Drug interactions with ketoconazole oral and levonorgestrel-ethinyl estrad oral

ketoconazole oral brand names and other generic formulations include:

Nizoral Oral

All generic drug interactions for ketoconazole 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):
Significant - Monitor CloselyPotential for interaction

ketoconazole oral and levonorgestrel-ethinyl estrad oral

ketoconazole oral will increase the level or effect of levonorgestrel-ethinyl estrad oral by altering drug metabolism. Avoid use with CYP3A4 inhibitors such as ketoconazole; may increase plasma hormone levels.

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
Significant - Monitor CloselyPotential for interaction, monitor.

ketoconazole oral and levonorgestrel-ethinyl estrad oral

ketoconazole oral will increase the level or effect of levonorgestrel-ethinyl estrad oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism. CYP3A4 inhibitors such as ketoconazole may increase plasma hormone levels.

Clinical Drug Interactions Source: Medscape from WebMD
© 1994-2014 WebMD, LLC.
Significant - Monitor CloselyPotential for interaction

levonorgestrel-ethinyl estrad oral and ketoconazole oral

levonorgestrel-ethinyl estrad oral will increase the level or effect of ketoconazole oral by altering drug metabolism. Avoid use with CYP3A4 inhibitors such as ketoconazole; may increase plasma hormone levels.

Patient Drug Interactions Source: RxList
© 2014 RxList, Inc.
Significant - Monitor CloselyPotential for interaction, monitor.

levonorgestrel-ethinyl estrad oral and ketoconazole oral

levonorgestrel-ethinyl estrad oral will increase the level or effect of ketoconazole oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism. CYP3A4 inhibitors such as ketoconazole may increase plasma hormone levels.

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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