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Sildenafil

Brand Name: Viagra®

Sildenafil Information

is a drug used to treat erectile dysfunction (ED), commonly known as impotence, in men.

In one study, ingestion of 250 ml (approximately one cup) of grapefruit juice one hour before and together with sildenafil increased the total amount of sildenafil absorbed by 23%, but tended to delay the absorption of the drug.1 The authors of this study recommended that sildenafil and grapefruit juice not be taken together.

Summary of Interactions with Vitamins, Herbs, and Foods
(for details about the summarized interactions, read the full article)

Avoid Avoid: Adverse interaction—Avoid these supplements when taking this medication because taking them together may cause undesirable or dangerous results.

Grapefruit juice

Depletion or interference

None known

Side effect reduction/prevention

None known

Supportive interaction

None known

Reduced drug absorption/bioavailability

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.



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References: Click here to view references