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Interaction Check

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Selected Drugs Clear All

  • remove Glucophage XR
    metformin
  • remove Koselugo
    selumetinib
  • remove potassium citrate
    generic
  • remove Prilosec
    omeprazole
  • remove Rytary
    carbidopa/ levodopa
  • remove Tri-Lo-Mili
    norgestimate/ ethinyl estradiol

multicheck MultiCheck Results - 3 Interactions

Smiley face Smiley face

Monitor/Modify Tx

Smiley face Smiley face Glucophage XR (metformin) + Tri-Lo-Mili (norgestimate/ ethinyl estradiol)

Monitor/Modify Tx


metformin + ethinyl estradiol (contraceptive)

monitor glucose: combo may decr. antidiabetic agent efficacy (antagonistic effects)

metformin + norgestimate (contraceptive)

monitor glucose: combo may decr. antidiabetic agent efficacy (antagonistic effects)

Caution Advised

Smiley face Smiley face Prilosec (omeprazole) + Rytary (carbidopa/ levodopa)

Caution Advised


omeprazole + levodopa

caution advised w/ oral levodopa: combo may decr. levodopa levels, efficacy (absorption decr. at higher gastric pH)

Additional Considerations

Smiley face Smiley face levodopa in Rytary

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

avoid combo with beverages or products containing ethanol and Crexont; combo may incr. levodopa release rate, levels, risk of adverse effects, decr. duration of efficacy

Smiley face Smiley face carbidopa in Rytary

avoid combo with beverages or products containing ethanol and Crexont; combo may incr. carbidopa release rate, levels, risk of adverse effects, decr. duration of efficacy

Smiley face Smiley face selumetinib in Koselugo

avoid supplemental vitamin E if daily vitamin E intake greater than recommended or safe limits; combo may incr. risk of bleeding; additive effects, antiplatelet and anticoagulant effects augmented by vitamin E content in selumetinib capsules

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