
Trazodone is a medication that can be used to treat depression, insomnia, schizophrenia, anxiety, alcohol dependence, and abnormal uncontrollable movements caused by other medications. While it can be beneficial, it also has a range of side effects, some of which can be serious. One of the adverse effects of trazodone is muscle twitching, which is classified as an uncommon side effect, occurring in 0.1% to 1% of patients. This muscle twitching is often associated with serotonin syndrome, a severe condition caused by an excess of serotonin in the body, which can be life-threatening and requires immediate medical attention.
| Characteristics | Values |
|---|---|
| Can trazodone cause muscle twitching? | Yes, muscle twitching is a rare side effect of trazodone. |
| What is trazodone? | Trazodone is an antidepressant medication used to treat major depressive disorder and other psychiatric disorders. |
| What are the side effects of trazodone? | Common side effects include blurred vision, dizziness, dry mouth, nausea, headache, fatigue, vomiting, constipation, diarrhea, backache, confusion, insomnia, disorientation, lack of coordination, nasal congestion, low blood pressure upon standing (orthostatic hypotension), weight change, anxiety, hypotension, edema, dysgeusia, memory impairment, migraine, paraesthesia, agitation, dyspnoea, night sweats, and dream disorders. Rare side effects include muscle twitching, hypersensitivity reactions, amnesia, aphasia, hypoesthesia, speech disorders, bladder pain, and urinary incontinence. |
| Are there any serious side effects? | Trazodone may cause serotonin syndrome when taken alone or with other medications that affect serotonin levels. This condition can be life-threatening and requires emergency medical attention. Symptoms of serotonin syndrome include agitation, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, and diarrhea. Trazodone may also cause QT prolongation, a rare heart rhythm problem that can be dangerous, especially for older individuals or those with a family history of heart conditions. Other serious side effects include low sodium levels, increased eye pressure leading to glaucoma and potential blindness, decreased alertness or coordination, and increased risk of suicidal thoughts and behavior in children, adolescents, and young adults. |
| Are there any drug interactions or precautions? | Trazodone should not be taken with alcohol, barbiturates, or sedatives as it can lead to dangerous side effects or death. It may also interact with opioid medications, sleeping pills, muscle relaxers, medicines for anxiety or seizures, and herbal products. It is important to inform your doctor about all medications and supplements you are taking to avoid potential drug interactions. Trazodone should be used with caution during pregnancy as it may harm the baby, and it may cause manic episodes in individuals with bipolar disorder. |
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What You'll Learn
- Trazodone may cause serotonin syndrome, a life-threatening condition requiring emergency medical attention
- Trazodone may increase the risk of suicidal thoughts and behaviour in young people
- Trazodone may cause low sodium levels, which can be life-threatening
- Trazodone may cause angle-closure glaucoma, which can lead to blindness
- Trazodone may cause dangerous drug interactions, especially with alcohol

Trazodone may cause serotonin syndrome, a life-threatening condition requiring emergency medical attention
Trazodone is a prescription medication used to treat major depressive disorder, anxiety, and sleep disorders. It is a selective serotonin reuptake inhibitor (SSRI) that works by increasing serotonin levels in the brain. While trazodone is an effective treatment for many people, it can sometimes cause a rare but serious condition called serotonin syndrome.
Serotonin syndrome occurs when there is too much serotonin in the body. Trazodone can cause serotonin syndrome when taken alone or in combination with other medications that affect serotonin levels. Certain medications are known to increase the risk of serotonin syndrome when taken with trazodone, including buspirone (Buspar), fentanyl (Abstral, Duragesic), lithium (Eskalith, Lithobid), tryptophan, St. John's wort, and some pain or migraine medications. Additionally, taking melatonin supplements that contain 5-HTP, a serotonin precursor, may also increase the risk of serotonin syndrome when taken with trazodone.
Serotonin syndrome is a potentially life-threatening condition that requires emergency medical attention. Symptoms can include agitation, hallucinations, fever, sweating, shivering, a fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, and diarrhea. If you experience any of these symptoms, seek immediate medical help.
To reduce the risk of serotonin syndrome, it is important to inform your doctor about all medications and supplements you are taking before starting trazodone. Additionally, patients treated with monoamine oxidase inhibitors (MAOIs) should be MAOI-free for at least 14 days before initiating treatment with trazodone. By taking these precautions and being vigilant for symptoms, the risks associated with serotonin syndrome can be mitigated.
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Trazodone may increase the risk of suicidal thoughts and behaviour in young people
Trazodone can cause muscle twitching, which may be a symptom of serotonin syndrome. Serotonin syndrome is a rare but life-threatening condition caused by an excess of serotonin in the body. It can be induced by trazodone when taken alone or with other medicines that affect serotonin. If you experience muscle twitching, seek emergency medical help. Other symptoms of serotonin syndrome include:
- Agitation
- Hallucinations
- Fever
- Sweating
- Shivering
- Fast heart rate
- Muscle stiffness
- Loss of coordination
- Nausea
- Vomiting
- Diarrhea
Now, regarding the risk of suicidal thoughts and behavior in young people:
Trazodone is an antidepressant medication used to treat depression and other mental health disorders. While it can be effective, it is important to recognize that it may increase the risk of suicidal thoughts and behavior in young people, particularly those with major depressive disorder (MDD) and other psychiatric disorders. This risk is not limited to those with MDD, as short-term studies have shown an increased risk in children, adolescents, and young adults across various mental health diagnoses.
The risk of suicidal ideation and behavior is most prominent in the first few months of taking trazodone or when the dosage is changed. It is crucial for patients, their families, and caregivers to be vigilant in monitoring for any unusual changes in behavior, thoughts, or mood. If you or someone you know is experiencing suicidal thoughts or behavior, seek immediate medical attention.
Additionally, it is recommended to consult a doctor before taking trazodone if you have bipolar disorder or a history of suicide attempts. The medication may also cause a decrease in alertness or coordination, so it is advised to refrain from driving or operating heavy machinery until you know how trazodone affects you.
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Trazodone may cause low sodium levels, which can be life-threatening
Trazodone is an antidepressant that belongs to a group of medicines called serotonin modulators. It works by increasing serotonin levels in the brain. While trazodone is generally well-tolerated, it can cause side effects, and in rare cases, it may cause low sodium levels in the blood (hyponatremia), which can be life-threatening.
Low sodium levels, or hyponatremia, is a potentially serious side effect of trazodone that requires medical attention. This condition can lead to a range of symptoms, from mild to severe. Mild symptoms may include fatigue, dizziness, and disorientation. However, if left untreated, hyponatremia can progress to more severe symptoms, such as seizures, confusion, and even coma.
The risk of developing hyponatremia may be higher in certain individuals, such as the elderly. It is important for patients taking trazodone to be aware of this potential side effect and to monitor their sodium levels, especially if they fall into a high-risk category. If you experience any symptoms indicative of low sodium levels, it is crucial to contact your healthcare provider immediately. They may advise you to get a blood test to check your sodium levels and provide further guidance or treatment options.
Additionally, it is worth noting that trazodone interacts with other medications and substances. It is important to consult your healthcare provider and disclose all medications and supplements you are currently taking to ensure safe usage. Furthermore, trazodone can cause other side effects, such as drowsiness, dry mouth, and dizziness. Some rare but serious side effects include serotonin syndrome, which can be life-threatening, and neuroleptic malignant syndrome-like reactions.
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Trazodone may cause angle-closure glaucoma, which can lead to blindness
Trazodone is an antidepressant that belongs to a group of medicines called serotonin modulators. It works by increasing serotonin levels in the brain. Serotonin syndrome is a condition characterised by an excess of serotonin in the body. Trazodone can cause serotonin syndrome when taken alone or in combination with other medicines that affect serotonin levels. This condition can be life-threatening and requires immediate medical attention.
While trazodone is generally well-tolerated, it has been associated with a rare case of angle-closure glaucoma. Angle-closure glaucoma is a serious condition where the fluid is suddenly blocked and unable to drain from the eye, leading to a rapid and significant increase in intraocular pressure (IOP). This elevated eye pressure can cause severe eye pain, changes in vision, and even permanent vision loss if left untreated.
In a 2003 case study, a 61-year-old woman with a history of angle-closure glaucoma experienced an increase in intraocular pressure shortly after starting low-dose trazodone treatment. The patient maintained normal intraocular pressure while taking other medications for two years, and her ocular examinations before trazodone administration showed no signs of ocular discomfort. However, three days after starting trazodone, she reported ocular discomfort related to increased intraocular pressure.
The exact mechanism by which trazodone may contribute to angle-closure glaucoma is not fully understood. Some evidence suggests that trazodone's primary action on the serotonin system and its potential alpha-adrenoceptor blockade effect could be contributing factors. It is important to note that even low doses of trazodone may have the potential to provoke an increase in intraocular pressure.
Therefore, it is recommended that individuals taking trazodone undergo an eye examination before starting the medication. Additionally, anyone experiencing symptoms such as nausea, eye pain, changes in vision, seeing coloured rings around lights, or swelling and redness in or around the eyes should seek immediate medical attention.
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Trazodone may cause dangerous drug interactions, especially with alcohol
Trazodone is a prescription-only medication that is used to treat depression and major depressive disorder. It is a serotonin antagonist and reuptake inhibitor (SARI). Trazodone can cause muscle twitching, which may be a symptom of serotonin syndrome, a life-threatening condition that occurs when there is too much serotonin in the body. Serotonin syndrome can occur when trazodone is taken alone or with other medicines that affect serotonin levels.
Therefore, it is recommended to avoid drinking alcohol altogether when taking trazodone or any other antidepressants. To be safe, it is best to wait at least two days after the last trazodone dose before consuming alcohol, as trazodone can remain in the body for at least a day after taking it. It is crucial to provide your physician with a complete list of prescription medications, including trazodone, to determine the potential for any adverse interactions and make necessary adjustments.
Trazodone can also interact with other drugs that have similar effects on the central nervous system, such as opioid medication, sleeping pills, muscle relaxers, and medicine for anxiety or seizures. It is important to consult your doctor before taking any of these medications concurrently with trazodone. Additionally, certain herbal products and medicines for depression, mental illness, Parkinson's disease, migraine headaches, serious infections, or nausea and vomiting prevention may interact with trazodone, potentially causing serotonin syndrome.
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Frequently asked questions
Trazodone is an antidepressant used to treat major depressive disorder and other psychiatric disorders.
Yes, muscle twitching is listed as an uncommon side effect of taking Trazodone, occurring in 0.1-1% of patients.
Other side effects include blurred vision, dizziness, dry mouth, nausea, fatigue, vomiting, diarrhoea, and confusion.
Trazodone can cause serotonin syndrome, a severe and potentially deadly condition. Symptoms include muscle twitching, agitation, fever, hallucinations, and a fast heartbeat. If you experience any of these symptoms, seek emergency medical help.
Yes, long-term use of Trazodone can lead to angle-closure glaucoma, a severe condition that can cause a sudden increase in eye pressure and potentially result in vision loss. It is important to monitor for any changes in vision and seek medical advice if necessary.









































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