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Drugs & Medications A-Z

fosamprenavir Oral

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Posaconazole/Fosamprenavir

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.

Medical warning:

Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.

How the interaction occurs:

Fosamprenavir may decrease how much antifungal medicine your body absorbs.

What might happen:

Your antifungal medicine may not work as well.

What you should do about this interaction:

Make sure your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Your doctor may want to check the amount of antifungal medicine in your blood.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.

References:

1.Bruggemann RJ, van Luin M, Colbers EP, van den Dungen MW, Pharo C, Schouwenberg BJ, Burger DM. Effect of posaconazole on the pharmacokinetics of fosamprenavir and vice versa in healthy volunteers. J Antimicrob Chemother 2010 Oct;65(10):2188-94.
2.Noxafil (posaconazole) US prescribing information. Schering Corporation June, 2012.

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