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Can Cats Drink Puppy Formula?

Can cats drink puppy formula? Emergency use, risks, and what’s better.

Key risk
Puppy formula isn’t designed for cats and shouldn’t be used long-term.
Bottle of puppy milk formula on a table
Quick Answer

Yes—but only in an emergency and for a short time.

Safe amount
Small sips or a short-term feeding
How often
Emergency only
Best way
Warm (not hot), plain puppy formula
Avoid
  • Long-term use
  • Replacing kitten formula
  • Overfeeding
  • Flavored or homemade mixes
Caution: Puppy Formula is not recommended for cats.

Overview

Some owners ask: can cats drink puppy formula? The short answer is yes—but only if there’s no better option.

Puppy formula is made for puppies, not cats, so it should never be a regular choice.

Is puppy formula safe for cats?

Puppy formula is not toxic to cats.

However, it doesn’t match a cat’s nutritional needs.

  • Short-term safety: usually okay
  • Long-term feeding: not safe
  • Best use: temporary emergency solution

When can cats drink puppy formula?

Puppy formula may be used if kitten formula is unavailable.

This situation should be rare and short.

  • Abandoned kittens and no kitten formula available
  • Temporary supply issue
  • Used only until proper formula is obtained

Can kittens drink puppy formula?

Kittens can drink puppy formula only in an emergency.

Kitten formula is always the correct choice when available.

  • Acceptable for a short time
  • Not nutritionally ideal
  • Switch to kitten formula as soon as possible

Can adult cats drink puppy formula?

Adult cats don’t need milk-based formulas.

Puppy formula offers no benefit for adult cats.

  • Not needed for adult cats
  • May cause stomach upset
  • Better to offer regular cat food and water

Risks of giving puppy formula to cats

Problems usually appear when puppy formula is used too long.

  • Digestive upset
  • Diarrhea
  • Nutritional imbalance
  • Delaying proper feeding

How to give puppy formula safely

If you must use puppy formula, preparation matters.

✅ Do
  • Prepare according to package directions
  • Serve warm, not hot
  • Feed small amounts
  • Transition to kitten formula quickly
🚫 Don’t
  • Don’t overfeed
  • Don’t use long-term
  • Don’t mix with other foods
  • Don’t use homemade recipes

Better options than puppy formula

There are safer choices for cats.

  • Commercial kitten milk replacer
  • Cat-specific nutritional products
  • Wet kitten food (for weaned kittens)
  • Fresh water for adult cats

What if my cat already drank puppy formula?

If your cat drank a small amount, it’s usually fine.

  1. Monitor for diarrhea or vomiting
  2. Return to proper cat food or formula
  3. Avoid continued use
Call a vet if:
  • Ongoing diarrhea
  • Refusal to eat
  • Weakness or lethargy

Frequently Asked Questions

Quick answers to the most common questions about this topic

1
Can cats drink puppy formula?

Yes, but only in emergencies and for a short time.

2
Is puppy formula safe for kittens?

Only temporarily. Kitten formula is always better.

3
Can puppy formula replace kitten formula?

No. It doesn’t meet a kitten’s nutritional needs.

4
Can adult cats drink puppy formula?

They can, but there’s no benefit and possible stomach upset.

5
What should I do if I don’t have kitten formula?

Use puppy formula only briefly and get kitten formula as soon as possible.

Still have questions? We're here to help!

Sources & References (2)

All information on CatsLib is backed by reputable sources. We regularly review and update our content to ensure accuracy.

1
Last checked: Jan 20, 2026
aspca.org
2
Last checked: Jan 20, 2026
vet.cornell.edu

Our editorial process: Every article is reviewed by veterinarians and feline behavior experts. We cross-reference multiple sources and update content regularly to maintain accuracy.

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CatsLib Team

Editorial & Research Team

CatsLib content is written and reviewed by our editorial team. We focus on clear, practical guidance for cat owners and regularly update articles when recommendations change.

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