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Interaction Check

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Selected Drugs Clear All

  • remove amphetamine
    generic
  • remove DHEA
    common name
  • remove nalmefene
    generic
  • remove pentazocine/ naloxone
    generic
  • remove Urecholine
    bethanechol
  • remove Zomacton
    somatropin (recombinant)

multicheck MultiCheck Results - 2 Interactions

Smiley face Smiley face

Avoid/Use Alternative

Smiley face Smiley face amphetamine (generic) + pentazocine/naloxone (generic)

Avoid/Use Alternative


amphetamine + pentazocine

use alternative or monitor serotonin syndrome sx, especially during initiation/titration; decr. amphetamine start dose: combo may incr. risk of serotonin syndrome (additive effects)

Monitor/Modify Tx

Smiley face Smiley face pentazocine/naloxone (generic) + Urecholine (bethanechol)

Monitor/Modify Tx


pentazocine + bethanechol

monitor BP: combo may incr. risk of severe hypotension, including orthostasis, syncope (additive effects)

Additional Considerations

Smiley face Smiley face amphetamine

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

avoid combo with beverages or products containing ethanol and Adzenys XR-ODT, Dyanavel XR, Mydayis, generic extended-release orally disintegrating tablet (ER ODT) formulations; combo may incr. amphetamine release rate, levels, risk of adverse effects, decr. duration of efficacy

Smiley face Smiley face pentazocine in pentazocine/naloxone

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

Smiley face Smiley face naloxone (abuse deterrent) in pentazocine/naloxone

no pharmacologic activity when administered as directed

Smiley face Smiley face somatropin in Zomacton

caution advised with drugs metabolized by CYP450 liver enzymes; somatropin may increase CYP450 metabolic function, alter levels of concomitant drugs, incr. risk of adverse effects or decr. efficacy

lonapegsomatropin is a prodrug of somatropin; similar interactions anticipated

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