This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Severe. These medicines may interact and cause very harmful effects and are usually not taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Boceprevir may slow down how quickly your liver processes doxazosin.
What might happen:
The amount of doxazosin in your blood may increase and cause low blood pressure.
What you should do about this interaction:
Let your healthcare professionals (e.g. doctor or pharmacist) know right away that you are taking these medicines together. Let your doctor know if you experience dizziness, fatigue, or an erection that lasts for more than 4 hours.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
1.Victrelis (boceprevir) US prescribing information. Schering Corporation January, 2017..