How to Treat Cat Upset Stomach at Home

How to Treat Cat Upset Stomach at Home: A Complete Guide

An upset stomach is one of the most common health complaints in cats. Whether it's occasional vomiting, loose stools, gas, or general digestive discomfort, most mild cases can be managed effectively at home. This guide covers everything you need to know — from identifying the cause to choosing the right remedies.

Signs Your Cat Has an Upset Stomach

• Vomiting (once or twice, not repeatedly)
• Loose stools or mild diarrhea
• Decreased appetite
• Excessive gas or gurgling stomach sounds
• Lethargy or reduced activity
• Licking lips frequently (sign of nausea)
• Drooling
• Hunched posture
• Reluctance to eat favorite foods

Common Causes of Upset Stomach in Cats

• Dietary indiscretion: Eating something unusual, spoiled, or inappropriate
• Sudden food change: Switching foods too quickly disrupts gut bacteria
• Food sensitivity: Intolerance to specific ingredients
• Hairballs: Can cause nausea and digestive discomfort
• Stress: Changes in routine, new pets, moving, or loud events
• Eating too fast: Leads to regurgitation and stomach upset
• Parasites: Giardia, roundworms, and other parasites cause digestive symptoms
• Medications: Antibiotics and other drugs commonly cause temporary GI upset

Step-by-Step Home Treatment

Step 1: Assess the Severity

Before treating at home, confirm the situation is mild:

• Your cat vomited once or twice but seems otherwise okay
• Diarrhea is mild and has lasted less than 24 hours
• Your cat is still alert and interested in their surroundings
• No blood in vomit or stool
• No signs of severe pain or distress

If any of these conditions aren't met, call your vet before proceeding with home treatment.

Step 2: Brief Food Rest (For Vomiting)

If your cat is vomiting, withhold food for 2–4 hours to let the stomach settle. Always keep fresh water available. Do not fast for longer than this — prolonged fasting is dangerous for cats.

Step 3: Switch to Bland, Easily Digestible Food

Offer small, frequent meals of gentle food:

• Boiled chicken breast (plain, no seasoning)
• Plain boiled white fish
• Veterinary sensitive stomach food

Purina Pro Plan Sensitive Skin & Stomach Wet Cat Food is an excellent ready-made option — grain-free, highly digestible, and formulated specifically for cats with sensitive digestive systems. Feed small portions every 3–4 hours rather than one large meal.

Step 4: Add a Probiotic

Probiotics are one of the most effective tools for resolving digestive upset. They restore the balance of beneficial gut bacteria disrupted by illness, stress, or dietary changes. Premo Pet Probiotic for Cats is a tasteless, wheat- and dairy-free powder that mixes invisibly into food. It contains both probiotics and prebiotics for comprehensive digestive support and is vet-approved.

Step 5: Add Pumpkin Fiber

Pumpkin works for both diarrhea and constipation — its soluble fiber regulates gut motility in both directions. Add 1–2 teaspoons of plain canned pumpkin or Organic Pumpkin Powder for Cats & Dogs to each meal during recovery.

Step 6: Ensure Good Hydration

Digestive upset causes fluid loss. Keep fresh water available at all times and encourage drinking by offering wet food, adding broth to water, or using a cat water fountain.

Step 7: Reduce Stress

If stress is a likely trigger, minimize disruptions to your cat's routine. Provide a quiet, comfortable space and consider a calming pheromone diffuser if environmental stress is ongoing.

Step 8: Gradual Return to Normal Diet

Once your cat has been symptom-free for 48 hours, gradually transition back to their regular food over 3–5 days by mixing increasing amounts of regular food with the bland diet.

Supportive Supplements

• Omega-3 fatty acids: Pets Purest Salmon Oil has mild anti-inflammatory effects that support gut health and overall recovery
• Hairball remedy: If hairballs are contributing to the upset, Hartz Hairball Remedy Plus Salmon Paste helps move hair through the digestive tract

What to Avoid

• Dairy products (most cats are lactose intolerant)
• Rich, fatty, or spicy foods
• Human medications (Pepto-Bismol, Imodium, etc. — many are toxic to cats)
• Sudden food changes during recovery
• Forcing your cat to eat

When to Call the Vet

Contact your vet if your cat:

• Vomits more than 2–3 times in 24 hours
• Has diarrhea lasting more than 48 hours
• Has blood in vomit or stool
• Is not eating for more than 24 hours
• Is lethargic or in obvious distress
• Is a kitten, senior, or has underlying health conditions
• Shows signs of dehydration

Final Thoughts

Most mild upset stomachs in cats resolve within 24–48 hours with proper home care. The combination of a bland diet, probiotics, pumpkin fiber, and good hydration gives your cat's digestive system the best chance to recover quickly. Monitor closely, act early, and always call your vet when you're unsure.