Hello Robert G May,
Grapefruit and grapefruit juice interactions with prescribed medications are important to look for, especially if you eat a fair number per week.
These interactions occur because grapefruit contains chemicals that interfere with the way your liver metabolizes (or breaks down) drugs.
Diovan, or valsaartan, has a theoretical interaction with grapefruits. It has been suggested that eating grapefruits can decrease the anti-hypertensive (or, blood pressure lowing) effects of your medication.
I would suggest being moderate in your grapefruit ingestion, but certainly, you can enjoy these great citrus fruits. As always, be sure to follow with your doctor regularly about your blood pressure control!
To your health,
I started drinking Grapefruit cocktail once a day sometimes as little as every other day, just loved the taste of it. I noticed my BP going up and was not sure why, and even taking more diovan than prescribed did not help. I thought maybe it was the juice, so stopped drinking it altoghether and slowly day by day my BP came back down. After a week its back to normal and I am taking my normal dose of diovan.
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