abdominal palpation

Pet Poison Prevention: Kitchen Toxins

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It’s amazing (yet scary) how many common food items in our kitchen are poisonous to our pets! Some of these food items, while safe to you, may cause serious problems if ingested by our dogs and cats. Here is the list of kitchen products that the veterinarians at Pet Poison Helpline recommend keeping away from pets.

Chocolate

Chocolate comes in many different forms, such as: white, dark, milk, semi-sweet, baker’s and cocoa powder. Each type of chocolate has a different toxicity level. Baker’s, cocoa, dark and semi-sweet chocolates are toxic in much smaller amounts than milk or white chocolate due to the greater concentration of theobromine and caffeine. A mild toxic dose of chocolate can cause agitation/hyperactivity, vomiting and diarrhea. Moderate toxicity can cause tachycardia (increased heart rate) and severe toxic levels can cause seizures. Chocolate stays in the stomach for several hours after ingestion, so symptoms may not show for up to 12 hours after ingestion. Chocolate stays in the system for a long period of time, so if symptoms occur, they can last potentially 72-96 hours.

Xylitol (common in sugar-free chewing gum)

Xylitol is a sugar alcohol and is gaining popularity in sugar-free foods, oral care products, and dietary supplements. Common products that contain xylitol are gum, toothpaste, sugar-free candy, chewable vitamins, and melatonin supplements. It is also sold in bulk for baking. Although safe for humans, xylitol can cause hypoglycemia (low blood sugar) and liver failure in dogs that ingest toxic amounts. The symptoms can be very rapid, occurring within 30 minutes to 2 hours after ingestion. Common symptoms of xylitol poisoning include vomiting, weakness, lethargy, difficulty walking (ataxia) and seizures. Dogs are the most susceptible pet species to xylitol toxicity.

Grapes / raisins / currants

Grapes, raisins and toxic currants (Vitis species) can cause acute kidney failure in dogs. There is no known toxic dose for these fruits so any ingestion should be considered potentially toxic. Common symptoms include vomiting, diarrhea, lethargy, anorexia (not eating), weakness, and decreased urine output. Symptoms show within 12-24 hours.

Caffeine

Caffeine poisoning, while not as common as chocolate poisoning, can occur with ingestion of products such as coffee, tea, chocolate, certain drugs such as migraine medications, and caffeine or diet pills. Caffeine poisoning can cause restlessness, hyperactivity, vomiting, panting, tachycardia (increased heart rate), weakness, diarrhea, and heart symptoms can occur 1-2 hours after ingestion and can last for 12-36 hours. Fatality is common when dogs ingest caffeine pills.

Fatty scraps

While it is tempting to feed your pet scraps from the table, fatty food scraps can cause stomach upset and is a risk for pancreatitis in pets. Pancreatitis is a condition where the pancreas becomes inflamed. Symptoms of pancreatitis include vomiting, abdominal pain, loss of appetite (anorexia), lethargy, and diarrhea. Some dog breeds are more prone to pancreatitis such as miniature schnauzers, miniature poodles, and cocker spaniels. Older and overweight dogs can also be prone to pancreatitis, but with an ingestion of fatty foods, any dog can be susceptible.

Onions / garlic / chives / leeks / shallots

Ingestion of these foods in large enough quantities can cause oxidative hemolysis, which is defined as the destruction of the red blood cells, causing anemia. Common symptoms of toxicity can include but are not limited to: lethargy, pale mucous membranes, abdominal pain, vomiting, diarrhea, increased heart rate, and increased breathing rate. The onset of symptoms can be anywhere from 24 hours after ingestion to several days. The symptoms can potentially last for 10-20 days. Dogs, cats, cattle and horses can be affected.

Macadamia nuts

Macadamia nuts are a common snack for people but can be toxic to dogs. Macadamia nuts contain up to 80% oil and 4% sugar which can increase the risk for pancreatitis (high fat). In toxic quantities, the nuts can also cause neurological signs such as weakness, ataxia (difficulty walking), tremors, hyperthermia (increased temperature), and joint stiffness. Symptoms of neurological poisoning can be witnessed within 3-6 hours and can last for 24-36 hours. Dog breeds more predisposed to pancreatitis (e.g., miniature schnauzers, miniature poodles, cocker spaniels, obese dogs, etc.) may be at higher risk but all dogs may be susceptible to pancreatitis.

Unbaked yeast bread dough

Any bread made with baker’s yeast can be toxic if the unbaked bread dough is ingested. When bread dough is rising, the yeast consumes sugars in the dough and in turn produces ethanol and carbon dioxide. The carbon dioxide forms bubbles in the dough making it rise. Ingestion can cause ethanol (alcohol) toxicity as well as obstruction of the stomach, stomach bloat and/or stomach torsion. Common symptoms from ethanol toxicity include acting “drunk”, sedation, ataxia (difficulty walking), hypoglycemia (low blood sugar), hypothermia (low temperature), GI distress, respiratory depression, and coma. Bloat and stomach torsion are more common in deep-chested dog breeds such as the Great Dane, German Shepherd, Irish Setter, Gordon Setter, Weimaraner, Saint Bernard, Standard Poodle, and Bassett Hound, however, any breed of dog could be at risk. Common symptoms of bloat include abdominal distension, pawing, restlessness, and unproductive retching. Symptoms can occur one hour after ingestion but can be delayed. Symptoms can last 24-36 hours and surgical intervention may be needed to remove the dough.

Alcohol

Alcohol or ethanol toxicity can occur when an animal ingests alcoholic beverages, alcohol-based hand sanitizer, yeast bread dough, etc. Common symptoms from ethanol toxicity include acting “drunk”, sedation, ataxia (difficulty walking), hypoglycemia (low blood sugar), hypothermia (low temperature), GI distress, respiratory depression, and coma. Symptoms have a rapid onset, within 30 – 90 minutes, and can last 24-36 hours.

Table salt

Ingestion of salt can cause sodium poisoning (hypernatremia). Hypernatremia is an increase of sodium concentrations in the blood. Common symptoms of salt toxicity include vomiting, diarrhea, polydipsia (increased drinking/thirst), ataxia (difficulty walking), tremors, and seizures. Symptoms can occur within 30 minutes to 4 hours. Animals can also be at risk for salt toxicity when they ingest homemade play-doh, salt ornaments, baking soda, de-icing products, and other salt-containing products.


Even with the best planning and intentions, our pets will occasionally be exposed to toxic substances in the kitchen. If you suspect your pet has had a toxic exposure call your veterinarian or Pet Poison Helpline immediately as time is of the essence. It is not always safe to induce vomiting or administer other home remedies. Seek counsel before taking action.


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Stomach Flu with Bloody Diarrhea in Dogs

Hemorrhagic gastroenteritis is identified by blood in the vomit and/or stool, often due to a food borne illness. Because it is a serious disorder that can be potentially fatal, immediate veterinary care is required.

Symptoms

Continuous vomiting and/or diarrhea are the most common symptoms.

Other symptoms include:

  • Lethargy

  • Listlessness

  • Anorexia

  • Weight loss

  • Fluid loss

  • Electrolyte imbalance

  • Dehydration

  • Hemoconcentration

  • Hypovolemic shock

Causes

Infectious gastroenteritis is caused by pathogens (infectious agents). Some of the pathogens most commonly associated with infectious gastroenteritis include:

  • Bacteria (e.g., Campylobacter, Salmonella, E. coli, Clostridia)

  • Virus (e.g., Parvovirus, Canine distemper)

  • Fungi (e.g., Aspergillus, Penicillium, Fusarium)

  • Parasites (e.g., Roundworms, Hookworms, Tapeworms, Whipworms, Coccidia)

E. coli, Salmonella and Corynebacterium are the most significant intestinal pathogens because they can be passed from animal to human or vice versa. Salmonella infections are also important due to the association with reproductive disorders.

Sudden dietary changes and/or dietary toxins may cause irritation and/or affect the immune system. Eosinophilic gastroenteritis, a chronic form of the illness, has been associated with allergens in dog foods. Gastroenteritis may be also observed due to irritation caused by stress, toxins, physical obstruction, ulcers, and abdominal disorders.

Gastroenteritis is not specific to any breed or gender, however, small breed dogs are more prone to infectious gastroenteritis.

Diagnosis

It may be difficult to identify the cause of gastroenteritis. Therefore, invasive diagnostic procedures may be required if routine diagnostic procedures are not successful.

A brief outline of diagnostic procedures:

Medical history:

  • Physical obstruction, tumors, ulcers, intestinal blockage, etc.

  • Information about the severity, progression and magnitude of the vomiting and diarrhea

  • The vaccination record may help in ruling out a parvoviral infection

Physical observations:

  • A skin test to determine the presence and extent of dehydration

  • An abdominal palpation to check abdominal pain and/or abdominal obstruction

  • An examination of mucus membranes to determine hemorrhagic losses

  • Cardiovascular function provides information on dehydration and/or blood loss

  • Visual observation of the vomit and/or stool to determine if there is blood present

Routine blood/biochemical tests:

  • Packed cell volume (hematocrit) data to confirm hemorrhagic gastroenteritis

  • Biochemical tests (i.e., liver, kidney, blood protein, and blood sugar)

Fecal study:

  • Cultural assays to identify any potential microbiological or parasitic organisms

Radiographs/endoscopy:

  • To locate any potential physical obstruction, tumor, ulcer, intestinal blockage, etc.

Treatment

In most of the cases, dogs recover and respond very well. The course of treatment, however, is dependent on the underlying cause of the condition. A brief outline of treatment is given below:

  • Fluid and electrolyte therapies are important, especially in cases of hemorrhagic gastroenteritis.

  • Antibiotic therapy may be restricted to animals with systemic infections.

  • Corticosteroid therapy is useful in cases of shock. Usually hypovolemic shock develops due to dehydration.

  • Dog medications that soothe the intestine and bind noxious agents can also be used in supportive therapy.

  • Parasitic infections are treated with anthelmintics.

  • Physical obstruction, ulcers and tumors may need surgical treatment.

Living and Management

An improved diet may reduce intestinal infections and other gastrointestinal disorders. The main priority should be to provide healing time for the dog's inflamed intestinal area. Thus, food and water should not be given for at least a period of 24 hours to rest the intestine. Then, provide a bland diet for three to seven days, followed by a gradual return to the dog's normal diet.

Often dietary irritants (especially protein) may lead to a recurrence of the problem. In these cases, a special hypoallergenic medical diet may be required.

Prevention

Some veterinarians have recently emphasized the importance of restoring intestinal microflora through food additives (e.g., probiotics, prebiotics, and synbiotics) in order to prevent the infection from recurring.

If dog owners are using homemade diets, the ideal micro- and macro-nutrient profile, along with optimum energy density, must be the focus of formulation. These diets provide highly digestible nutrients, less fats and restricted osmolarity. Consult your veterinarian for a proper, well-balanced diet for your dog.


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Related: We have more information under our dog health category.