How Much Trazodone for 70 lb Dog

Trazodone is a medication that is often used to treat anxiety, depression, and insomnia in dogs. It is a serotonin reuptake inhibitor (SSRI) that works by increasing the levels of serotonin in the brain. This can help to improve mood, reduce anxiety, and promote better sleep. If you are considering using trazodone for your 70 lb dog, it’s important to understand how much to give, as well as any potential side effects or risks.


The recommended dosage of trazodone for a 70 lb dog is typically between 2.5 and 5 mg per pound of body weight. This means that a 70 lb dog should receive between 175 and 350 mg of trazodone per day. The dosage may vary depending on the condition being treated and the severity of the symptoms. Your vet may also adjust the dosage based on how your dog responds to the medication.

Start Low, Go Slow

When starting a new medication, it’s always a good idea to start with the lowest possible dose and gradually increase it as needed. This is especially important with trazodone because it can have side effects such as drowsiness and sedation. If you start with a higher dose, your dog may experience these side effects more severely.

On the other hand, if you start with a lower dose, you can monitor your dog’s response and adjust the dosage as needed. This will help you to find the right balance between treating the symptoms and managing any side effects.

Side Effects

Some of the most common side effects of trazodone in dogs include drowsiness, sedation, and dry mouth. These side effects are usually mild and can be managed by adjusting the dosage or by giving the medication at a different time of day. For example, if your dog is drowsy after taking trazodone in the morning, you may want to try giving it in the evening instead.

Less common side effects of trazodone include nausea, vomiting, and diarrhea. If your dog experiences these side effects, it’s important to contact your vet right away. Your vet may need to adjust the dosage or switch to a different medication.

Drug Interactions

Trazodone can interact with other medications, so it’s important to let your vet know if your dog is taking any other medications, supplements, or herbs. For example, trazodone can interact with other antidepressants and sedatives, which can increase the risk of side effects.

Trazodone should not be used in conjunction with Monoamine oxidase inhibitors (MAOIs) as this can lead to serious side effects.


Trazodone can be an effective treatment for anxiety, depression, and insomnia in dogs, but it’s important to use it with caution. Make sure to talk to your vet about the right dosage for your 70 lb dog and monitor your dog’s response to the medication. With the right dosage and management of side effects, trazodone can help to improve your dog’s quality of life.

Trazodone is not a cure for underlying behavioral issues and should be used in conjunction with other forms of treatment such as behavioral modification and training. Regular follow-ups with the vet are also crucial in monitoring the progress of the treatment and adjusting the dosage as needed.


Hannah Elizabeth is an English animal behavior author, having written for several online publications. With a degree in Animal Behaviour and over a decade of practical animal husbandry experience, Hannah's articles cover everything from pet care to wildlife conservation. When she isn't creating content for blog posts, Hannah enjoys long walks with her Rottweiler cross Senna, reading fantasy novels and breeding aquarium shrimp.

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