




Quick List - Top Diarrhea Medicines for Dogs
Pet Logic

Keep Your Pets Healthy Naturally With Vet-Approved, All-Natural Ingredients

For as long as she can remember, Dr. Kate Allison Alingod has always been surrounded by pets. Inspired to treat and care for animals at an early age, she has been a licensed Small Animal Veterinarian since 2019. She has been providing medical and preventive care to companion animals through wellness checks, consultations, treatment, and surgical intervention.

Hazel is a content planner and writer dedicated to simplifying your online shopping experience. With a passion for research and a keen eye for quality, she digs into the details to bring you trustworthy and insightful buying guides you can rely on.
The expert oversees the Buying Guide only, and does not determine the products and services featured.
Every mybest article is crafted with hours of in-depth research and interviews with experts. Each month, we are continually expanding our database of products based on our research. By emphasizing user insight and reliable information, we deliver trustworthy content to readers.

Before buying any diarrhea medicine, check first whether the episode is mild or potentially serious. Mild diarrhea often improves within a few hours or by the next day, and over-the-counter options may help.
However, diarrhea that is persistent, watery, or accompanied by vomiting, blood, or lethargy may indicate infection, parasites, or dehydration. Puppies and senior dogs also have more sensitive digestive systems, so extra caution is needed. If symptoms worsen or do not improve within one to two days, consult a veterinarian immediately.

Not all diarrhea medicines for dogs work the same. Knowing what to look for can help you pick the safest and most effective option.
Before picking a diarrhea medicine for your dog, consider their symptoms and overall health. Choosing the right type helps ensure relief is effective and avoids treatments that could make the problem worse.

Probiotics restore good bacteria to balance the gut, while kaolin-based pastes bind toxins and excess water to firm up stool.
Sometimes mild digestive upset happens, and starting with gentle options can help. If your dog has mild, self-limiting diarrhea, probiotics or kaolin-based pastes may support gut balance and improve stool consistency. These options are easy to give and work gradually without overwhelming a sensitive digestive system. If there’s no improvement within one to two days, it may be a sign that home remedies are not enough.
Persistent diarrhea or episodes accompanied by lethargy, vomiting, or inappetence may indicate a more serious condition. At that point, over-the-counter medicine is no longer enough. Seek veterinary care so your pet receives the correct diagnosis and treatment.

Diarrhea causes rapid fluid loss, so offering water with electrolytes or ORS helps replace lost minerals and reduces the risk of dehydration.

Antibiotics should only be used when prescribed because unnecessary use can increase antibiotic resistance in dogs.
It’s easy to assume that antibiotics can quickly fix dog diarrhea, but it’s important to consider if they are truly necessary. Prescription-only antibiotics are designed to target infections that cause diarrhea, but using them without veterinary guidance can disrupt your dog’s gut balance.
However, in the Philippines, these medicines are often easily available in online stores and pet shops, which can lead to overtreatment. Overusing antibiotics increases the risk of resistance, making future treatments less effective. Only a veterinarian can determine if a prescription antibiotic is truly needed based on symptoms, fecalysis or stool test, and overall health.

Diarrhea medications, particularly antibiotics, should be given after meals to reduce stomach upset and ensure proper absorption in dogs.
When choosing a diarrhea medicine for your dog, take a closer look at the active ingredients. Knowing what’s inside each product ensures you are giving your dog a medicine that addresses their symptoms safely without causing further digestive upset.

Probiotics with Lactobacillus help regulate the gastrointestinal tract by promoting a balanced gut, improving digestion and stool consistency.
Since probiotics work by promoting a balanced gastrointestinal environment, they help regulate digestion and maintain healthy stool consistency. Pairing probiotics with a bland diet of boiled chicken and rice can further soothe the gut during mild diarrhea, giving your dog a gentler path to recovery. This combination supports the return of healthy gut bacteria and helps the digestive system settle.
When choosing a probiotic, look for Lactobacillus strains that are proven safe for dogs. You can continue the bland diet for seven to ten days, then gradually transition back to regular food to prevent recurring digestive upset.

Diarrhea has many possible causes, and giving the wrong medication or using unsuitable home remedies can worsen symptoms and delay recovery.

When buying diarrhea medicine for your dog online, take a moment to make sure the products are safe. Unregistered or unapproved medications may contain the wrong ingredients, incorrect dosages, or harmful substances that can worsen your dog’s diarrhea or cause other health issues. You can verify approved veterinary products through the Philippine FDA website to ensure the medicine meets safety standards.
Buying from reputable stores helps ensure you get genuine products. While giving medicine, maintain proper hygiene: keep sick dogs separate and clean feeding bowls, toys, and bedding. These steps help prevent reinfection and support the effectiveness of the medicine.


Puppies, adult dogs, and senior dogs all have different needs, and the correct dosage ensures the medicine works safely and effectively. Giving too little may not relieve symptoms, while too much can cause side effects or stress the digestive system. Choose a form that your dog can take easily, such as a flavored paste for picky eaters or a pill hidden in food for cooperative dogs.
Always consult your veterinarian to determine the proper dose and frequency based on your dog’s weight, age, and overall health. Smaller breeds or young puppies may require gentler formulations, while adult dogs might tolerate standard doses.

Products | Image | Click to purchase | Key features | Details | |||||
|---|---|---|---|---|---|---|---|---|---|
Product Type | Active Ingredients | Dosage | Form | Best For | |||||
1 | Canine Science Probiotics Meal Topper | ![]() | Provides Gut Health Support in Every Bite | Probiotics | L. Rhamnosus、L. Plantarum、B. Lactis、 Pumpkin、Freeze-Dried Chicken Liver | 1/2 Scoop for 5-10kg | Meal Topper | Adult Dogs、Puppies、Senior Dogs | |
2 | NutriVet Probiotic | ![]() | Boost Your Dog's Gut Health with Live Friendly Bacteria and Prebiotic Inulin | Probiotics | Prebiotic Inulin | 2 Capsules per 50 lbs | Capsule | Adult Dogs、Puppies、Senior Dogs | |
3 | Purina FortiFlora | ![]() | Nurture Your Pet's Digestive Wellness with Enterococcus faecium SF68 | Probiotics | Enterococcus faecium SF68 | 1 Sachet per day or as advised by veterinarian | Meal Topper | Adult Dogs、Puppies、Senior Dogs | |
4 | Pet Logic Probiotic Digestive Health | ![]() | Keep Your Pets Healthy Naturally With Vet-Approved, All-Natural Ingredients | Probiotics | L. Plantarum、L. Acidophilus、L. Fermentum、L. Brevis、L. Lactis | 5 Chews for below 25 lbs | Soft Chews | Adult Dogs、Puppies、Senior Dogs | |
5 | Dr. Shiba Happy Tummy Healthy Dog Treats Snack|Beef Flavour | ![]() | Delicious Probiotic Bites That Nurture Digestion and Keep Tails Wagging | Probiotics | Enzyme Blend、Probiotics Blend | 6 Soft Chews for below 12 kg | Soft Chews | Adult Dogs、Senior Dogs | |
6 | The Perfect Paws 3-in-1 Probiotic for Dogs | ![]() | 3-in-1 Complete Support for Dog's Digestion, Gut, and Immunity | Probiotics | L. Plantarum、L. Acidophilus、L. Fermentum、L. Brevis、L. Lactis | 1 Soft Chew for up to 10 lbs | Soft Chews | Adult Dogs、Puppies、Senior Dogs | |
7 | Cassiel-Pet Cimetidine Tablets | ![]() | Gentle Relief Tablet for Pet With Abdominal and Stomach Pain | Medication | Cimetidine | 1/2 Tablet for 6-10 kg | Tablet | Adult Dogs、Puppies、Senior Dogs | |
8 | Loras Pawbiotics | ![]() | Pet Probiotics That Balances Gut Flora and Reduces Stool Odor | Probiotics | L. Rhamnosus、L. Plantarum, Bacillus Coagulans, Lactobacillus Paracasei, Pediococcus Pentosaceus | 1 Pack for up to 10 kg | Powder | Adult Dogs、Puppies、Senior Dogs | |
9 | VetMate Papi Scour | ![]() | Effective Infection Relief and Hydration Support for Dogs | Antibiotics | Sulfadiazine, Trimethoprim | 1 mL per 1 kg | Liquid | Adult Dogs、Puppies、Senior Dogs | |
10 | NutraTech LC-Scour Suspension | ![]() | Fast-Acting Treatment for Pet's Bacterial Diarrhea and Electrolyte Balance | Antibiotics | Sulfonamides, Kaolin, Glycine, Pectin, Hyoscine | 3-5 mL per 1 kg | Liquid | Adult Dogs、Puppies、Senior Dogs | |
| Product Type | Probiotics |
|---|---|
| Active Ingredients | L. Rhamnosus、L. Plantarum、B. Lactis、 Pumpkin、Freeze-Dried Chicken Liver |
| Dosage | 1/2 Scoop for 5-10kg |
| Form | Meal Topper |
| Best For | Adult Dogs、Puppies、Senior Dogs |
| Product Type | Probiotics |
|---|---|
| Active Ingredients | Prebiotic Inulin |
| Dosage | 2 Capsules per 50 lbs |
| Form | Capsule |
| Best For | Adult Dogs、Puppies、Senior Dogs |
| Product Type | Probiotics |
|---|---|
| Active Ingredients | Enterococcus faecium SF68 |
| Dosage | 1 Sachet per day or as advised by veterinarian |
| Form | Meal Topper |
| Best For | Adult Dogs、Puppies、Senior Dogs |
| Product Type | Probiotics |
|---|---|
| Active Ingredients | L. Plantarum、L. Acidophilus、L. Fermentum、L. Brevis、L. Lactis |
| Dosage | 5 Chews for below 25 lbs |
| Form | Soft Chews |
| Best For | Adult Dogs、Puppies、Senior Dogs |
Users appreciate how this treat helps reduce itching and scratching, leading to healthier skin and shinier fur. Many also note their dogs eagerly enjoy the taste and texture, making it easy to incorporate into daily routines. Some suggest it’s not a cure-all for severe infections but effective for maintaining gut health and comfort.
| Product Type | Probiotics |
|---|---|
| Active Ingredients | Enzyme Blend、Probiotics Blend |
| Dosage | 6 Soft Chews for below 12 kg |
| Form | Soft Chews |
| Best For | Adult Dogs、Senior Dogs |
Users report improved digestion and reduced tummy issues in their dogs after consistent use. They also like how their pets readily accept the chews due to the appealing flavors. Some noted noticeable boosts in energy and overall health, while a few suggested maintaining regular use for best results.
| Product Type | Probiotics |
|---|---|
| Active Ingredients | L. Plantarum、L. Acidophilus、L. Fermentum、L. Brevis、L. Lactis |
| Dosage | 1 Soft Chew for up to 10 lbs |
| Form | Soft Chews |
| Best For | Adult Dogs、Puppies、Senior Dogs |
| Product Type | Medication |
|---|---|
| Active Ingredients | Cimetidine |
| Dosage | 1/2 Tablet for 6-10 kg |
| Form | Tablet |
| Best For | Adult Dogs、Puppies、Senior Dogs |
| Product Type | Probiotics |
|---|---|
| Active Ingredients | L. Rhamnosus、L. Plantarum, Bacillus Coagulans, Lactobacillus Paracasei, Pediococcus Pentosaceus |
| Dosage | 1 Pack for up to 10 kg |
| Form | Powder |
| Best For | Adult Dogs、Puppies、Senior Dogs |
| Product Type | Antibiotics |
|---|---|
| Active Ingredients | Sulfadiazine, Trimethoprim |
| Dosage | 1 mL per 1 kg |
| Form | Liquid |
| Best For | Adult Dogs、Puppies、Senior Dogs |
| Product Type | Antibiotics |
|---|---|
| Active Ingredients | Sulfonamides, Kaolin, Glycine, Pectin, Hyoscine |
| Dosage | 3-5 mL per 1 kg |
| Form | Liquid |
| Best For | Adult Dogs、Puppies、Senior Dogs |
Below are some of the most asked questions on the web answered by veterinarian, Dr. Kate Alingod.
Dog diarrhea can occur for many reasons, including stress, sudden changes in food, or infections. In puppies, it is often caused by parasites, protozoa, or bacterial and viral infections. In adult dogs, diarrhea may result from dietary changes or signal a more serious underlying condition.
For mild cases where your dog is still active and eating normally, continuing their usual diet is recommended, as sudden changes can worsen diarrhea. If your dog has frequent or watery dog diarrhea, or shows other signs like vomiting or lethargy, switching to a bland diet of boiled chicken and rice can help firm up their stool.
Get reliable support for your pet’s everyday wellness with our expert-reviewed guides. Explore more trusted picks below to help keep your dog healthy and happy.
Our buying guide was carefully researched and crafted by the mybest team of writers and editors. We used the buying guide as a basis for choosing and ranking the product recommendations, and we looked at reviews and ratings from different E-commerce sites like Lazada, Shopee, and more.
No. 1: Canine Science| Probiotics Meal Topper
No. 2: NutriVet|Probiotic
No. 3: Purina |FortiFlora
No. 4: Pet Logic|Probiotic Digestive Health
No. 5: Dr. Shiba |Happy Tummy Healthy Dog Treats Snack|Beef Flavour
View Full RankingThe descriptions of each product are referenced from content available on manufacturer, brand, and e-commerce sites.

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