Drug poisoning is a common problem for dogs and it may occur in a variety of ways. Any dose of a medication designed for humans, whether prescribed or over the counter, can have adverse effects in a dog due to lower body weight and differences in metabolism. An overdose of a medication that was prescribed by the veterinarian for your dog can also cause poisoning. Poisoning may occur through the misguided intentions of an owner (such as giving a dog an over the counter pain medication designed for humans), or accidental ingestion from a bottle left open or a lid chewed off by your dog. Many pills are sweet tasting and your dog may see them as a treat. Both situations can have serious consequences and your dog will need immediate treatment by a veterinarian. Mild cases are reversible, but severe overdose can cause long term damage or death.

Many different drugs can cause poisoning in dogs when they are not given as prescribed. This is especially true of medications that were intended for humans. Veterinarians define medication overdose in dogs as drug poisoning. Depending on the drug and the amount ingested, this can cause serious illness and even death.

Different signs can be present depending on the medication in question. These are some of the most common signs of drug poisoning in dogs. You should take your dog to a veterinarian immediately if you think poisoning is a possibility.

There are two situations which lead to drug poisoning in dogs.

Accidental and intentional overdose is possible in either of these situations. If a dog gains access to the medication accidentally, a more severe overdose is likely to occur.

These are some of the common drugs that could cause poisoning in your dog.

If you know what drug your dog has been exposed to, this will help considerably with the diagnosis. Bring along the bottle containing the medication you think your dog ingested so that the veterinarian can check the exact ingredients and dosage. It’s also extremely helpful to know the exact time that the poisoning took place. If you didn’t actually see your dog ingest the drug, it’s important to note when signs became apparent, as well as the exact nature and severity of the signs.

The veterinarian will examine your dog for vital signs, especially blood pressure, heart rate and body temperature. Bloodwork will often be done to ascertain the degree of the toxicity. Urine tests can also help to determine this. Many medications can cause kidney or liver failure, so additional tests may be done to determine the functionality of these systems.

If you don’t have immediate access to a veterinarian, calling a poison control hotline for dogs can be a helpful first treatment. Describe the details to the operator, including what drug you think your dog ingested as well as how much and when the poisoning took place. With some drugs, the operator may advise you to induce vomiting by giving your dog hydrogen peroxide with milk or through an eye-dropper. Follow any instructions you are given exactly and get your dog to an emergency treatment facility as soon as possible.

For poisoning that occurred recently, the veterinarian may induce vomiting or have your dog’s stomach pumped to limit further absorption. Activated charcoal is often given if the poisoning occurred within the last few hours. This medication will bind to the drug in your dog’s gastrointestinal tract and help to prevent it from being absorbed. Drugs which have a delayed release may need several doses of charcoal administered over a longer period of time.

Fluids are given in almost all cases of drug poisoning. This will help to maintain blood pressure, as well as diluting the drug and flushing it out of the system faster. Depending on the type of drug that was ingested, medications may be given to support heart or respiratory function.  Central nervous system symptoms such as seizures, tremors, or excessive agitation will also need to be controlled. Your dog will need to stay in a veterinary hospital overnight at the very least, and probably for several days, to ensure that all the systems have returned to normal. Vital signs will be monitored regularly and treatment will be adjusted to control the symptoms until the drug is completely flushed out. The veterinarian will try to treat any damage that has occurred through the poisoning.

Recovery will depend on the drug, the amount that was ingested, and the immediacy of treatment. Some dogs can recover from even very severe overdoses if they get to the veterinarian right away. Cases where the poisoning was not discovered until later or the cause is unknown are much harder to treat. Your dog’s prognosis will depend on the diagnoses of a veterinarian.

Prevention of drug poisoning is the best form of management. Always act sensibly with your dog’s medications: only give the prescribed dose and avoid giving anything that was designed for humans. Other safeguards include keeping medications in a locked cabinet, or on a high shelf which your dog cannot reach. Don’t leave bottle or tubes lying around even if they are sealed. Many dogs can easily chew through a plastic bottle and may even see it as a new toy.

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