If you have been prescribed trazodone, you may wonder whether it is a controlled substance like some other sleep or anxiety medications. The short answer is no. Trazodone is a prescription antidepressant that is not classified as a controlled substance, and that status affects how it is prescribed and refilled.
Key Takeaways
Trazodone is not a controlled substance: Neither the FDA nor the DEA classifies trazodone in any controlled-substance schedule.
Low risk of misuse: Trazodone has a low potential for misuse and dependence compared with controlled substances, which is one reason why it is not classified in a controlled-substance schedule.
It still needs care: Not being controlled does not mean it is risk-free. Trazodone can cause side effects and interact with other medications, so it should only be used as prescribed.
What is Trazodone?
Trazodone (brand name Raldesy) is a prescription antidepressant first approved by the FDA in 1981 to treat major depressive disorder. It belongs to a class of medicines called serotonin antagonist and reuptake inhibitors (SARIs), which work by changing how the brain uses serotonin, a neurotransmitter that affects mood, sleep, appetite, and anxiety.
Although its mechanism of action isn’t fully understood, trazodone inhibits or blocks the reuptake of serotonin, which allows for more serotonin to be available in the brain. It also blocks certain receptors, including 5-HT2A, 5-HT2C, H1, and alpha-1 adrenergic receptors.
5-HT2A and 5-HT2C are serotonin receptors that help regulate mood, anxiety, sleep, and other brain functions. Blocking these receptors is thought to contribute to trazodone's antidepressant, anti-anxiety, and sleep-promoting effects. Inhibition of the histamine receptor, H1, and alpha-1 adrenergic receptors produces sedative effects soon after a dose and may help improve sleep.
What Trazodone Treats
Trazodone is FDA-approved for one condition: major depressive disorder.
Today, however, trazodone is commonly prescribed at low doses (25-100 mg) off-label to help with sleep. “Off-label” means a provider prescribes a drug for a condition other than the one the FDA officially approved it for, which is a legal and routine part of medicine.
The off-label use for insomnia is common because trazodone tends to cause drowsiness. That said, research suggests that trazodone may be better at helping you stay asleep than falling asleep (sleep onset). This is the reason why it isn’t FDA-approved for insomnia and may not work for everyone.
Trazodone is also used off-label for anxiety, substance use disorder, eating disorders, fibromyalgia, and Alzheimer’s disease. While the medication’s effects on sleep can often be felt within the first one to two nights, its antidepressant and anxiolytic (anti-anxiety) effects take time to appear, typically 2-4 weeks.
Providers may also reach for it when a person has both low mood and trouble sleeping, since one medication can sometimes address both. As with any prescription, the right use depends on your symptoms and full health picture, which your provider will review with you.
What Does “Controlled Substance” Mean?
To understand why trazodone is not controlled, it helps to know how the U.S. government classifies medications. The Controlled Substances Act sorts certain drugs into five groups, called schedules, based on their accepted medical use and their risk of misuse and dependence.
According to the Drug Enforcement Administration (DEA), Schedule I drugs (like heroin or LSD) have no accepted medical use and a high risk of abuse, while Schedules II through V cover medicines with accepted uses and a gradually lower risk. Many anxiety and sleep medications, such as benzodiazepines, fall into Schedule IV. Trazodone is not placed in any of these schedules.
Why Trazodone is Not Controlled
A medication is usually controlled when it can be misused for a pleasurable effect or can lead to dependence. Trazodone generally does not fit this pattern.
Unlike habit-forming drugs, trazodone does not cause the rapid “high” or euphoria. Clinical studies have not shown significant drug-seeking behavior, and its potential for misuse is considered low. Because of this, the DEA does not place it in any controlled schedule, and it is treated like other non-controlled antidepressants.
When deciding whether to schedule a drug, regulators look at things like whether it produces a pleasurable high, whether people tend to take more than prescribed, and whether stopping it causes the kind of cravings seen with habit-forming substances. Trazodone does not check these boxes.
How Trazodone Compares to Controlled Sleep Medications
Many of the best-known sleep and anxiety medications are controlled substances, which sets trazodone apart.
Benzodiazepines such as alprazolam (Xanax) and “Z-drugs” such as zolpidem (Ambien) are commonly used for anxiety or sleep, and most are Schedule IV controlled substances because they carry a higher risk of dependence and misuse. Benzodiazepines also carry the risk of severe withdrawal symptoms if stopped abruptly. Due to their effect on the GABA neurotransmitter, suddenly stopping these medications could lead to severe reactions like delirium and seizures, which can be life-threatening.
Trazodone offers a non-controlled alternative for sleep, which is one reason providers often try it before or instead of a controlled option. It is generally considered less likely to cause tolerance, where higher doses are needed over time, than many controlled sleep medications.
However, people who take trazodone regularly for an extended period may experience discontinuation symptoms if they stop it abruptly. This reflects the body's adjustment to the medication and is different from addiction, which involves compulsive use, psychological cravings, or loss of control.
Abruptly stopping trazodone can cause discontinuation symptoms such as sleep disruption, irritability, sweating, and vivid dreams. This isn’t unique to trazodone; stopping antidepressants suddenly can cause antidepressant discontinuation syndrome. This is why providers often recommend gradually reducing the dose rather than stopping abruptly. The tapering schedule varies depending on the medication, dose, duration of treatment, and individual factors.
Ultimately, the best choice depends on your situation, and your provider can explain the trade-offs.
What This Means for Your Prescription
Because trazodone is not a controlled substance, prescribing and refill requirements are generally less restrictive than those for scheduled medications. You can even get refils through online psychiatry visits covered by insurance.
Controlled medications often come with stricter rules, such as limits on refills or special prescription requirements. Trazodone avoids many of those extra steps, which can make ongoing treatment more convenient.
Even so, trazodone still requires a prescription and ongoing oversight. Your provider will choose the right dose, check how you are responding, and watch for side effects or interactions over time. Easier refills do not mean the medication should be used casually or shared with others. Using it exactly as prescribed is the safest way to get the benefit while avoiding problems.
Is Trazodone Safe? Risks and Side Effects
Not being a controlled substance does not mean trazodone is free of risk. It is still a prescription medication that can cause side effects and interactions and should be used only as prescribed.
Common side effects include drowsiness, dizziness, fatigue, dry mouth, and headache. More rarely, trazodone can cause a drop in blood pressure when standing up, changes in heart rhythm, including rare cases of arrhythmias, or a prolonged, painful erection (priapism) that needs emergency care.
Like other antidepressants, it can interact with certain drugs and supplements, and combining it with other serotonin-raising medicines can lead to a serious reaction called serotonin syndrome.
Older adults may be more sensitive to the drowsiness and dizziness trazodone can cause, which can raise the risk of falls, so providers often start them at a lower dose. Like other antidepressants that affect serotonin, trazodone can also occasionally lower blood sodium levels, mainly in older adults. Telling your provider about your age and any other conditions helps them prescribe it safely.
Tell your provider before starting trazodone if you:
Take other antidepressants or serotonin-raising medicines
Have a heart condition or take heart medications
Are pregnant or breastfeeding
Drink alcohol or take other sedatives
Similar to other antidepressants, the FDA provides a boxed warning for trazodone about an increased risk of suicidal thoughts and behaviors in children and young adults. It is important to monitor patients for signs of suicidal thoughts or behaviors.
Can You Become Dependent on Trazodone?
Trazodone is not considered addictive, but stopping it suddenly after regular, long-term use can cause discontinuation symptoms, such as trouble sleeping, anxiety, or flu-like symptoms. This is different from addiction, which involves psychological cravings and misuse. To avoid these effects, your provider will usually have you lower the dose slowly rather than stop all at once. If you ever feel a medication is not the right fit, your provider can help you adjust the plan safely.
If you are dealing with sleep problems, depression, or anxiety, you can meet with a board-certified psychiatric provider through Blossom Health for virtual care covered by in-network insurance.
Medical Disclaimer
This article is for informational purposes only and is not a substitute for professional medical advice. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition or medication. If you are experiencing a mental health crisis, contact the 988 Suicide and Crisis Lifeline by calling or texting 988.
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