Drug interactions with letrozole oral and levonorgestrel-ethinyl estrad oral

letrozole oral brand names and other generic formulations include:

Femara Oral

All generic drug interactions for letrozole oral (lists will include brand and generic names):

levonorgestrel-ethinyl estrad oral brand names and other generic formulations include:

Alesse (21) Oral, Alesse-28 Oral, Altavera (28) Oral, Amethyst Oral, Aviane Oral, Chateal Oral, Enpresse Oral, Falmina (28) Oral, Introvale Oral, Jolessa Oral, Kurvelo Oral, Lessina Oral, Levlen (21) Oral, Levlen (28) Oral, Levlen (8) Oral, Levlite-21 Oral, Levlite-28 Oral, Levonest (28) Oral, levonorg-eth estrad triphasic Oral, Levora 0.15/30 (21) Oral, Levora 0.15/30 (28) Oral, Levora-21 Oral, Levora-28 Oral, Lutera (28) Oral, Lybrel Oral, Marlissa Oral, Myzilra Oral, Nordette Oral, Nordette-21 Oral, Nordette-28 Oral, Orsythia Oral, Portia Oral, Quasense Oral, Seasonale contraceptive Oral, Sronyx Oral, Tri-Levlen (21) Oral, Tri-Levlen (28) Oral, Triphasil-21 Oral, Triphasil-28 Oral, Trivora (28) Oral

All generic drug interactions for levonorgestrel-ethinyl estrad oral (lists will include brand and generic names):
Serious - Use AlternativePotential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed

letrozole oral and levonorgestrel-ethinyl estrad oral

letrozole oral decreases effects of levonorgestrel-ethinyl estrad oral by opposing drug effects. Letrozole should not be taken together with any estrogens or estrogen-containing products.

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
Serious - Use AlternativePossible serious or life-threatening interaction. Monitor closely. Use alternatives if available.

letrozole oral and levonorgestrel-ethinyl estrad oral

letrozole oral decreases effects of levonorgestrel-ethinyl estrad oral by pharmacodynamic antagonism. Letrozole should not be given concurrently with any estrogens or estrogen-containing products.

Clinical Drug Interactions Source: Medscape from WebMD
© 1994-2014 WebMD, LLC.
Serious - Use AlternativePotential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed

levonorgestrel-ethinyl estrad oral and letrozole oral

levonorgestrel-ethinyl estrad oral decreases effects of letrozole oral by opposing drug effects. Letrozole should not be taken together with any estrogens or estrogen-containing products.

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
Serious - Use AlternativePossible serious or life-threatening interaction. Monitor closely. Use alternatives if available.

levonorgestrel-ethinyl estrad oral and letrozole oral

levonorgestrel-ethinyl estrad oral decreases effects of letrozole oral by pharmacodynamic antagonism. Letrozole should not be given concurrently with any estrogens or estrogen-containing products.

Clinical Drug Interactions Source: Medscape from WebMD
© 1994-2014 WebMD, LLC.

Check for more interactions with the Drug Interaction Checker

Drug Interaction Categories

Contraindicated

Never use this combination of drugs because of high risk for dangerous interaction

Serious

Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed

Significant

Potential for significant interaction (monitoring by your doctor is likely required)

Minor

Interaction is unlikely, minor, or nonsignificant

Disclaimer: The information contained herein should NOT be used as a substitute for the advice of an appropriately qualified and licensed physician or other health care provider. The information provided here is for informational purposes only. This tool may not cover all possible drug interactions. Please check with a physician if you have health questions or concerns. Although we attempt to provide accurate and up-to-date information, no guarantee is made to that effect.

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