When doctors need information about what does of medication to prescribe, they usually consult a fat navy-blue book called The Physicians’ Desk Reference, or PDR, an extensive compilation of data about drugs form their manufacturers. But the doses recommended in the PDR may be too high for many people and may cause adverse reactions, ranging from dizziness trod nausea all the way to death, according to an article published last month in the journal {{I}}Postgraduate Medicine{{/I}}.
For many drugs—including Viagra, Prozac and some medicines used to treat high blood pressure, allergies, insomnia and high cholesterol—smaller doses would work just as well, With far less risk of bad reactions, said Jay Cohen, the author of the article.
"Side effects drive a lot of people out of treatment that they need," Dr. Cohen said, nothing that people with chronic conditions like high blood pressure, headaches and depression often gave up trying to trea
A. He found out the mistakes of PDR.
B. He lowered the drug doses in treating patients.
C. He used different doses according to individuals.
D. He suggested medical schools teach the importance of lowering doses.
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