What Happens When a Dog Eats Coffee?

Most of us just can’t even imagine a day without having coffee in the morning. And if you are a coffee person, it’s quite normal for you to drink 3-4 cups in a single day! I mean, for coffee lovers like us, it mostly stands for energy, inspiration, creativity and many more.

But what about our pets? Do they feel the same level of craze as we feel for coffee? Well, the craze part is normal, but the main question is, is the coffee good for your fluffy dog friend?

Many of you aren’t actually aware of what happens when a dog eats coffee. That’s why some owners aren’t careful enough to keep their canine friend away from coffee. To let you know the circumstances, I’ll be filling you in on what will happen if your dog eats coffee.

So, let’s get started!

Can They Eat Coffee Beans or Drink it?

The obvious answer would be NO. Your dog should never ever consume coffee in any means. That being said, we all know how dogs can goof around and do stuff that they aren’t supposed to.

But as an owner, you would have to take care of your dog and be there in case of an emergency. Consuming coffee is one of those scenarios. It’s because coffee can be really toxic for your furry pet. So, when we can enjoy the wonderful blessing of coffee easily, our pets cannot.

When it comes to coffee beans, a mere two teaspoon could be toxic for your dog and can lead be many other health complications.

I’ll be sharing all the details on this. Hopefully, you’ll be able to avoid any kind of bad situations in the future.

Do you like coffee? You may also like Daily Cupo!

Why is Coffee Poisonous for the Dog?

Coffee is a wonderful stimulant for us and helps us work throughout the day without feeling tired.

However, for dogs, coffee does the exact opposite. It can cause some serious damages to their internal organs right after it’s consumed. Let’s see what they are:


After the caffeine gets mixed in the bloodstream, it slowly increases the heart rate of your dog. The excessive heart rate increase makes the heartbeat in a hazardous way. The worst part is that the heart starts to beat irregularly after some time.

According to a study, only 25mg of caffeine can make your dog’s heart go into ventricular fibrillation. V-fib is not a good heart rhythm and increases the change of cardiac arrest to a great extent. So, your dog could have a heart attack if he consumes too much and is left untreated.


Caffeine puts too much pressure on the dog’s kidney. These are closely related to the bladder and coffee consumption could make them pee a lot than usual. This could result in possible dehydration, which will further stress the kidneys.

If the dog overeats coffee, then his kidneys could even fail along with renal failure.

Central Nervous System:

Coffee will excite your dog too much, and it will affect the CNS pretty badly. If you see your dog acting really restless and run around like crazy, then it already affected his CNS.

It could result in pacing, muscle tremors, seizures and the most dangerous one – coma. The dog’s body will try to reject the toxicity, which will make him vomit and induce diarrhea. If it reaches the lungs, then it can paralyze them and make him stop breathing.

What’s the Lethal Dose Rate?

Dogs can absorb coffee really fast, faster than us. That’s the irony. But the issue is, what amount can be lethal for your dog? According to doctors, the toxic dose for your dog is 140mg per kg. This means that, if your dog has a weight of 3kg then it would only need 420mg.

This might seem like a lot to you, but it’s not that much for your dog. A strong full jug of coffee will have 140mg caffeine in it. Do remember that it will depend on your dog’s weight. So, if you have a small dog, then it would take less caffeine to toxicate him.

However, don’t think that your dog is safe as long as it’s lower than the lethal amount. With a smaller dose, your dog will start to show neurological and minor symptoms that can make him sick.

So, stay alert at all times.

Major Symptoms of Coffee Poisoning

You can’t watch your dog 24/7. There might be some time where your dog could sneak in and eat coffee beans. Sometimes coffee grounds are too tasty for your dog, and he could go through the trash to eat it. So, how will you ever know if your dog is in distress before it’s too late?

You should look out for these symptoms. It could occur within minutes or could take twelve hours to develop. Either way, always keep a close eye on your dog.

  • Fever
  • Hyperactivity
  • Panting
  • Increased urination
  • Vomiting
  • Pacing
  • Diarrhea
  • Increased blood pressure
  • Pupil dilation
  • Muscle tremors
  • Bloating
  • Unquenchable thirst
  • Seizures
  • Fatigue
  • Coma

If you see your dog having a seizure, then the dose could be lethal. You should go to your vet immediately. In fact, if you see any of these symptoms go to your vet and treat your dog.

Treatment Process

Regarding coffee consumption, you’ll have to seek help immediately. If you want treatment to be effective, then it should be done within 2 hours of consumption. This is kind of time-sensitive task. The more you wait the least likely your dog will survive.

So, upon noticing rush to your vet as fast as you can. After that, the vet might induce vomiting to get rid of the coffee from the stomach. Once the vet makes your dog vomit, he might give your dog charcoal. What activated charcoal does here is that it absorbs any toxin that is in the bloodstream.

Even if you don’t know what caused the poisoning, activated charcoal will help. After that, your dog will get IV fluids to deal with dehydration from the vomiting. If everything goes smoothly, it could take a day to get all the caffeine out of his system.

So, be prepared for that from beforehand.

Preventing the Disaster

Obviously, prevention is the smart choice. If you are a coffee lover you should always store your coffee in a safe place where your dog won’t be able to reach it. Also, avoid throwing your coffee in the garbage.

Also, make sure your dog doesn’t drink the coffee you just made for yourself in the morning.

In The End

As an owner, it’s your responsibility to safeguard your dog in every way. So, always be prepared for the worst and keep a close eye on your pet. You might think that small dosage won’t harm that much, but beware because dogs are oversensitive when it comes to caffeine.

Coffee might be your best friend but not your dogs. That’s why make sure your dog never consumes coffee in any way.

Emma Thompson

Hi, I'm Emma Thompson. Welcome to The Pet Town! I'm a Pet lovers like you and please feel free to get in touch with any questions. Enjoy your stay!

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