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7 Interactions found for:

Prozac and trazodone
Interactions Summary
  • 5 Major
  • 2 Moderate
  • 0 Minor
  • Prozac
  • trazodone

Drug Interactions

Major
Prozac + Trazodone

The following applies to the ingredients: Fluoxetine (found in Prozac) and Trazodone

MONITOR CLOSELY: Concomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1 receptor agonists, ergot alkaloids, cyclobenzaprine, lithium, St. John's wort, phenylpiperidine opioids, dextromethorphan, and tryptophan may potentiate the risk of serotonin syndrome, which is a rare but serious and potentially fatal condition thought to result from hyperstimulation of brainstem 5-HT1A and 2A receptors. Symptoms of the serotonin syndrome may include mental status changes such as irritability, altered consciousness, confusion, hallucination, and coma; autonomic dysfunction such as tachycardia, hyperthermia, diaphoresis, shivering, blood pressure lability, and mydriasis; neuromuscular abnormalities such as hyperreflexia, myoclonus, tremor, rigidity, and ataxia; and gastrointestinal symptoms such as abdominal cramping, nausea, vomiting, and diarrhea.

MANAGEMENT: In general, the concomitant use of multiple serotonergic agents should be avoided if possible, or otherwise approached with caution if potential benefit is deemed to outweigh the risk. Patients should be closely monitored for symptoms of the serotonin syndrome during treatment. Particular caution is advised when increasing the dosages of these agents. The potential risk for serotonin syndrome should be considered even when administering serotonergic agents sequentially, as some agents may demonstrate a prolonged elimination half-life. For example, some experts suggest a 5-week washout period following use of fluoxetine and 3 weeks following the use of vortioxetine before administering another serotonergic agent. Individual product labeling for washout periods should be consulted for current recommendations. If serotonin syndrome develops or is suspected during the course of therapy, all serotonergic agents should be discontinued immediately and supportive care rendered as necessary. Moderately ill patients may also benefit from the administration of a serotonin antagonist (e.g., cyproheptadine, chlorpromazine). Severe cases should be managed under consultation with a toxicologist and may require sedation, neuromuscular paralysis, intubation, and mechanical ventilation in addition to the other measures.

References

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  9. Ciraulo DA, Shader RI "Fluoxetine drug-drug interactions: I. Antidepressants and antipsychotics." J Clin Psychopharmacol 10 (1990): 48-50
  10. "Product Information. Zoloft (sertraline)." Roerig Division PROD (2001):
  11. "Product Information. Prozac (fluoxetine)." Dista Products Company PROD (2001):
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  32. "Product Information. Meridia (sibutramine)." Knoll Pharmaceutical Company PROD (2001):
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  36. "Product Information. Celexa (citalopram)." Forest Pharmaceuticals PROD (2001):
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  40. Egberts AC, ter Borg J, Brodie-Meijer CC "Serotonin syndrome attributed to tramadol addition to paroxetine therapy." Int Clin Psychopharmacol 12 (1997): 181-2
  41. Weiner AL "Meperidine as a potential cause of serotonin syndrome in the emergency department." Acad Emerg Med 6 (1999): 156-8
  42. Miller LG "Herbal medicinals: selected clinical considerations focusing on known or potential drug-herb interactions." Arch Intern Med 158 (1998): 2200-11
  43. Gordon JB "SSRI's and St. John's Wort: possible toxicity?" Am Fam Physician 57 (1998): 950,953
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  46. "Product Information. Zyvox (linezolid)." Pharmacia and Upjohn PROD (2001):
  47. Perry NK "Venlafaxine-induced serotonin syndrome with relapse following amitriptyline." Postgrad Med J 76 (2000): 254-6
  48. Manos GH "Possible serotonin syndrome associated with buspirone added to fluoxetine." Ann Pharmacother 34 (2000): 871-4
  49. Nijhawan PK, Katz G, Winter S "Psychiatric illness and the serotonin syndrome: an emerging adverse drug effect leading to intensive care unit admission." Crit Care Med 24 (1996): 1086-9
  50. Laird LK "Issues in the monopharmacotherapy and polypharmacotherapy of obsessive-compulsive disorder." Psychopharmacol Bull 32 (1996): 569-78
  51. Margolese HC, Chouinard G "Serotonin syndrome from addition of low-dose trazodone to nefazodone." Am J Psychiatry 157 (2000): 1022
  52. Mackay FJ, Dunn NR, Mann RD "Antidepressants and the serotonin syndrome in general practice." Br J Gen Pract 49 (1999): 871-4
  53. Smith DL, Wenegrat BG "A case report of serotonin syndrome associated with combined nefazodone and fluoxetine." J Clin Psychiatry 61 (2000): 146
  54. Rosebraugh CJ, floxkhart DA, Yasuda SU, Woosley RL "Visual hallucination and tremor induced by sertraline and oxycodone in a bone marrow transplant patient." J Clin Pharmacol 41 (2001): 224-7
  55. Izzo AA, Ernst E "Interactions between herbal medicines and prescribed drugs: a systematic review." Drugs 61 (2001): 2163-75
  56. Duggal HS, Fetchko J "Serotonin syndrome and atypical antipsychotics." Am J Psychiatry 159 (2002): 672-3
  57. Wigen CL, Goetz MB "Serotonin syndrome and linezolid." Clin Infect Dis 34 (2002): 1651-2
  58. Hammerness P, Parada H, Abrams A "Linezolid: MAOI Activity and Potential Drug Interactions." Psychosomatics 43 (2002): 248-9
  59. "Product Information. Lexapro (escitalopram)." Forest Pharmaceuticals (2002):
  60. Dougherty JA, Young H, Shafi T "Serotonin syndrome induced by amitriptyline, meperidine, and venlafaxine." Ann Pharmacother 36 (2002): 1647-1648
  61. Turkel SB, Nadala JG, Wincor MZ "Possible serotonin syndrome in association with 5-HT3 antagonist agents." Psychosomatics 42 (2001): 258-60
  62. Martin TG "Serotonin syndrome." Ann Emerg Med 28 (1996): 520-6
  63. Lavery S, Ravi H, McDaniel WW, Pushkin YR "Linezolid and serotonin syndrome." Psychosomatics 42 (2001): 432-4
  64. Lane R, Baldwin D "Selective serotonin reuptake inhibitor--induced serotonin syndrome: review." J Clin Psychopharmacol 17 (1997): 208-21
  65. Bernard L, Stern R, Lew D, Hoffmeyer P "Serotonin syndrome after concomitant treatment with linezolid and citalopram." Clin Infect Dis 36 (2003): 1197
  66. Dannawi M "Possible serotonin syndrome after combination of buspirone and St John's Wort." J Psychopharmacol 16 (2002): 401
  67. Tissot TA "Probable meperidine-induced serotonin syndrome in a patient with a history of fluoxetine use." Anesthesiology 98 (2003): 1511-1512
  68. Hachem RY, Hicks K, Huen A, Raad I "Myelosuppression and serotonin syndrome associated with concurrent use of linezolid and selective serotonin reuptake inhibitors in bone marrow transplant recipients." Clin Infect Dis 37 (2003): E8-E11
  69. Gillman PK "Linezolid and serotonin toxicity." Clin Infect Dis 37 (2003): 1274-5
  70. Roy S, Fortier LP "Fentanyl-induced rigidity during emergence from general anesthesia potentiated by venlafexine." Can J Anaesth 50 (2003): 32-5
  71. Giese SY, Neborsky R "Serotonin syndrome: potential consequences of Meridia combined with Demerol or fentanyl." Plast Reconstr Surg 107 (2001): 293-4
  72. Jones SL, Athan E, O'Brien D "Serotonin syndrome due to co-administration of linezolid and venlafaxine." J Antimicrob Chemother 54 (2004): 289-90
  73. Tahir N "Serotonin syndrome as a consequence of drug-resistant infections: an interaction between linezolid and citalopram." J Am Med Dir Assoc 5 (2004): 111-3
  74. "Product Information. Cymbalta (duloxetine)." Lilly, Eli and Company (2004):
  75. Thomas CR, Rosenberg M, Blythe V, Meyer WJ 3rd "Serotonin syndrome and linezolid." J Am Acad Child Adolesc Psychiatry 43 (2004): 790
  76. Boyer EW, Shannon M "The serotonin syndrome." N Engl J Med 352 (2005): 1112-20
  77. Bergeron L, Boule M, Perreault S "Serotonin toxicity associated with concomitant use of linezolid." Ann Pharmacother 39 (2005): 956-61
  78. Morales N, Vermette H "Serotonin syndrome associated with linezolid treatment after discontinuation of fluoxetine." Psychosomatics 46 (2005): 274-5
  79. Morales-Molina JA, Mateu-de Antonio J, Marin-Casino M, Grau S "Linezolid-associated serotonin syndrome: what we can learn from cases reported so far." J Antimicrob Chemother 56 (2005): 1176-8
  80. DeBellis RJ, Schaefer OP, Liquori M, Volturo GA "Linezolid-associated serotonin syndrome after concomitant treatment with citalopram and mirtazepine in a critically ill bone marrow transplant recipient." J Intensive Care Med 20 (2005): 351-3
  81. Hunter B, Kleinert MM, Osatnik J, Soria E "Serotonergic syndrome and abnormal ocular movements: worsening of rigidity by remifentanil?" Anesth Analg 102 (2006): 1589
  82. Taylor JJ, Wilson JW, Estes LL "Linezolid and serotonergic drug interactions: a retrospective survey." Clin Infect Dis 43 (2006): 180-7
  83. Strouse TB, Kerrihard TN, Forscher CA, Zakowski P "Serotonin syndrome precipitated by linezolid in a medically ill patient on duloxetine." J Clin Psychopharmacol 26 (2006): 681-683
  84. Keegan MT, Brown DR, Rabinstein AA "Serotonin syndrome from the interaction of cyclobenzaprine with other serotoninergic drugs." Anesth Analg 103 (2006): 1466-8
  85. Paruchuri P, Godkar D, Anandacoomarswamy D, Sheth K, Niranjan S "Rare case of serotonin syndrome with therapeutic doses of paroxetine." Am J Ther 13 (2006): 550-552
  86. Steinberg M, Morin AK "Mild serotonin syndrome associated with concurrent linezolid and fluoxetine." Am J Health Syst Pharm 64 (2007): 59-62
  87. Packer S, Berman SA "Serotonin syndrome precipitated by the monoamine oxidase inhibitor linezolid." Am J Psychiatry 164 (2007): 346-7
  88. Shapiro RE, Tepper SJ "The serotonin syndrome, triptans, and the potential for drug-drug interactions." Headache 47 (2007): 266-9
  89. Ailawadhi S, Sung KW, Carlson LA, Baer MR "Serotonin syndrome caused by interaction between citalopram and fentanyl." J Clin Pharm Ther 32 (2007): 199-202
  90. "Product Information. Pristiq (desvenlafaxine)." Wyeth Laboratories (2008):
  91. Rang ST, Field J, Irving C "Serotonin toxicity caused by an interaction between fentanyl and paroxetine." Can J Anaesth 55 (2008): 521-5
  92. "Product Information. Savella (milnacipran)." Forest Pharmaceuticals (2009):
  93. "Product Information. Nucynta (tapentadol)." PriCara Pharmaceuticals (2009):
  94. Lee J, Franz L, Goforth HW "Serotonin syndrome in a chronic-pain patient receiving concurrent methadone, ciprofloxacin, and venlafaxine." Psychosomatics 50 (2009): 638-9
  95. "Product Information. Viibryd (vilazodone)." Trovis Pharmaceuticals LLC (2011):
  96. Mugele J, Nanagas KA, Tormoehlen LM "Serotonin Syndrome Associated With MDPV Use: A Case Report." Ann Emerg Med (2012):
  97. "Product Information. Oleptro (trazodone)." Labopharm Inc (2012):
  98. "Product Information. Fetzima (levomilnacipran)." Forest Pharmaceuticals (2013):
  99. "Product Information. Brintellix (vortioxetine)." Takeda Pharmaceuticals America (2013):
  100. "Product Information. Exxua (gepirone)." Mission Pharmacal Company 1 (2023):

Drug and Food Interactions

Moderate
Prozac + Food

The following applies to the ingredients: Fluoxetine (found in Prozac)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References

  1. Warrington SJ, Ankier SI, Turner P "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology 15 (1986): 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc. (1990):
  3. "Product Information. Fycompa (perampanel)." Eisai Inc (2012):
  4. "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc (2015):

Moderate
Trazodone + Food

The following applies to the ingredients: Trazodone

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References

  1. Warrington SJ, Ankier SI, Turner P "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology 15 (1986): 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc. (1990):
  3. "Product Information. Fycompa (perampanel)." Eisai Inc (2012):
  4. "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc (2015):

Drug and Pregnancy Interactions

The following applies to the ingredients: Fluoxetine (found in Prozac)

This drug should be used only if the potential benefit justifies the risk to the fetus, taking into account the risks of untreated depression.

AU TGA pregnancy category: C
US FDA pregnancy category: C

Comments:
-A pregnancy exposure registry is available.
-Neonates exposed to this drug late in the third trimester may require respiratory support, tube feeding, and/or prolonged hospitalization.
-Exposed neonates should be monitored after delivery for direct toxic effects of this drug, drug discontinuation syndrome, and serotonin syndrome (e.g.,. respiratory distress, cyanosis, apnea, seizures, temperature instability, feeding difficulty, vomiting, hypoglycemia, hypo/hypertonia, hyperreflexia, tremor, jitteriness, irritability, constant crying).

Animal studies have failed to reveal evidence of fetal harm. There are no controlled data in human pregnancy.

Results of several epidemiological studies assessing the risk of exposure of this drug in early pregnancy have been inconsistent and not provided conclusive evidence of an increased risk of congenital malformations. Some epidemiological studies suggest an increased risk of cardiovascular malformations; however, the mechanism is unknown. Overall, data suggest that the risk of having an infant with a cardiovascular defect following maternal exposure is approximately 2 in 100 compared with 1 in 100 for the general population.

Epidemiological data have suggested that the use of SSRIs, particularly in late pregnancy, may increase the risk of persistent pulmonary hypertension in the newborn. Data are not available for SNRIs.

The results of a cohort study indicated that 30% of neonates who had prolonged exposure to SSRIs in utero experienced symptoms, in a dose- response manner, of a neonatal abstinence syndrome (e.g., tremor, gastrointestinal or sleep disturbances, hypertonicity, high-pitched cry) after birth. The authors suggest that infants exposed to SSRIs should be closely monitored for a minimum of 48 hours after birth.

Data from animal studies has shown that fluoxetine may affect sperm quality. Human case reports from some SSRIs have shown this effect to be reversible. As yet, the impact of this on human fertility has not been observed.

To monitor maternal-fetal outcomes of pregnant women exposed to antidepressant therapy, a National Pregnancy Registry for Antidepressants has been established. Healthcare providers are encouraged to prospectively register patients. For additional information: https://womensmentalhealth.org/clinical-and-research-programs/pregnancyregistry/antidepressants/

AU TGA pregnancy category C: Drugs which, owing to their pharmacological effects, have caused or may be suspected of causing, harmful effects on the human fetus or neonate without causing malformations. These effects may be reversible. Accompanying texts should be consulted for further details.

US FDA pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

References

  1. "Product Information. Prozac (fluoxetine)." Dista Products Company PROD (2001):
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  3. Cerner Multum, Inc. "Australian Product Information." O 0
  4. United States National Library of Medicine "Toxnet. Toxicology Data Network. http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT" (2013):

The following applies to the ingredients: Trazodone

This drug should be used during pregnancy only if the benefit outweighs the risk to the fetus.
-Some experts recommend: Use with caution; use should be avoided during the first trimester of pregnancy.

US FDA pregnancy category: C

Comment: When this drug is used until delivery, newborns should be monitored for the occurrence of withdrawal symptoms.

Animal studies have revealed evidence of increased fetal resorption and congenital anomalies in adolescents. Other animal models have failed to reveal evidence of adverse effects on embryofetal development, parturition, or postnatal development when given at therapeutic doses. There are no controlled data in human pregnancy.

US FDA pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

References

  1. "Product Information. Desyrel (trazodone)." Bristol-Myers Squibb PROD (2001):
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

Drug and Breastfeeding Interactions

The following applies to the ingredients: Fluoxetine (found in Prozac)

Use of this drug is not recommended; however, if it is required by the mother, it is not considered a reason to discontinue breastfeeding

Excreted into human milk: Yes

Comments:
-Breastfed infants should be monitored for side effects such as colic, fussiness, sedation, and adequate weight gain.
-Mothers taking an SSRI during pregnancy and postpartum may have difficulty breastfeeding and may require additional breastfeeding support.

The average amount of drug in breastmilk is higher with fluoxetine than with most other SSRIs, and the long-acting active metabolite, norfluoxetine, is detectable in the serum of most breastfed infants during the first 2 months postpartum and in a few thereafter. No adverse effects on development have been reported in a few infants followed for up to one year.

It has been suggested that fluoxetine therapy may be continued during breastfeeding if it was used during pregnancy or if other antidepressants were ineffective. Alternatively, medicines with a lower excretion into breastmilk may be preferred, particularly when nursing a newborn or preterm infant.

An infant breastfed by a mother receiving oral fluoxetine therapy developed crying, sleep disturbance, watery stools, and vomiting. The infants' plasma drug levels of fluoxetine and norfluoxetine on the second day of feeding were 340 ng/mL and 208 ng/mL, respectively.

A report of ten women nursing eleven infants found that less than 10% of the dose of fluoxetine (per kg of body weight) was delivered to the nursing infant during chronic maternal therapy. Other reports from two lactating women taking fluoxetine have described milk fluoxetine and norfluoxetine concentrations to be about one-fifth to one-quarter of the serum concentrations. No adverse effects were reported in these nursing infants.

References

  1. "Product Information. Prozac (fluoxetine)." Dista Products Company PROD (2001):
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  3. Cerner Multum, Inc. "Australian Product Information." O 0
  4. United States National Library of Medicine "Toxnet. Toxicology Data Network. http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT" (2013):

The following applies to the ingredients: Trazodone

A decision should be made to discontinue breastfeeding or discontinue the drug, taking into account the importance of the drug to the mother.
-Some experts recommend: Caution is recommended.

Excreted into human milk: Yes

Comments:
-The effects in the nursing infant are unknown.
-The American Academy of Pediatrics considers this agent a drug for which the effect on nursing infants is unknown but may be of concern.

References

  1. "Product Information. Desyrel (trazodone)." Bristol-Myers Squibb PROD (2001):
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  3. Briggs GG, Freeman RK. "Drugs in Pregnancy and Lactation." Philadelphia, PA: Wolters Kluwer Health (2015):

Therapeutic Duplication Warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

Switch to: Consumer Interactions

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

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