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Interaction Check

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Selected Drugs Clear All

  • remove baclofen
    generic
  • remove digoxin
    generic
  • remove erythromycin ethylsuccinate
    generic
  • remove Lonsurf
    trifluridine/ tipiracil
  • remove Mucinex
    guaifenesin

multicheck MultiCheck Results - 2 Interactions

Smiley face Smiley face

Avoid/Use Alternative

Smiley face Smiley face erythromycin ethylsuccinate (generic) + Lonsurf (trifluridine/ tipiracil)

Avoid/Use Alternative


erythromycin + trifluridine

use alternative or monitor ECG: combo may incr. risk of QT prolongation, cardiac arrhythmias (additive effects)

Monitor/Modify Tx

Smiley face Smiley face digoxin (generic) + erythromycin ethylsuccinate (generic)

Monitor/Modify Tx


digoxin + erythromycin

monitor digoxin levels, HR; decr. digoxin frequency or dose by 30-50%: combo may incr. digoxin levels, risk of bradycardia, AV block, other adverse effects (P-gp-mediated transport inhibited)

Additional Considerations

Smiley face Smiley face digoxin

monitor digoxin levels more frequently when starting, adjusting, or stopping other drugs, including short-term therapies, OTC drugs, and/or herbal supplements

monitor electrolytes more frequently with concomitant drugs, OTC drugs, and/or herbal supplements that may lead to electrolyte abnormalities, resulting in potential incr. risk of digoxin toxicity, cardiac arrhythmias

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