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Interaction Check

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Selected Drugs Clear All

  • remove Alahist CF
    dexbrompheniramine/ dextromethorphan/ phenylephrine
  • remove Culturelle
    Lacticaseibacillus rhamnosus
  • remove Dexilant SoluTab
    dexlansoprazole
  • remove Pomalyst
    pomalidomide
  • remove Welireg
    belzutifan
  • remove Yasmin
    drospirenone/ ethinyl estradiol

multicheck MultiCheck Results - 5 Interactions

Smiley face Smiley face

Avoid/Use Alternative

Smiley face Smiley face Welireg (belzutifan) + Yasmin (drospirenone/ ethinyl estradiol)

Avoid/Use Alternative


belzutifan + drospirenone (contraceptive)

use additional non-hormonal or alternative contraception during and x28 days after belzutifan tx: combo may decr. drospirenone levels, contraceptive efficacy (hepatic metabolism induced)

belzutifan + ethinyl estradiol (contraceptive)

use additional non-hormonal or alternative contraception during and x28 days after belzutifan tx: combo may decr. ethinyl estradiol levels, contraceptive efficacy (hepatic metabolism induced)

Monitor/Modify Tx

Smiley face Smiley face Alahist CF (dexbrompheniramine/ dextromethorphan/ phenylephrine) + Yasmin (drospirenone/ ethinyl estradiol)

Monitor/Modify Tx


phenylephrine + ethinyl estradiol (contraceptive)

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

Smiley face Smiley face Pomalyst (pomalidomide) + Yasmin (drospirenone/ ethinyl estradiol)

Monitor/Modify Tx


pomalidomide + drospirenone (contraceptive)

monitor thrombosis s/sx, especially w/ concomitant estrogen use: combo may incr. risk of thromboembolism (additive effects)

pomalidomide + ethinyl estradiol (contraceptive)

monitor CBC, thrombosis s/sx: combo may incr. pomalidomide levels, risk of serious infection, myelosuppression, other adverse effects; may incr. risk of thromboembolism (hepatic metabolism inhibited; additive effects)

Additional Considerations

Smiley face Smiley face Lacticaseibacillus rhamnosus in Culturelle

separate administration from antibiotics by at least 2h; combo may alter Lacticaseibacillus rhamnosus probiotic efficacy

Smiley face Smiley face phenylephrine in Alahist CF

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

Smiley face Smiley face dextromethorphan in Alahist CF

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

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