Shop products for Fosamprenavir 
Fosamprenavir is used in combination with other antiviral drugs to treat HIV infection.
Summary of
Interactions with Vitamins, Herbs, and Foods
In some cases, an herb or supplement may appear in more than one category, which may seem
contradictory. For clarification, read the full article for details about the summarized
interactions.
 Avoid: Reduced drug absorption/bioavailability—Avoid
these supplements when taking this medication since the supplement may decrease the absorption
and/or activity of the medication in the body. |
St. John’s wort |
| Depletion or interference |
None known |
| Side effect reduction/prevention |
None known |
| Supportive interaction |
None known |
| Adverse interaction |
None known |
An asterisk (*) next to an item in the summary indicates that the interaction is supported only by weak, fragmentary, and/or contradictory scientific evidence.
Interactions with Herbs
St. John’s wort (Hypericum perforatum)
Taking St. John’s wort when taking fosamprenavir might result in reduced blood levels of
the drug, which could lead to reduced effectiveness and eventual resistance. Individuals
taking fosamprenavir should avoid taking St. John’s wort at the same time.
