The amount of time a drug stays in a person’s system depends on frequency of use along with several personal factors such as:

  • Weight
  • Height
  • Metabolism
  • Age

Additionally, a person’s organs affect how long the medication lasts in their system. The liver and kidneys aid the body in breaking down substances. If these organs are healthy, the body will break the drug down at a faster rate.

Trazodone stays in the body for three days or less. It’s usually in the system for 42 hours. After this period, traces of the drug can still remain in the body at lower levels. The medication can cause side effects like:

  • Nausea
  • Dizziness
  • Vomiting
  • Diarrhea
  • Blurred vision
  • Headache

Male patients may experience a period of prolonged and painful erection with consistent use of the drug. Patients may also experience drowsiness as this drug has a sedative effect on the body. The intensity of the side effect symptoms depends on the person’s body and dosage amounts. Typically, doctors prescribe lower doses to limit side effects.

How Long Does Trazodone Stay In Your Urine?

The body breaks Trazodone down into metabolites. Metabolites are the byproduct of cell metabolism. Trazodone can be detected in urine for up to 3 days for most people.

In urine tests, lab technicians use immunoassays to detect certain chemical compounds associated with different drugs. Researchers have discovered that trazodone triggers a false-positive for amphetamines through urine tests.

How Long Does Trazodone Stay In Your Hair?

A hair test can detect substances in the body for up to 90 days. Hair tests can’t detect the specific date a drug was used. However, they can provide a time frame. Hair tests may require multiple strands of hair from the patient.

Therefore, hair tests will detect the presence of amphetamines and methamphetamines. Trazodone may show up as an amphetamine or methamphetamine in a hair test.

How Long Does Trazodone Stay In Your Blood?

It can take up to 13 hours for the elimination half-life of trazodone to begin. Every 5-13 hours, the body will gradually reduce the amount of trazodone in the bloodstream by 50% until the drug is flushed out of the system. If a blood test is given within a couple hours of usage, trazodone will be detectable.

Although metabolites live in the blood, blood tests do not check for them. Instead, blood tests detect the original compound in the body. This makes the test fairly accurate. However, blood tests can only confirm the presence of a substance within 6 hours of initial usage.  

How Long Does Trazodone Stay In Your Saliva?

Like urine tests, saliva tests detect the presence of substance metabolites in the body. The window for detection in saliva tests can be up to 1 week. For the most part, trazodone does not show up as a false positive for amphetamines or methamphetamines in a saliva test.

How Long Does Trazodone Stay In Lab tests?

All saliva, urine, hair, and blood tests are sent to a lab to be examined by a medical professional. Trazodone can show up in gas chromatography/mass spectrometry test results.

Are the Side Effect and Withdrawal Symptoms the Same?

Trazodone is used to stabilize a person’s serotonin levels to improve appetite and mood. Due to the effects of trazodone, the drug can become addictive. As the body builds a dependency on the drug, it will start to exhibit withdrawal symptoms when trazodone is no longer in the system.

Withdrawal symptoms occur when the person tries to wean their system off the medication. Symptoms are not the same for everyone and largely depend on dosage.

For a person trying to pass a drug test, trazodone usage could be a problem if they haven’t disclosed it prior to testing. If trazodone misuse has become a serious problem for you, it may be time to speak to a health professional.

There are a variety of treatment options available for those struggling with trazodone dependency. Speak with someone today to learn about your options.



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