🚨 If symptoms are present — go to emergency vet NOW. ASPCA Poison Control: (888) 426-4435 (24/7)
Gorilla Glue and Expanding Adhesive Poisoning in Dogs
Gorilla Glue (original formula) and similar polyurethane construction adhesives are uniquely dangerous for dogs because they expand dramatically when they contact moisture in the stomach — expanding up to 4 times their original volume and hardening into a rigid foam mass. Unlike most ingested objects, this foam cannot be vomited up and almost always requires emergency surgery to remove. Any suspected ingestion of expanding polyurethane adhesive should be treated as a same-day emergency.
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⚡ Immediate Actions
- 1This is a veterinary emergency — call your vet or emergency clinic immediately.
- 2Note the type of glue: expanding polyurethane (Gorilla Glue) vs. regular white/wood glue (much less dangerous).
- 3Do not try to induce vomiting — the foam mass may already be forming.
- 4Go to the veterinary emergency clinic now — time is critical.
- 5Call ASPCA Poison Control (888) 426-4435 if you are unsure about the product type.
Symptoms & Timeline
Early (first 30–60 minutes)
As the polyurethane adhesive contacts stomach moisture and hydrochloric acid, the isocyanate groups react with water to generate carbon dioxide gas bubbles and begin crosslinking into a foam polymer. The dog senses the expanding mass and attempts to expel it — but the thickening foam adheres to gastric walls and cannot be vomited.
- Non-productive retching and gagging
- Drooling
- Distended or bloated abdomen
- Anxiety and discomfort
Progressive (hours)
The expanding foam increases gastric volume faster than the stomach wall can accommodate. Intragastric pressure rises, stretching the stomach serosa and pressing on the diaphragm and adjacent abdominal organs. Gastric motility is mechanically blocked — the dog attempts to vomit but the hardening foam mass cannot move through the pyloric sphincter.
- Repeated vomiting attempts without productive result
- Worsening abdominal distension
- Lethargy
- Pain on abdominal palpation
Severe (obstruction)
A fully set polyurethane foam mass occupies most or all of the gastric lumen, creating complete gastric outlet obstruction. The stomach cannot empty, fluid accumulates, and intragastric pressure compromises gastric wall blood flow — setting the stage for ischemia, necrosis, and potentially fatal gastric rupture if surgery is not performed urgently.
- Complete inability to eat or drink
- Signs of shock if obstruction is complete
- Collapse
How Expanding Polyurethane Glue (Gorilla Glue, Elmer's ProBond) Affects Dogs
Polyurethane adhesives (isocyanate-based) react with water (stomach moisture and acid) to form carbon dioxide gas and crosslinked polyurethane foam. This foam expands to fill and exceed the stomach capacity, hardening into a rigid structure that resists gastric motility and cannot be broken down by digestive enzymes. The foam mass acts as a foreign body obstruction. Cases have been documented where the foam expanded to multiple times the original glue volume, filling the entire stomach cavity. Standard white (PVA) craft glue does not have this expanding property.
What Your Vet Will Do at the Clinic
Gorilla Glue ingestion is treated as a surgical emergency rather than a toxicological one — the danger is mechanical, not chemical. Radiographs confirm the foam mass location and size and check for free air in the abdomen (indicating perforation). If the dog arrives within 15–20 minutes of ingestion and the foam has not yet set, an emergency attempt at gastric lavage or syringe aspiration of liquid glue may retrieve some material. In the vast majority of cases, this window is missed and surgery is required. The surgeon performs a gastrotomy — incising the stomach wall and manually removing the foam mass — then closing the incision in multiple layers. IV fluids are given pre- and post-operatively. Dogs that undergo surgery within hours of ingestion typically have an excellent prognosis. Prolonged delay risks gastric wall ischemia and peritonitis.
Step-by-step protocol:
- 1Radiograph immediately to assess extent of foam mass formation
- 2If ingestion is very recent (< 30 minutes) and minimal foam: gastric lavage may retrieve some material
- 3Surgical gastrotomy is the definitive treatment in almost all cases
- 4Pre-operative stabilization with IV fluids if needed
- 5Post-surgical monitoring and GI supportive care
- 6Excellent prognosis with prompt surgical intervention
Frequently Asked Questions
My dog ate a tiny bit of Gorilla Glue — do I really need to go to the vet?
Yes. Even a small amount of expanding polyurethane glue can form a foam mass in the stomach. There is no safe minimum amount. The glue expands regardless of quantity, and the resulting mass will not pass on its own. This requires immediate veterinary evaluation.
What if my dog chewed on a Gorilla Glue bottle but I am not sure how much was ingested?
Go to your vet or emergency clinic immediately and bring the bottle. A radiograph can often detect the foam mass forming in the stomach and determine whether surgery is needed. Do not wait for symptoms to worsen.
Are other glues as dangerous as Gorilla Glue?
No — this expanding danger is specific to polyurethane adhesives. Regular white craft glue (Elmer's white), school glue, wood glue (non-polyurethane), and super glue (cyanoacrylate) are not expanding adhesives and are far less dangerous, though super glue can bond tissues together. Always check if a glue is labeled "polyurethane" or "expanding" if your dog ingests it.
🛡️ Emergency vet bills average $1,500–$5,000
Most US dog owners pay out of pocket. Pet insurance can cover 70–90% of unexpected emergency costs.
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