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Interaction Check

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Selected Drugs Clear All

  • remove MS Contin
    morphine sulfate
  • remove trazodone
    generic

multicheck MultiCheck Results - 1 Interaction

Smiley face Smiley face

Avoid/Use Alternative

Smiley face Smiley face MS Contin (morphine sulfate) + trazodone (generic)

Avoid/Use Alternative


morphine + trazodone

use alternative or monitor respiratory rate, BP, serotonin syndrome sx, especially during initiation/titration; decr. dose of one or both drugs, use lowest effective doses and shortest duration of concomitant tx: combo may incr. morphine levels, risk of profound CNS and respiratory depression, psychomotor impairment, serotonin syndrome, severe hypotension (including orthostasis, syncope), other adverse effects (P-gp-mediated transport inhibited, additive effects)

Additional Considerations

Smiley face Smiley face morphine in MS Contin

consider prescribing an opioid overdose reversal agent, especially with concomitant CNS depressant use

add MAO inhibitor to Interaction Check if recent (14 days) use

avoid combo with beverages or products containing ethanol and some morphine extended-release (ER) capsules; combo may incr. morphine release rate, levels, risk of adverse effects, including life-threatening overdose, decr. duration of efficacy

Smiley face Smiley face trazodone

add MAO inhibitor to Interaction Check if recent (14 days) use

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