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Interaction Check

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Selected Drugs Clear All

  • remove Alka-Seltzer Plus Severe Cold & Cough PowerFast Fizz
    aspirin/ chlorpheniramine/ dextromethorphan/ phenylephrine
  • remove Refresh Plus
    carboxymethylcellulose ophthalmic
  • remove Spravato
    esketamine nasal
  • remove Sudafed PE Sinus Congestion Night
    diphenhydramine/ phenylephrine
  • remove Verquvo
    vericiguat

multicheck MultiCheck Results - 6 Interactions

Smiley face Smiley face

Avoid/Use Alternative

Smiley face Smiley face Alka-Seltzer Plus Severe Cold & Cough PowerFast Fizz (aspirin/ chlorpheniramine/ dextromethorphan/ phenylephrine) + Sudafed PE Sinus Congestion Night (diphenhydramine/ phenylephrine)

Avoid/Use Alternative


phenylephrine + phenylephrine

avoid combo: combo may incr. risk of HTN, tachycardia (additive effects, duplicate therapy)

Caution Advised


chlorpheniramine + diphenhydramine

caution advised: combo may incr. risk of CNS depression, psychomotor impairment, anticholinergic adverse effects (additive effects)

Monitor/Modify Tx

Smiley face Smiley face Alka-Seltzer Plus Severe Cold & Cough PowerFast Fizz (aspirin/ chlorpheniramine/ dextromethorphan/ phenylephrine) + Spravato (esketamine nasal)

Monitor/Modify Tx


chlorpheniramine + esketamine

monitor respiratory rate: combo may incr. risk of CNS and respiratory depression, psychomotor impairment (additive effects)

phenylephrine + esketamine

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

Smiley face Smiley face Spravato (esketamine nasal) + Sudafed PE Sinus Congestion Night (diphenhydramine/ phenylephrine)

Monitor/Modify Tx


esketamine + diphenhydramine

monitor respiratory rate: combo may incr. risk of CNS and respiratory depression, psychomotor impairment (additive effects)

esketamine + phenylephrine

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

Additional Considerations

Smiley face Smiley face dextromethorphan in Alka-Seltzer Plus Severe Cold & Cough PowerFast Fizz

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

Smiley face Smiley face phenylephrine in Alka-Seltzer Plus Severe Cold & Cough PowerFast Fizz, Sudafed PE Sinus Congestion Night

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

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