If you have dogs or cats as pets, you know how difficult it can be to eat in peace around them. They’re constantly looking at your food longingly with those adorable eyes that you can’t say no to. You might even be tempted to give them a tiny morsel of your food.
However, vets strongly suggest that you stick to prescribed, commercial food that is developed specifically for your pet. Why? Because there are certain foods that are perfectly safe for us to consume but can have serious consequences for your pet. They may even cause fatalities. Here are some common foods which can cause poisoning in dogs and cats.1
1. Chocolate, Coffee, And Caffeine
The toxic ingredients here are theobromine in chocolate and methylxanthines in chocolate, coffee, and foods containing caffeine. The darker the chocolate, the larger the concentrations of methylxanthines. Therefore, cocoa powder is most harmful to dogs and cats. Theobromine is another substance that can cause harm. The substance is actually toxic to humans as well but only in extremely large quantities. The amounts seen in chocolate are small enough to pass through our system safely. Dogs and cats, however, metabolize it much more slowly. It can remain in their system for a longer time period.
Symptoms Of Poisoning
Your pet may exhibit the following symptoms 6–12 hours after ingestion:
- nausea
- vomiting
- diarrhea
- labored breathing
- thirst
- increased urination
2. Grapes, Currants, Raisins, And Sultanas
Research is still not clear as to why these fruits cause poisoning in dogs. While some dogs have eaten entire cases with no effect, others have died from eating a handful. Some theorize that it may be cryolite, a pesticide used in grapes which can cause vomiting and lesions in the kidneys.2 To be on the safer side, avoid feeding your pets any sort of vine fruits in any form. Ingestion of these fruits can cause renal failure in dogs.3 4 One needs to be prompt with the treatment of poisoning from vine fruits. Once the symptoms of renal failure are seen, the dogs are not likely to survive.
Symptoms Of Poisoning
Your pet may show the following symptoms within 6–12 hours of ingestion:
- vomiting (in almost all cases)
- diarrhea
- anorexia,
- abdominal pain
- weakness
- tremors
- lethargy
3. Onions, Garlic, Leek, And Chives
These vegetables are all from the genus Allium and contain toxic compounds that trigger anemia in dogs and cats. In cats, just 5 grams per kilogram of the body weight can cause poisoning. These components can be harmful in raw or cooked form. The concern arises with cats that may be more susceptible. This is because of a popular practice where baby food is used to feed sick cats and encourage appetite. Many baby food manufacturers use onion powder in their recipes to improve the taste. This can trigger poisoning in the cats that consume them.5 Treatment of Allium poisoning is done through blood transfusions and supportive treatment for the anemia.
Symptoms Of Poisoning
Your pet may suffer from gastroenteritis in the form of the following symptoms as a result of ingesting the above vegetables:
- vomiting
- diarrhea
- abdominal pain
- loss of appetite
- depression
- dehydration.
4. Avocado
The avocado fruit, plant, and leaves can all be toxic to most animals. It causes fluid accumulation in the pancreas, abdomen, lungs, and chest. The animals may die of oxygen deprivation as a result. The high fat content of the fruit has been associated with pancreatitis.6
Symptoms Of Poisoning
These are the symptoms of poisoning that occur with ingestion of avocado:
- gastrointestinal irritation
- vomiting
- diarrhea
- respiratory distress
- congestion
5. Macadamia Nuts
It is not clear what causes the toxicity, but it may be due to a combination of the substances in the nuts, the processing chemicals, or the presence of toxin-producing fungi. These nuts have only been observed to show toxicity in dogs. They are a popular addition to cookies and baked goods so owners must be careful about what they feed their canine friends.
Symptoms Of Poisoning
Here some symptoms that suggest macadamia nut poisoning:7
- weakness (more pronounced in hind limbs)
- depression
- vomiting
- abdominal pain
- loss of full control over bodily movements
- muscle tremors,
- swollen and painful limbs
- paralysis of the hind limbs
- hyperthermia (with temperatures up to 40.5 °C)
- elevated heart rate
- lameness
- stiffness
6. Xylitol
Xylitol is an artificial sweetener used in place of sugar. It may be in sugar-free gum, toothpaste and baked goods. It can even be in some brands of peanut butter which explains the incidence of poisoning in dogs. While it does not have much of an effect in humans, in dogs, xylitol causes a significant release of insulin leading to sudden drops in blood sugar.8 It may even cause liver damage and death.9
Symptoms Of Poisoning
Your pet may exhibit the following symptoms after ingesting foods containing xylitol:
- vomiting
- weakness
- ataxia
- depression
- difficulty breathing
- increased thirst and urination
- seizures
7. Alcohol
The ethanol in alcohol can cause depression of the central nervous system of the animal. Dogs and cats metabolize alcohol differently than us, which results in the production of acetone in their bodies. Alcohol can also adversely affect their blood sugar and body temperature. Beer is especially poisonous to dogs because of the hops used in its production. Make sure your pet doesn’t ingest any raw yeasted doughs or batters either since they also contain alcohol.
Symptoms Of Poisoning
Your pet may display the following symptoms after ingesting any form of alcohol:
- lethargy
- sedation
- hypothermia
- vomiting
- diarrhea
- poor breathing
Take every precaution to ensure that these foods or foods containing these substances are kept out of your pet’s reach. Even with caution, it is possible that your pets may accidentally ingest these foods on the sly. For this reason, it’s important to keep a watchful eye over your pets and their behavior. If you notice any unusual symptoms or suspect that they may have ingested any of the above foods, take them to the vet immediately.
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