Dog Raisin Toxicity Calculator – Find Grape Toxicity in Dogs

Introducing our Dog Raisin Toxicity Calculator – your trusted resource for understanding and mitigating the risks of grape ingestion in dogs. Raisins and grapes can be harmful to our furry companions, but with this tool, you can quickly assess the potential toxicity levels based on your dog’s weight and the freshness of the fruit. Our comprehensive guide will help you identify symptoms, toxic amounts, and take immediate steps to ensure your dog’s well-being. Don’t leave your pet’s health to chance – empower yourself with knowledge and protect your canine friend from grape toxicity. Explore our calculator and keep your dog safe.

What is a Dog Raisin Toxicity Calculator?

A Dog Raisin Toxicity Calculator is a tool or application designed to help dog owners assess the potential risk of raisin or grape ingestion for their dogs. Raisins and grapes are known to be toxic to dogs and can cause serious health issues, including acute kidney failure. The calculator typically takes into account the dog’s weight and the amount of raisins or grapes consumed to estimate the level of toxicity and the potential severity of the situation.

Here’s how a typical Dog Raisin Toxicity Calculator works:

  1. Dog’s Weight: You input your dog’s weight in the calculator. This is important because the level of toxicity can vary based on the dog’s size.
  2. Amount of Raisins/Grapes: You specify the amount of raisins or grapes your dog has consumed, either in terms of quantity or weight.
  3. Calculation: The calculator uses a formula or guidelines to estimate the potential toxicity level based on the dog’s weight and the amount of raisins or grapes ingested.
  4. Results: The calculator provides results that may include an assessment of whether the consumption is within a safe range or if it falls into a potentially toxic or dangerous range. It may also provide recommendations on what steps to take next.

The goal of a Dog Raisin Toxicity Calculator is to give dog owners a quick way to determine if their dog may be at risk and whether they should seek immediate veterinary attention.

How does this Dog Raisin Toxicity Calculator work?

The Dog Raisin Toxicity Calculator is a tool designed to help dog owners assess the potential risk of their dog consuming raisins, which can be toxic to dogs. Here’s how it works in simple terms:

  1. Dog’s Weight: You start by entering your dog’s weight in kilograms (Kg). This is important because the risk of raisin toxicity can vary depending on the dog’s size.
  2. Freshness of Raisins: You select the freshness level of the raisins your dog may have eaten. You have three options: Very Fresh, Fresh, or Not Fresh.
  3. Calculate: After entering the dog’s weight and selecting the freshness level, you click the “Calculate” button.
  4. Results: The calculator then provides you with some information. It doesn’t show the actual calculations but gives you two important pieces of information:
    • Toxic Amount of Raisin (grams): This tells you roughly how many grams of raisins your dog should avoid consuming. The higher the dog’s weight and the fresher the raisins, the more grams to avoid.
    • Toxic Number of Raisins: This is a rough estimate of how many raisins your dog should avoid. It’s based on the dog’s weight and the freshness level of the raisins.

Difference between dog grape toxicity calculator and dog raisin toxicity calculator

Actually, grape toxicity calculator and raisin toxicity calculator are the same thing. The terms “grape toxicity calculator” and “raisin toxicity calculator” are often used interchangeably because both grapes and raisins can be toxic to dogs. However, there isn’t typically a distinct difference between the two calculators; they serve the same purpose: to help dog owners assess the potential risk of grape or raisin ingestion by their dogs. Here are the key similarities and potential differences:


  • Both calculators consider the dog’s weight and the amount of grapes or raisins ingested to estimate the level of toxicity and potential harm to the dog.

Potential Difference:

  • In some cases, a “grape toxicity calculator” might be designed to assess the toxicity of fresh grapes, while a “raisin toxicity calculator” could be tailored to assess the toxicity of raisins (which are dried grapes). The difference, if any, would primarily lie in the specific data or toxicity factors used for fresh grapes versus raisins.

You can use the calculator on this page as both the dog grape toxicity calculator and the dog raisin toxicity calculator. We have an option that involves the freshness of the grape. The freshness option makes the bridge between the grape and raisin calculator.

Why Are Raisins and Grapes Toxic To Dogs?

According to Susan Culp and Uche Ajufo, two renowned veterinarians, the exact reason why raisins and grapes are toxic to dogs is not yet fully understood; research is still going on. However, there are several theories about why these fruits can be harmful to dogs:

  1. Mycotoxins: Some researchers believe that mycotoxins, which are toxic substances produced by certain molds or fungi that can grow on grapes and raisins, might play a role in their toxicity. The presence of mycotoxins could lead to various adverse reactions in dogs.
  2. Salicylates: Grapes, as well as raisins, contain salicylates, which are similar to aspirin. Ingesting salicylates can lead to gastrointestinal irritation, decreased blood flow to the kidneys, and other harmful effects in dogs.
  3. Tartaric Acid: There is also suspicion that tartaric acid and potassium bitartrate, found in high concentrations in grapes and raisins, could contribute to their toxicity. These compounds might harm the kidneys and lead to kidney damage or failure.
  4. Unknown Toxin: Despite extensive research, no specific toxin responsible for grape and raisin toxicity in dogs has been identified. It’s possible that the toxic effect is the result of a combination of factors or substances.

It’s essential to note that the toxic reaction to grapes and raisins can vary widely among individual dogs. Some dogs may ingest grapes or raisins without any apparent ill effects, while others can experience severe toxicity from consuming even a small amount. Because the exact cause of toxicity remains uncertain, any ingestion of grapes or raisins by dogs should be treated as a cause for concern, and immediate veterinary attention is recommended to ensure the dog’s well-being.

Symptoms Of Raisin Toxicity In Dogs

Symptoms Of Raisin Toxicity In Dogs

Raisin toxicity in dogs can lead to various symptoms, and the severity of these symptoms can vary depending on factors such as the dog’s size, the amount of raisins consumed, and individual sensitivity. According to Uche Ajufo (having Veterinary Medical License) some common symptoms of raisin toxicity in dogs are given below:


One of the earliest and most common signs of raisin toxicity is vomiting. Dogs that have ingested raisins may vomit within a few hours of ingestion. Keep it in mind that vomiting may be caused from other factors too.


Alongside vomiting, dogs may experience diarrhea, which can contribute to dehydration.


Affected dogs often become lethargic, weak, and less active than usual. They may lack their usual energy and enthusiasm. If you get these three symptoms altogether, contact your nearest veterinarian.

Loss of Appetite:

Dogs may lose interest in eating and exhibit a reduced appetite. But you have to observe it for a long period of time.

Abdominal Pain:

Some dogs may show signs of abdominal discomfort or pain, which can manifest as restlessness or sensitivity when their abdomen is touched.


Excessive vomiting and diarrhea can lead to dehydration. Signs of dehydration include dry gums, excessive panting, and a sunken appearance to the eyes.

Excessive Thirst and Urination:

Dogs may drink more water than usual and subsequently urinate more frequently. According to veterinary practitioners, when toxicity happens in the stomach of the dog, the stomach transmits signals to the brain to dissolve the toxicity. Thus, dog’s brain wants water to dissolve the toxicity. Therefore the dog becomes very thrusty.

Bad Breath:

An unusual or foul odour from the dog’s mouth can signify raisin toxicity. According to Uche Ajufo, toxic elements can not decompose in the dog’s stomach. It combines with other components present in the stomach and creates an odd smell. Eventually, it comes out from the mouth or anus of the dog. So, if you find any kind of bad smell in your dog’s mouth, you should consult with a dog’s doctor.

Kidney Damage or Failure:

In severe cases of raisin toxicity, especially when a substantial amount of raisins has been ingested, dogs may experience acute kidney damage or failure. This can lead to a range of additional symptoms, such as:

  • Uremic breath (a distinctive ammonia-like odor in the breath).
  • Severe weakness and lethargy.
  • Reduced or absent urine production.
  • High blood pressure.
  • In extreme cases, a dog can lapse into a coma.

Steps to Follow if Dog Shows Raisin or Grape Poisoning Symptoms

According to Susan Culp, the only solution is to contact an expert veterinarian if the raisin or grape toxicity level is high. However, if you suspect that your dog has consumed raisins or grapes and you observe symptoms of poisoning, it’s crucial to take immediate action to ensure your dog’s safety and well-being. Here are the steps to follow as per Susan Culp’s suggestion:

Stay Calm:

It’s essential to remain calm and composed, as your dog may sense your anxiety. Staying calm will help you think clearly and take the necessary actions.

Contact a Veterinarian:

Immediately contact your veterinarian or an emergency veterinary clinic. Inform them about the situation and the symptoms you have observed. Follow their guidance on what to do next.

Do Not Induce Vomiting:

Unlike other types of poisoning, inducing vomiting is generally not recommended in raisin or grape ingestion cases. Your veterinarian will advise whether vomiting should be induced based on your dog’s specific circumstances.

Keep Your Dog Hydrated:

Offer fresh, clean water to your dog, but do not force them to drink. Hydration is essential, especially if there has been vomiting or diarrhea.

Do Not Give Home Remedies:

Avoid giving any home remedies or over-the-counter medications to your dog without veterinary guidance. Some substances that are safe for humans can be toxic to dogs.

Monitor Your Dog:

Keep a close eye on your dog’s condition while waiting for veterinary care. Note any changes in symptoms, behavior, or vital signs.

Collect Information:

Gather information about the type and quantity of grapes or raisins your dog may have ingested. This information will be helpful for the veterinarian.

Transport to the Veterinarian:

If your veterinarian advises it, transport your dog to the veterinary clinic as soon as possible. Use a secure pet carrier or restraint for safety during travel.

Follow Veterinary Instructions:

Once at the veterinary clinic, follow the instructions of the veterinary team. They may perform diagnostic tests, provide treatment, and monitor your dog’s condition.

Be Prepared for Treatment:

Be prepared for various treatments that may be necessary, including inducing vomiting, administering activated charcoal to absorb toxins, intravenous fluid therapy to flush out toxins and support kidney function, and other supportive care.

Follow-Up Care:

After initial treatment, your dog may require additional monitoring and follow-up care. Be sure to follow your veterinarian’s recommendations for ongoing treatment and observation.

How many raisins or grapes can kill a dog?

The information provided is generally accurate. As mentioned, the toxic dose of grapes or raisins that can be dangerous to a dog is approximately 0.7 ounces of grapes per kilogram of body weight or 0.1 ounces of raisins per kilogram. This means that even a small number of grapes (as few as 3 grapes) or raisins (as few as 3 raisins) could potentially be fatal for a small dog weighing 2.5 pounds, while a larger dog weighing 10 pounds might be at risk with 12 grapes or 12 to 15 raisins. But it depends on the metabolism of the dog, bread of the dog and many other factors.

The veterinarian says that the toxicity of grapes and raisins can vary among individual dogs, and there is no exact threshold that applies universally. Therefore, it’s always safest to keep grapes and raisins away from your dog entirely and seek immediate veterinary attention if ingestion is suspected. Prevention is the key to ensuring your dog’s safety.

How do you prevent your dog from eating grapes or raisins?

It is really difficult for pet lovers or dog owners to prevent their dog from eating grapes or raisins. However, to avoid your dog from eating grapes or raisins, follow these precautions:

  1. Keep Them Out of Reach: Store grapes and raisins in a location that is completely inaccessible to your dog. This includes countertops, tables, and any place your dog can easily access.
  2. Be Cautious with Snacks: If you’re snacking on grapes or raisins, be careful not to drop any on the floor, where your dog might find them.
  3. Educate Family and Guests: Make sure everyone in your household knows about the danger of grapes and raisins to dogs and understands the importance of keeping them away from pets.
  4. Check Ingredients: Carefully read food product labels, especially snacks or baked goods, to ensure they do not contain grapes, raisins, or grape derivatives.
  5. Proper Disposal: Dispose of grape and raisin waste securely in a trash can with a lid. Do not leave them in an open trash can that your dog can access.
  6. Monitor Outdoor Areas: If you have grapevines or grape plants in your yard, keep an eye on them to ensure that grapes do not fall where your dog can access them.
  7. Be Vigilant: Pay attention to what your dog is eating, especially if you’re out for a walk or at a park where there may be discarded food items.

What other common foods are toxic to dogs?

According to Susan Culp and Uche Ajufo, there are so many foods, fruits and vegetables that are toxic to dogs. Here are several common foods that can be toxic to dogs:


Chocolate contains theobromine and caffeine, which can be toxic to dogs. Dark chocolate and unsweetened baking chocolate have the highest levels of these substances and are the most dangerous. It can damage the brain of the dog.


Xylitol is an artificial sweetener found in sugar-free gum, candies, baked goods, and some peanut butter brands. It can cause a rapid release of insulin in dogs, leading to hypoglycemia (low blood sugar), seizures, and liver failure.

Onions and Garlic:

Onions and garlic contain compounds that can damage a dog’s red blood cells, leading to anemia. While small amounts may not be immediately harmful, larger quantities can be toxic.


Alcohol can cause intoxication and alcohol poisoning in dogs. Even small amounts can lead to symptoms like vomiting, diarrhea, coordination problems, and in severe cases, coma or death.


Caffeine is found in coffee, tea, energy drinks, and some medications. Like chocolate, it contains theobromine and can lead to similar symptoms in dogs. It has a direct impact on a dog’s brain.

Grapes and Raisins:

As discussed, grapes and raisins can cause kidney failure in dogs. It may also put your beloved dog to death. Avoid offering grapes and raisins to your dog.


Avocado contains a substance called persin, which can be toxic to dogs in large amounts and cause digestive issues. You should always keep Avocado from your dog meal.


Cooked bones, especially chicken or turkey bones, can splinter and cause choking or internal injuries. Moreover, some bones contain chromium, which is very generous for your dog’s health.

Fatty Foods:

High-fat foods like bacon, fried foods, and fatty cuts of meat can lead to pancreatitis in dogs, a painful and potentially life-threatening condition.

Macadamia Nuts:

Macadamia nuts can cause muscle weakness, tremors, vomiting, and other symptoms in dogs.


Almonds are difficult for dogs to digest and can lead to gastrointestinal upset. You should avoid nuts from the meal list of your dog.

Dairy Products:

Many dogs are lactose intolerant, so dairy products like milk and cheese can cause digestive issues, including diarrhea.

Bread Dough:

Raw bread dough containing yeast can expand in a dog’s stomach and cause bloating and discomfort.


Excessive salt intake can lead to sodium ion poisoning in dogs, causing symptoms like vomiting, diarrhea, seizures, and even death.


While not all mushrooms are toxic, some wild mushrooms can be harmful to dogs, causing symptoms ranging from mild stomach upset to organ failure.

You should always try avoiding these foods from your dog.

What happens if a dog eats 10 raisins?

Eating 10 raisins can be dangerous for a dog. It may take your dog to the grave. Raisins and grapes can be toxic to dogs, and the exact toxic dose can vary from one dog to another. Some dogs may consume raisins without showing any immediate symptoms, while others can experience severe reactions. You see several symptoms when your dog eats ten raisins or grapes.

Some of the symptoms are given below:

  1. Vomiting
  2. Diarrhea
  3. Lethargy
  4. Lack of appetite
  5. Abdominal pain
  6. Weakness
  7. Increased thirst and urination
  8. Tremors or seizures (in severe cases)

In some cases, raisin or grape ingestion can lead to acute kidney failure, which can be life-threatening. It’s crucial to take any ingestion of raisins or grapes seriously and seek immediate veterinary attention, even if your dog hasn’t shown symptoms yet.

The best approach is prevention. Keep raisins and grapes out of your dog’s reach and be cautious about foods and snacks that may contain these ingredients. If you suspect your dog has eaten raisins or grapes, contact your veterinarian or an animal poison control hotline for guidance. Early intervention can significantly improve the chances of a positive outcome.

Table on dog raisin or grape toxicity

Weight of Dog (Kg)Freshness of Raisin/GrapeToxic Amount of Raisin (grams)Toxic Number of Raisin
1.0 kgVery Fresh2.813
2.0 kgFresh5.626
3.0 kgNot Fresh8.439
4.0 kgVery Fresh11.2412
5.0 kgFresh14.0515
6.0 kgNot Fresh16.8618
7.0 kgVery Fresh19.6721
8.0 kgFresh22.4824
9.0 kgNot Fresh25.2927
10.0 kgVery Fresh28.1030
11.0 kgFresh30.9133
12.0 kgNot Fresh33.7236
13.0 kgVery Fresh36.5339
14.0 kgFresh39.3442
15.0 kgNot Fresh42.1545
16.0 kgVery Fresh44.9648
17.0 kgFresh47.7751
18.0 kgNot Fresh50.5854
19.0 kgVery Fresh53.3957
20.0 kgFresh56.2060
21.0 kgNot Fresh59.0163
22.0 kgVery Fresh61.8266
23.0 kgFresh64.6369
24.0 kgNot Fresh67.4472
25.0 kgVery Fresh70.2575

Data, algorithm, accuracy, performance and content validation

We created this Dog Raisin Toxicity Calculator with the direct instruction of Loni Taylor, Merritt Drewery, Susan Culp and Uche Ajufo. They gave us suggestions and instructions. Moreover, they checked and validated this calculator’s algorithm, data, performance and accuracy. Apart from that, they also checked and validated all the content on this webpage. Therefore, we can ensure that the information on this webpage is authentic as a group of veterinary professionals validated the information. Merritt Drewery is a professor of animal nutrition and animal science. She has knowledge and hands-on experience in animal nutrition. On the other hand, Loni Taylor is a Doctorate in Veterinary Medicine. Apart from that, Susan Culp and Uche Ajufo are registered veterinary medical practitioners.

Also, we have covered lots of scientific papers on dog raisin toxicity to create this calculator. Some of them are enlisted below:

  1. Acute Renal Failure in Dogs After the Ingestion of Grapes or Raisins: A Retrospective Evaluation of 43 Dogs (1992–2002)
  2. Acute kidney injury in dogs following ingestion of cream of tartar and tamarinds and the connection to tartaric acid as the proposed toxic principle in grapes and raisins
  3. Acute renal failure associated with raisin or grape ingestion in 4 dogs
  4. Potential plant poisonings in dogs and cats in southern Africa: review article
  5. Factors influencing outcome of Vitis vinifera (grapes, raisins, currants and sultanas) intoxication in dogs
  6. Toxicosis with grapes or raisins causing acute kidney injury and neurological signs in dogs
  7. New and unusual causes of acute renal failure in dogs and cats
  8. Toxicity in dog due to feeding of grape raisins