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Interaction Check

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Selected Drugs Clear All

  • remove Medrol
    methylprednisolone
  • remove Polytussin DM
    pyrilamine/ dextromethorphan/ phenylephrine
  • remove Septra
    sulfamethoxazole/ trimethoprim
  • remove Tri-Lo-Mili
    norgestimate/ ethinyl estradiol
  • remove Varibar Thin Honey
    barium sulfate

multicheck MultiCheck Results - 4 Interactions

Smiley face Smiley face

Monitor/Modify Tx

Smiley face Smiley face Medrol (methylprednisolone) + Polytussin DM (pyrilamine/ dextromethorphan/ phenylephrine)

Monitor/Modify Tx


methylprednisolone + phenylephrine

monitor BP: combo may incr. risk of HTN (additive effects)

Smiley face Smiley face Medrol (methylprednisolone) + Tri-Lo-Mili (norgestimate/ ethinyl estradiol)

Monitor/Modify Tx


methylprednisolone + ethinyl estradiol (contraceptive)

monitor BP: combo may incr. risk of HTN (additive effects)

Smiley face Smiley face Polytussin DM (pyrilamine/ dextromethorphan/ phenylephrine) + Tri-Lo-Mili (norgestimate/ ethinyl estradiol)

Monitor/Modify Tx


phenylephrine + ethinyl estradiol (contraceptive)

monitor BP: combo may incr. risk of HTN (additive effects)

Caution Advised

Smiley face Smiley face Polytussin DM (pyrilamine/ dextromethorphan/ phenylephrine) + Varibar Thin Honey (barium sulfate)

Caution Advised


pyrilamine + barium

caution advised: combo may incr. risk of intestinal obstruction (additive effects)

Additional Considerations

Smiley face Smiley face barium in Varibar Thin Honey

separate administration from other oral drugs; barium may alter absorption of concomitant oral drugs

Smiley face Smiley face phenylephrine in Polytussin DM

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

Smiley face Smiley face dextromethorphan in Polytussin DM

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

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