Drug Interactions between Demulen 1/35 and lapatinib
This report displays the potential drug interactions for the following 2 drugs:
- Demulen 1/35 (ethinyl estradiol/ethynodiol)
- lapatinib
Interactions between your drugs
ethinyl estradiol lapatinib
Applies to: Demulen 1 / 35 (ethinyl estradiol / ethynodiol) and lapatinib
Lapatinib may increase the blood levels and effects of ethinyl estradiol. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if you experience increased side effects or your condition changes. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
ethynodiol lapatinib
Applies to: Demulen 1 / 35 (ethinyl estradiol / ethynodiol) and lapatinib
Lapatinib may increase the blood levels and effects of ethynodiol. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if you experience increased side effects or your condition changes. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Drug and food interactions
lapatinib food
Applies to: lapatinib
Take lapatinib on an empty stomach 1 hour before or 1 hour after a meal unless otherwise directed by your doctor. This will make it easier for your body to absorb the medication. The lapatinib dose is administered once daily and should not be divided. The usual dose of lapatinib is equal to 5 tablets. You may swallow each tablet one at a time, but take the entire lapatinib dose at the same time each day. If you are receiving therapy with lapatinib you should be advised to avoid grapefruits and grapefruit juice. Grapefruit can raise the levels of lapatinib in your body and lead to dangerous side effects.
ethinyl estradiol food
Applies to: Demulen 1 / 35 (ethinyl estradiol / ethynodiol)
Information for this minor interaction is available on the professional version.
ethinyl estradiol food
Applies to: Demulen 1 / 35 (ethinyl estradiol / ethynodiol)
Information for this minor interaction is available on the professional version.
ethynodiol food
Applies to: Demulen 1 / 35 (ethinyl estradiol / ethynodiol)
Information for this minor interaction is available on the professional version.
Therapeutic duplication warnings
No warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
See also
Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
No interaction information available. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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