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Drug interactions with ethynodiol diac-eth estradiol oral and isoniazid-rifamp-pyrazinamide oral

ethynodiol diac-eth estradiol oral brand names and other generic formulations include:

Demulen 1/35 (21) Oral, Demulen 1/35 (28) Oral, Demulen 1/50 (21) Oral, Demulen 1/50 (28) Oral, Kelnor 1/35 (28) Oral, Zovia 1/35E (21) Oral, Zovia 1/35E (28) Oral, Zovia 1/50E (21) Oral, Zovia 1/50E (28) Oral

All generic drug interactions for ethynodiol diac-eth estradiol oral (lists will include brand and generic names):

isoniazid-rifamp-pyrazinamide oral brand names and other generic formulations include:

Rifater Oral

All generic drug interactions for isoniazid-rifamp-pyrazinamide 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

ethynodiol diac-eth estradiol oral and isoniazid-rifamp-pyrazinamide oral

ethynodiol diac-eth estradiol oral will decrease the level or effect of isoniazid-rifamp-pyrazinamide oral by altering drug metabolism. The effect of hormonal contraceptives may be reduced. Use of a nonhormonal contraceptive is recommended.

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

ethynodiol diac-eth estradiol oral and isoniazid-rifamp-pyrazinamide oral

ethynodiol diac-eth estradiol oral will decrease the level or effect of isoniazid-rifamp-pyrazinamide oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism. The efficacy of hormonal contraceptives may be reduced. Use of a nonhormonal contraceptive is recommended.

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

isoniazid-rifamp-pyrazinamide oral and ethynodiol diac-eth estradiol oral

isoniazid-rifamp-pyrazinamide oral will decrease the level or effect of ethynodiol diac-eth estradiol oral by altering drug metabolism. The effect of hormonal contraceptives may be reduced. Use of a nonhormonal contraceptive is recommended.

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

isoniazid-rifamp-pyrazinamide oral and ethynodiol diac-eth estradiol oral

isoniazid-rifamp-pyrazinamide oral will decrease the level or effect of ethynodiol diac-eth estradiol oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism. The efficacy of hormonal contraceptives may be reduced. Use of a nonhormonal contraceptive is recommended.

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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