Is your dog showing signs of anxiety, restlessness, or difficulty sleeping? Trazodone, a commonly prescribed medication for humans, is increasingly being used by veterinarians to help dogs deal with a variety of behavioral issues. If your vet has recommended 50mg Trazodone for your dog, you might be wondering: Is it safe? What does it do? Are there side effects?
In this article, we’ll break down everything you need to know about using 50mg Trazodone for dogs, including its benefits, proper usage, safety guidelines, and potential side effects. Let’s dive in.
What Is Trazodone?
Trazodone is an antidepressant classified as a serotonin antagonist and reuptake inhibitor (SARI). Originally developed to treat depression and anxiety in humans, veterinarians now commonly prescribe Trazodone for dogs dealing with:
- Separation anxiety
- Noise phobias (like thunderstorms or fireworks)
- Travel-related stress
- Post-surgery confinement or crate rest
The 50mg dosage is one of the lower starting doses, making it a popular choice for small to medium-sized dogs or for cautious first-time treatments.
Is 50mg Trazodone Safe for Dogs?
Yes — but only under veterinary guidance.
While Trazodone is generally safe for dogs when prescribed by a veterinarian, it’s crucial to never give your dog any medication without professional approval. The 50mg dose is typically used based on:
- Your dog’s weight
- Overall health
- Severity of anxiety or behavioral issues
- Other medications they may be taking
For example: A 25-pound dog might do well on 50mg, while a larger dog may require a higher dose.
Important: Always follow your vet’s instructions on dosage, frequency, and timing.
Common Uses of Trazodone in Dogs
1. Anxiety and Stress Relief
Trazodone is frequently prescribed to reduce anxiety in dogs facing stressful situations like:
- Vet visits
- Car rides
- Boarding stays
- Fireworks or loud noises
2. Post-Surgery Recovery
If your dog has recently undergone surgery, your vet may prescribe Trazodone to help keep them calm during recovery, especially when crate rest is required.
3. Behavioral Training Support
In some cases, Trazodone is used in combination with behavioral training to help dogs cope with long-term anxiety or reactivity issues.
How Long Does It Take Trazodone to Work in Dogs?
Trazodone typically starts working within 1 to 2 hours of administration. However, its full calming effects may take a few days of consistent use, especially if it’s part of a long-term treatment plan.
For situational use (like fireworks night), vets may recommend giving the dose an hour before the stressful event.
Possible Side Effects of Trazodone in Dogs
While most dogs tolerate Trazodone well, some may experience side effects, especially at the beginning. Common side effects include:
- Lethargy or drowsiness
- Vomiting or upset stomach
- Diarrhea
- Panting
- Agitation or restlessness (in rare cases)
If your dog shows any severe reactions like difficulty breathing, collapse, or seizures, contact your veterinarian immediately.
How to Give 50mg Trazodone to Your Dog
Trazodone usually comes in tablet form. Here are some tips for giving it to your dog:
- Hide it in a pill pocket or soft treat to make it easier to swallow.
- Administer with food to reduce the chance of stomach upset.
- Keep track of the time and dose to ensure consistency.
Tip: Keep a medication journal to track how your dog responds to Trazodone, especially in the first few days.
Can Trazodone Be Used with Other Medications?
Trazodone is often prescribed alongside other medications such as:
- Gabapentin for pain or additional anxiety relief
- Fluoxetine (Prozac) for chronic anxiety or behavioral issues
However, combining medications can increase the risk of serotonin syndrome, a rare but serious condition. Your vet will carefully consider any drug interactions before prescribing Trazodone.
When to Avoid Trazodone for Your Dog
Trazodone may not be suitable for dogs with:
- Heart disease
- Liver or kidney issues
- Certain neurological disorders
- Allergies to antidepressants
Always provide your vet with a full medical history and list of current medications before starting treatment.
What If You Miss a Dose?
If you accidentally skip a dose of Trazodone:
- Give it as soon as you remember, unless it’s close to the next scheduled dose.
- Never double up on doses to make up for a missed one.
Consistent dosing helps maintain its effectiveness, especially for ongoing treatment.
Conclusion: Is 50mg Trazodone Right for Your Dog?
50mg Trazodone can be a safe and effective solution for managing your dog’s anxiety, stress, or post-operative recovery — but only when used responsibly under veterinary supervision.
Whether it’s calming your dog during fireworks or supporting a recovery period, Trazodone offers a valuable tool to improve quality of life for both you and your furry friend.

Abraham Finley is a health writer passionate about providing clear, reliable information on Trazodone and mental health. He created TrazodoneSUC.com to help readers make informed decisions about their well-being.