Drug Interaction Report
6 potential interactions and/or warnings found for the following 2 drugs:
- Preven EC (ethinyl estradiol / levonorgestrel)
- tipranavir
Interactions between your drugs
ethinyl estradiol tipranavir
Applies to: Preven EC (ethinyl estradiol / levonorgestrel), tipranavir
Using ethinyl estradiol together with tipranavir may increase your risk of developing a skin rash. If a rash occurs, it is usually mild to moderate. Nevertheless, you should be instructed to contact their doctor promptly. If your doctor does prescribe these medications together, you may need a dose adjustment or special test to safely use both medications. 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
levonorgestrel food
Applies to: Preven EC (ethinyl estradiol / levonorgestrel)
Grapefruit juice may increase the blood levels of certain medications such as levonorgestrel. You may want to limit your consumption of grapefruit and grapefruit juice during treatment with levonorgestrel. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if your condition changes or you experience increased side effects. Orange juice is not expected to interact.
tipranavir food
Applies to: tipranavir
Tipranavir should be taken with food. This helps to reduce the gastrointestinal side effects of ritonavir, which you must also take with tipranavir in order to achieve effective blood levels of the medication against HIV. Talk to your doctor or pharmacist if you have any questions on how to use these medications properly.
ethinyl estradiol food
Applies to: Preven EC (ethinyl estradiol / levonorgestrel)
Information for this minor interaction is available on the professional version.
ethinyl estradiol food
Applies to: Preven EC (ethinyl estradiol / levonorgestrel)
Information for this minor interaction is available on the professional version.
levonorgestrel food
Applies to: Preven EC (ethinyl estradiol / levonorgestrel)
Information for this minor interaction is available on the professional version.
Therapeutic duplication warnings
No duplication 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.
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. |
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Further information
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