epocrates logo
epocrates logo
epocrates logo
  • 0

Interaction Check

epocrates logo

Sign in to access our clinical decision support tools

Sign in Create Account

Selected Drugs Clear All

  • remove alprostadil
    generic
  • remove Microgestin 1.5/ 30
    norethindrone/ ethinyl estradiol
  • remove Salonpas Lidocaine Pain Relieving Patch
    lidocaine topical patch
  • remove SudoGest Sinus & Allergy
    chlorpheniramine/ pseudoephedrine

multicheck MultiCheck Results - 2 Interactions

Smiley face Smiley face

Monitor/Modify Tx

Smiley face Smiley face Microgestin 1.5/30 (norethindrone/ ethinyl estradiol) + SudoGest Sinus & Allergy (chlorpheniramine/ pseudoephedrine)

Monitor/Modify Tx


ethinyl estradiol (contraceptive) + pseudoephedrine

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

Caution Advised

Smiley face Smiley face alprostadil (generic) + SudoGest Sinus & Allergy (chlorpheniramine/ pseudoephedrine)

Caution Advised


ethanol (in some formulations) + chlorpheniramine

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

Additional Considerations

Smiley face Smiley face alprostadil intravenous in alprostadil

some alprostadil formulations contain ethanol

Smiley face Smiley face pseudoephedrine in SudoGest Sinus & Allergy

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

Help
FDA Reporting Form
 
Download Epocrates from the App Store Download Epocrates from the Play Store
About Us Features Business Solutions Help & Feedback
© 2026 epocrates, Inc.    Terms of Use Privacy Policy Editorial Policy Do Not Sell or Share My Information