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Grapefruit Juice Saves Money On Medicine

Q. I noticed your comment on grapefruit juice raising blood levels of some medications. This is true, but as a medical doctor I purposely use it to increase absorption of an expensive drug.
A. Grapefruit does not actually improve absorption of medications. It does, however, interfere with the breakdown (metabolism) of dozens of drugs. In effect, that raises blood levels and increases the impact the drug has on the body.
Your strategy does require careful monitoring. The grapefruit effect is highly variable. Some people are very susceptible to it while others are resistant. That makes it hard to predict how any individual patient will respond.
Q. My mother has been taking thyroid hormone for 35 years and prefers Armour to Synthroid. Lately I’ve had a hard time convincing her doctors to prescribe Armour instead of the Synthroid.
They claim there is no difference. If not, and it makes my mother feel better, why not go with her preference?
Are there any clinical differences between the two? I’d like some evidence in case simple preference isn’t a sufficient argument.
A. Actually, there are some differences between dessicated thyroid gland (Armour) and synthetic levothyroxine (Synthroid). Many doctors prefer to prescribe the synthetic because it is easier to control the dose. Most patients do well on a synthetic formulation, whether Synthroid, Levothroid or Levoxyl, although subtle differences between them make it unwise to shift back and forth frequently.
Other people tell us that they feel better on Armour thyroid. It contains small amounts of T3 hormone as well as T4 (levothyroxine), so it is possible some of these individuals aren’t good at converting T4 to T3, which is the active form.
We are sending you our Guide to Thyroid Hormones, for an in-depth discussion of this issue and guidance on interpreting thyroid tests. Anyone who would like a copy, please send $3 in check or money order with a long (no. 10) stamped (60 cents), self-addressed envelope: Graedons’ People’s Pharmacy, No. T-4, P. O. Box 52027, Durham, NC 27717-2027.
Q. Is there a remedy or solution to get rid of unwanted facial hair? Waxing is painful and expensive. Over-the-counter creams are not really the answer either.
A. Your dermatologist can prescribe a cream, called Vaniqa, to slow the growth of unwanted facial hair. It too is expensive, however, at $45 or $50 for a tube weighing just over an ounce.
Q. Because his immune system was weakened by chemo treatments, my husband suffered a severe bout of herpes zoster (shingles) that left him with an unbearable itchy spot on his nose. Expensive antiviral creams and steroids did nothing to ease his misery.
When we read your article about Noxzema for itchy skin, we felt we had nothing to lose by trying it. Guess what? It works!
A. We are always pleased to learn that a simple inexpensive product works for such a hard-to-treat problem. We suspect that the aromatic oils, camphor, menthol and eucalyptol, are responsible for the relief.
Q. One of your readers was troubled with diarrhea. After gallbladder surgery, I had the same problem. My doctor prescribed Questran, saying the bile acid caused it. It works great.
A. Questran (cholestyramine) lowers cholesterol by binding to bile acids. Along with relieving your diarrhea, it keeps blood lipids under control.

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About the Author
Joe Graedon is a pharmacologist who has dedicated his career to making drug information understandable to consumers. His best-selling book, The People’s Pharmacy, was published in 1976 and led to a syndicated newspaper column, syndicated public radio show and web site. In 2006, Long Island University awarded him an honorary doctorate as “one of the country's leading drug experts for the consumer.”.
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