Last reviewed against current US veterinary guidance in April 2026

Can dogs eat underwear?

Emergency — call your vet

Underwear is the #2 foreign body surgically removed from dogs. Cotton doesn't digest and elastic bands can bunch up in the intestines. Call your vet even if your dog seems fine — symptoms may take 24-48 hours.

If your dog has just eaten underwear

Do this now

  1. Call your vet immediately
  2. Do not pull on any fabric hanging from your dog's mouth or rectum — you can tear the intestines
  3. Do not induce vomiting without vet instruction
  4. Note approximate size and material (cotton, elastic, lace, G-string)
  5. Check all your underwear — if one is missing, ingestion is likely

What your vet will want to know

Have this information ready when you call:

  • Type of underwear (briefs, thong, boxer, lace)
  • Approximate time of ingestion
  • Your dog's weight and breed
  • Any vomiting or unusual behavior yet

The full picture

Dogs are strongly attracted to underwear because it carries their owner's scent — bodily fluids in particular are a powerful draw for the canine nose. Unfortunately, underwear fabric doesn't digest. Cotton can compress into a dense mass in the stomach, elastic bands can stretch and bunch in the intestines, and thongs (with narrow strings) can cause the especially dangerous 'linear foreign body' condition where the string saws through bowel walls as the intestines try to move it. Pet insurance data consistently ranks underwear as the #2 most-removed object, right after socks.

Should you induce vomiting at home?

Only your vet should make this call. If you can't reach them, our 4-gate safety checker walks through when hydrogen peroxide is appropriate (and when it's dangerous — sharp objects, caustics, certain breeds, and more).

Check if vomiting is safe →

Where underwear hides

Underwear can turn up in foods you wouldn't expect. Check for it in:

  • Laundry baskets and hampers
  • Bathroom floors
  • Bedroom floors after getting dressed
  • Gym bags
  • Open dresser drawers

Risks to watch for

  • Intestinal obstruction — surgical emergency
  • Linear foreign body risk (especially from thongs/G-strings)
  • Elastic band stretching can cause bowel perforation
  • Infection and sepsis if bowel wall is damaged

Symptom timeline

Symptoms typically progress in stages. Knowing what to expect helps you act fast:

  1. 0–2 hours Usually asymptomatic — treatment window is now
  2. 12–24 hours Vomiting, decreased appetite, possible retching
  3. 24–72 hours Severe GI signs: abdominal pain, dehydration, lethargy

Breed-specific warnings

  • Scent-driven breeds (Beagles, Bassets, Bloodhounds) particularly drawn to underwear.
  • Small dogs face higher obstruction risk from any fabric.

Safe portion size

None.

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Safer alternatives

  • Scent-infused dog toys
  • Kong toys with owner-scented cloth inside
  • Sturdy rubber chew toys

Common questions

My dog eats underwear compulsively — why?

Usually a combination of scent attraction (owner's smell is comforting), oral fixation (some dogs need to chew), and sometimes pica (medical condition involving eating non-food items). Consult your vet about pica screening. Use a closed hamper, and consider a basket muzzle for known repeat offenders when unsupervised.

Can my dog pass underwear on its own?

Large dogs sometimes pass cotton briefs whole or in pieces. Elastic bands are more dangerous — they can stretch and loop in the intestines. Thongs and G-strings are the most dangerous because the narrow fabric acts as a 'string' that can saw through bowel walls. Always call your vet.

What if I see a piece of underwear hanging out of my dog's rear?

Do NOT pull it. Pulling can tear the intestines if the fabric is anchored further up. Call your vet immediately. They may need to sedate your dog to safely remove it.

How much does underwear surgery cost?

In the US, $1,500-$5,000+ for surgical removal. Endoscopic removal from the stomach (within hours of ingestion) is significantly cheaper. Pet insurance almost always covers this — highly recommended for dogs with a known habit.

Unexpected vet bills can run into thousands

One emergency visit for food poisoning can cost $500–$10,000+. Compare US pet insurance in 60 seconds.

Learn about vet costs & insurance →

Sources

The information on this page is compiled and cross-checked against these authoritative US veterinary and toxicology sources:

Specific toxicity thresholds cited on this page come from the above sources; where they disagree, we cite the more conservative figure. Numbers are general guidance — individual dogs vary in sensitivity based on age, breed, medications, and health conditions. When in doubt, always call your vet.

Spot an error? Report it Last verified: April 2026

Checked against US veterinary guidance — see our editorial standards and source list. If your dog has eaten something and you need urgent advice, call a vet or the ASPCA Animal Poison Control Center on (888) 426-4435.

Important: This page is general information, not veterinary advice. Every dog is different, and individual factors (age, breed, health conditions, medications) can change what's safe. If in doubt, always contact your vet — or the ASPCA Animal Poison Control Center on (888) 426-4435 in the US.