There are prohibited foods for dogs that every guardian should know, especially if the dog is fed homemade recipes, whether raw, such as the BARF diet, or lightly cooked. Precisely for this reason, in this list on our site we will talk to you, not only about toxic foods for dogs, but also about foods that are bad, dangerous, harmful and even deadly.
Discover below which foods are prohibited for dogs and definitely eliminate them from their diet, also, in case of doubt, we advise you consult your veterinarian, who will help you create an even more complete and personalized list taking into account the medical history and many other relevant details about the he alth status of your best friend. In any case, all the information we share is based on scientific studies prepared by veterinarians and biologists:
List of prohibited dog foods
Before starting to list some harmful foods for dogs, it is important to point out that not all of them are especially harmful. In fact, in this list on our site you will find ingredients that can cause long-term damage if abused, while others are considered foodsmortales for dogs in very low doses, so its consumption should be avoided in any case. Review carefully the notes of each of the foods that we will show you to know what their degree of toxicity is:
1. Onion
We begin the list of prohibited foods for dogs with a classic, the onion (Allium cepa), without a doubt one of the foods that we should completely exclude it from the dog's diet since it is a potentially toxic food. Its allicin content is released after chewing and the substance that degrades, n-propyl disulfide, causes oxidative damage to the cell membranes of erythrocytes, breaking inside the blood vessels and causing anemia hemolytic[1] [2][3]
You should not worry if your dog has eaten a small dose of onion by accident, however, continued ingestion causes gastrointestinal problems and, in the most acute cases, the appearance of jaundice due to haemolysis. For every 15 grams per kilo of the dog's weight, we can begin to observe symptoms of toxicity in the dog. The symptoms of onion poisoning usually go unnoticed, but we could notice vomiting, weakness and a change in the color of the mucous membranes of the dog.
two. Coffee, tea and chocolate
The coffee, the tea and thechocolate have in common methylxanthine , a stimulant alkaloid that acts directly on the dog's central nervous system. In coffee we find caffeine, in tea theophylline and in chocolate theoboromine, all of them toxic substances in large quantities. We could also include other alkaloids in this section, such as those present in cola drinks.
Xatins, in addition to affecting the CNS can impair the functioning of the kidneys, the cardiovascular system, smooth muscle and muscle fluted. Although there are dogs that are more sensitive than others to methylxanthine, the truth is that 100 grams of dark chocolate in a medium-sized dog can be fatal [4] It is one of the most serious toxic foods for dogs.
The most common symptoms of methylxanthine poisoning are vomiting, diarrhoea, incontinence and tremors. It is best to make the dog vomit before two hours.
3. Avocado
The avocado (Persea americana) is undoubtedly one of the most well-known forbidden vegetables for dogs, due to itscontent. persin , a fungal toxin derived from fatty acids. Its level of toxicity is mild in dogs and cats, however, in other animals it can cause serious symptoms, especially in birds and ruminants.
The toxin is only found in the bone and leaves of the plant, but not in the flesh of the vegetable. After its consumption we can observe vomiting, diarrhoea, lack of stool production and, in the most serious cases, the development of a pancreatitits (inflammation of the pancreas). The greatest risk of avocado consumption is caused by blockage of the bone in the esophagus.
4. Garlic
As with onions, garlic (Allium sativum) contains allicin, which could also cause the appearance of hemolytic anemia[5] before regular and excessive consumption. It is another of the prohibited foods for dogs. However, unlike onions, garlic has been the subject of study and potent antibiotic, antifungal, antiparasitic, and immune and cardiovascular system enhancing effects have been discovered Of the dog.
Although it is a food that is best avoided, especially in dogs suffering from immune, digestive or allergy problems, the consequences or benefits of consuming this product can vary enormously depending on the individual, their genetics, the dosage etc. In the presence of garlic poisoning we would observe the same symptoms as in onion poisoning.
In any case, before using garlic for dogs it is always advisable to consult your veterinarian to help us find a safe dose for our best friend that allows us to offer you all the benefits without the risk of developing he alth problems.
5. S alt
Many people who prepare homemade diets for dogs use sal as another seasoning, despite a high sodium chloride intake it can lead to dehydration of the dog, aggravate heart and kidney diseases or cause intoxication. Let us remember that s alt is the most used product to induce a dog to vomit. Symptoms of s alt poisoning include vomiting, internal bleeding, incoordination, diarrhoea, polydipsia and polyuria (constant urge to drink and urinate), seizures and shock. It is one of the toxic foods for dogs that more people include in their animal's diet without being aware of it.
6. Macadamia nuts
The Macadamia nuts (Macadamia integrifolia) are a fruit of a proteacean shrub. Its consumption causes intoxication and there are several studies that demonstrate the toxicity of this fruit, whether consumed raw or roasted. It is one of the harmful foods for dogs. Macadamia nuts directly affect the dog's CNS and act abruptly after 24 hours of ingestion. Clinical symptoms include depression, vomiting, ataxia, tremors, abdominal pain, rigidity, and pale or anemic mucous membranes are easily seen. Although the initial effects are serious, consumption of Macadamia nuts is not fatal[6][7]
7. Grapes and Raisins
grapes and raisins are rich in linoleic acid (as well as other fatty acids), however, studies agree that some component of this fruit, present in variable amounts, or some extrinsic compound causes kidney failure [8] It is one of the most dangerous and unknown prohibited foods for dogs.
It can be seen that dogs that eat grapes or raisins show a higher concentration of blood urea nitrogen and serum creatinine. The most toxic part of grapes is undoubtedly the seeds, although it is recommended to discard the fruit completely from the dog's diet.
Symptoms of poisoning from grapes or raisins are vomiting, diarrhea, lethargy, ataxia, polyuria, and weakness. The main problem with the consumption of these foods is that the exact mechanism that causes the internal injuries[8] is not known
8. Alcohol
alcohol is present in our diet and its negative effects on the body are multiple and well-known, affecting the CNS and causingserious liver damage Our dog can consume it by accident due to alcoholic bottles, perfumes, mouthwashes and even after ingestion of rotten apples
Alcohol can also cause alcohol poisoning very easily. Without a doubt, offering this product to our dog should be completely ruled out and in case of accidental ingestion it should be immediately go to a veterinary centerWe are therefore talking about one of the bad foods for dogs that should not be offered in any case.
9. Raw bread dough
The conventional yeasts or ferments that we use to make cakes and other recipes contain Saccharomyces cerevisiae, a unicellular fungus quite harmful. Whether by ingesting uncooked bread dough or directly from yeast, we can cause poisoning in our dog. The most frequent symptoms are gas, vomiting, diarrhoea, malaise and lethargy.
It is one of the dangerous foods for dogs. Of course, its level of toxicity varies from mild to severe, depending on the amount ingested, since in the most severe cases it can cause hypothermia, hypotension, hypoglycemia and even collapse.
10. Cooked bones
Another prohibited food for dogs is Cooked bones Whether from a broth, from a recipe made in the oven or grilled, cooked bones should never be offered to dogs, as they can cause tooth breakage. They also splinter easily, which could lead to tracheal obstruction, injuries and perforations, tearing and many other internal injuries. To avoid this, we will always bet on offering raw and meaty bones.
eleven. Cherries
In the case of American black cherry (Prunus serotina) or Virginia cherry(Prunus virginiana) we must be very careful, because although dogs and cats can eat the flesh of the fruits, we must completely avoid seeds, leaves and stem, which are considered toxic foods for dogs, due to their content in cyanideIts toxicity varies from mild to moderate and after consumption various symptoms may appear, such as dilated pupils, difficulty breathing, red gums, shock and even death.
12. Mushrooms
As you know, the consumption of certain species of mushrooms can intoxicate humans, as well as dogs, thus becoming one of the deadly foods for dogs. We are talking especially about mushrooms belonging to the genera Amanita, Galerina and Lepiota, but there are many more. The most characteristic symptoms of poisoning are: drooling, vomiting, diarrhoea, incoordination, lethargy, tremors, convulsions and, in the most severe cases, multi-organ failure and even death
If your dog has consumed a fungus whose toxicity you do not know, get the remains or another that is nearby (with caution, always through a plastic bag or similar) andurgently go to a veterinary center Some mushrooms act between 15 and 30 minutes, while others take longer.
13. Cannon
The carambola or carambola (Averrhoa carambola) is a tropical fruit that is part of the prohibited foods for dogs, with a toxicity that It varies between mild and severe. It contains oxalic acid as well as oxalate s alts and can be harmful in large amounts. Also in humans. May cause vomiting, loss of appetite, diarrhea, lethargy, weakness, tremors, bloody urine, excessive thirst, or excessive urination.
14. Moldy Food
Some people consider dogs to be much more resistant than humans, so they don't hesitate to offer them poor food However, we must know that tremorgenic mycotoxins from moldy food are one of the bad foods for dogs. They can be found in bread, pasta, cheese, nuts, and even compost. Symptoms include drooling, vomiting, agitation, incoordination, tremors, seizures and, in more severe cases, can cause liver failure
fifteen. Spicy
To finish we will talk about spicy food which, although it is not deadly, is part of the list of prohibited foods for dogs, as it can cause diarrhea and discomfort, so it should be avoided in any case if we want to keep our best friends in good he alth.
More prohibited dog foods
To finish, we'll mention some extra dangerous dog foods that should be avoided, although they are not life-threatening or serious:
- Leeks
- Eggplants
- Chard
- Brussels sprouts
- Almonds
- Walnuts
- Sugar
- Grenade
- Persimmons
- Thorns
- Orange
- Lemon
- Commercial ice creams
- Jelly Beans
- Bubble gum
- Refreshments
- Beer
- Green tomato
- Green Potatoes
- Fruit pits
- Raw Egg