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 Clenpiq
    sodium picosulfate/ magnesium oxide/ citric acid
  • remove Lorbrena
    lorlatinib
  • remove Low-Ogestrel
    norgestrel/ ethinyl estradiol
  • remove Orsythia
    levonorgestrel/ ethinyl estradiol
  • remove Syeda
    drospirenone/ ethinyl estradiol
  • remove Truxima (rituximab-abbs)
    rituximab

multicheck MultiCheck Results - 16 Interactions

Smiley face Smiley face

Avoid/Use Alternative

Smiley face Smiley face Lorbrena (lorlatinib) + Low-Ogestrel (norgestrel/ ethinyl estradiol)

Avoid/Use Alternative


lorlatinib + ethinyl estradiol (contraceptive)

use additional non-hormonal or alternative contraception during and x28 days after lorlatinib tx; monitor BP: combo may decr. ethinyl estradiol levels, contraceptive efficacy; may incr. risk of HTN (hepatic metabolism induced, P-gp-mediated transport induced, UGT induced; additive effects)

lorlatinib + norgestrel (contraceptive)

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

Smiley face Smiley face Lorbrena (lorlatinib) + Orsythia (levonorgestrel/ ethinyl estradiol)

Avoid/Use Alternative


lorlatinib + ethinyl estradiol (contraceptive)

use additional non-hormonal or alternative contraception during and x28 days after lorlatinib tx; monitor BP: combo may decr. ethinyl estradiol levels, contraceptive efficacy; may incr. risk of HTN (hepatic metabolism induced, P-gp-mediated transport induced, UGT induced; additive effects)

lorlatinib + levonorgestrel (contraceptive)

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

Smiley face Smiley face Lorbrena (lorlatinib) + Syeda (drospirenone/ ethinyl estradiol)

Avoid/Use Alternative


lorlatinib + drospirenone (contraceptive)

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

lorlatinib + ethinyl estradiol (contraceptive)

use additional non-hormonal or alternative contraception during and x28 days after lorlatinib tx; monitor BP: combo may decr. ethinyl estradiol levels, contraceptive efficacy; may incr. risk of HTN (hepatic metabolism induced, P-gp-mediated transport induced, UGT induced; additive effects)

Smiley face Smiley face Low-Ogestrel (norgestrel/ ethinyl estradiol) + Orsythia (levonorgestrel/ ethinyl estradiol)

Avoid/Use Alternative


ethinyl estradiol (contraceptive) + ethinyl estradiol (contraceptive)

avoid combo: combo may incr. risk of HTN, thromboembolism, endometrial hyperplasia, other adverse effects (additive effects, duplicate therapy)

norgestrel (contraceptive) + levonorgestrel (contraceptive)

avoid combo: combo may incr. risk of thromboembolism, other adverse effects (additive effects, duplicate therapy)

Smiley face Smiley face Low-Ogestrel (norgestrel/ ethinyl estradiol) + Syeda (drospirenone/ ethinyl estradiol)

Avoid/Use Alternative


ethinyl estradiol (contraceptive) + ethinyl estradiol (contraceptive)

avoid combo: combo may incr. risk of HTN, thromboembolism, endometrial hyperplasia, other adverse effects (additive effects, duplicate therapy)

norgestrel (contraceptive) + drospirenone (contraceptive)

avoid combo: combo may incr. risk of thromboembolism, other adverse effects (additive effects, duplicate therapy)

Smiley face Smiley face Orsythia (levonorgestrel/ ethinyl estradiol) + Syeda (drospirenone/ ethinyl estradiol)

Avoid/Use Alternative


ethinyl estradiol (contraceptive) + ethinyl estradiol (contraceptive)

avoid combo: combo may incr. risk of HTN, thromboembolism, endometrial hyperplasia, other adverse effects (additive effects, duplicate therapy)

levonorgestrel (contraceptive) + drospirenone (contraceptive)

avoid combo: combo may incr. risk of thromboembolism, other adverse effects (additive effects, duplicate therapy)

Monitor/Modify Tx

Smiley face Smiley face Clenpiq (sodium picosulfate/ magnesium oxide/ citric acid) + Truxima (rituximab-abbs) (rituximab)

Monitor/Modify Tx


magnesium citrate + rituximab

monitor renal fxn, especially if magnesium citrate bowel prep use: combo may incr. risk of nephrotoxicity (additive effects)

sodium picosulfate + rituximab

monitor renal function: combo may incr. risk of nephrotoxicity (additive effects)

Caution Advised

Smiley face Smiley face Clenpiq (sodium picosulfate/ magnesium oxide/ citric acid) + Lorbrena (lorlatinib)

Caution Advised


magnesium citrate + lorlatinib

caution advised, especially if magnesium citrate bowel prep use: combo may incr. risk of seizures (additive effects)

sodium picosulfate + lorlatinib

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

Additional Considerations

Smiley face Smiley face magnesium citrate in Clenpiq

separate administration from other oral drugs by at least 1h; magnesium citrate may decr. absorption of concomitant oral drugs

Smiley face Smiley face sodium picosulfate in Clenpiq

separate administration from other oral drugs by at least 1h; sodium picosulfate may decr. absorption of concomitant oral drugs

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