firm loose stool. Pumpkin is a good source of soluble fiber that absorbs excess water. Start with one to two tablespoons per meal for a medium-sized dog. However, these should be used as a temporary measure and not replace a balanced diet. If diarrhea persists, consult your veterinarian to rule out underlying issues.
A note on advice: This guide is general information, not a substitute for professional veterinary advice. Talk to your vet before changing your pet's diet or care routine, especially if your pet has allergies, kidney disease, pancreatitis, obesity, heart disease or any other medical condition.
Transparency

How we made this guide

How we chose. We compared the options on the factors that matter most for Dog Food, using manufacturer specifications, aggregated verified owner reviews and editorial comparison. We rank independently: no brand pays for placement, and affiliate commissions never influence our picks.

How it was written. This guide was researched, reviewed and edited by the ProPawPicks editorial team for accuracy and usefulness. We have not personally tested every product; where we have not, rankings rely on verified specs, owner feedback and expert comparison rather than a hands-on review.

Affiliate disclosure. ProPawPicks is reader-supported. If you buy through links on our site, we may earn a commission at no extra cost to you. See our affiliate disclosure.

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Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.