A similar association, though less marked, has been suggested for barbiturates, phenylbutazone, phenytoin sodium, and possibly with griseofulvin, ampicillin, and tetracyclines.
Source: FDA drug label - ethynodiol diacetate and ethinyl estradiol
Ethynodiol Diacetate And Ethinyl Estradiol Interactions
Brand names: Kelnor 1/35
FDA Black Box Warning
Cigarette smoking increases the risk of serious adverse effects on the heart and blood vessels from oral contraceptive use. This risk increases with age and with heavy smoking (15 or more cigarettes per day) and is quite marked in women over 35 years of age. Women who use oral contraceptives are strongly advised not to smoke.
5 interactions on record
Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Do not co-administer Kelnor with HCV drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to potential for ALT elevations (see WARNINGS, Risk of Liver Enzyme Elevations with Concomitant Hepatitis C Treatment ).
Source: FDA drug label - ethynodiol diacetate and ethinyl estradiol
Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Do not co-administer Kelnor with HCV drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to potential for ALT elevations (see WARNINGS, Risk of Liver Enzyme Elevations with Concomitant Hepatitis C Treatment ).
Source: FDA drug label - ethynodiol diacetate and ethinyl estradiol
Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Do not co-administer Kelnor with HCV drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to potential for ALT elevations (see WARNINGS, Risk of Liver Enzyme Elevations with Concomitant Hepatitis C Treatment ).
Source: FDA drug label - ethynodiol diacetate and ethinyl estradiol
Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation Do not co-administer Kelnor with HCV drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to potential for ALT elevations (see WARNINGS, Risk of Liver Enzyme Elevations with Concomitant Hepatitis C Treatment ).
Source: FDA drug label - ethynodiol diacetate and ethinyl estradiol