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7 Human Foods That Are Dangerous to Dogs

Writer: Marian Mensah-Abrampa
Marian Mensah-Abrampa
May 8
3 min read

They may look harmless on your plate, but they don't belong in your dog's bowl.


Dogs don’t exactly have the best reputation when it comes to food decisions. If it smells good, it’s considered fair game—whether it fell on the floor five seconds ago or is still on your plate. But while their curiosity makes them entertaining (and occasionally frustrating), it can also get them into serious trouble. Many common human foods contain ingredients that dogs can’t safely process, turning an innocent snack into a medical emergency. Before you share your next bite, here are seven foods every dog owner should think twice about.


  1. Chocolate


    Chocolate might be a comfort food for humans, but for dogs, it can quickly become dangerous. The theobromine in chocolate builds up in their system and can affect the heart and nervous system, leading to symptoms ranging from vomiting to serious neurological distress. With one bite, a sweet snack quickly becomes a medical emergency.


  2. Grapes & Raisins


    Something as simple as a grape or raisin can have serious consequences for dogs. Even small amounts have been linked to acute kidney failure, and because sensitivity varies, there is no "safe" dose, making this a strict no-go snack.


  3. Onions & Garlic


    If there's one thing every Ghanaian kitchen has, it's onion and garlic. Whether fresh, cooked, or dried, onions and garlic contain substances that can break down a dog's red blood cells over time. This can result in anaemia and weakness if consumed repeatedly or in large amounts. Your favourite seasoning base could spell trouble for your furry companion.


  4. Xylitol


    A sugar substitute found in sugar-free gum and some sweets; xylitol is extremely toxic to dogs. It causes a sudden insulin spike that drops blood sugar to dangerous levels, potentially causing liver damage in severe cases.


  5. Alcohol


A small spill for us can be a big emergency for them. Dogs are more sensitive to alcohol than humans. What may seem like a tiny sip can quickly impair their nervous system, leading to confusion, vomiting, and potentially life-threatening complications.


  1. Avocado


Let's be honest- Ghanaians put avocado on everything. Bread, rice, even full meals aren't safe from it. But while we're enjoying it freely, dogs don't handle it the same way. Avocados contain persin, which can upset their stomachs and cause vomiting or diarrhoea, especially if they eat a lot.

  1. Cooked Bones


This one is very familiar in many Ghanaian homes. After a nice soup or grilled meat, the bone often goes straight to the dog. But cooked bones are actually one of the most dangerous treats you can give. Once cooked, they become brittle and splinter easily, leading to injuries in the mouth, throat, or digestive tract.

At the end of the day, most of these foods are completely normal in Ghanaian homes—part of daily cooking, snacks, and shared meals. The danger isn’t that they’re unusual, it’s that they’re so familiar that we don’t always think twice about them.

For dogs, however, even small accidental bites can sometimes lead to serious health issues. What looks like “just a little taste” to us can be something their bodies simply aren’t built to handle.


Now over to you 👇

  • Did any of these surprise you?

  • Have you ever had a close call with your dog and human food?

  • What other common Ghanaian foods do you think dog owners should be careful about?

Drop your thoughts in the comments below or join the conversation on our social pages—we want to hear what you’ve seen, experienced, or learned from your own pets.

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