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Urology (Expert Forum)
Frequency of Viagra Use
Questions in the Urology forum are answered by Dr. Stephen Liroff, affiliated with the Henry Ford Hospital. Topics covered include benign prostate disease, penis curvature, cystisis, kidney stones, pediatric urology, prostate, sexual dysfunction, urinary tract infections (UTI), and urological cancers.
Frequency of Viagra Use
by Pete__0, May 05, 1998 12:00AM
Pfizer's labelling for Viagra specifies no more than once daily usage, with a maximum daily dose of 100mg. If a patient is using the 25 or 50mg tablets, one would have thought that if one tablet does not elicit the desired response after an hour or so, than another one may be taken, as long as the total dose does not exceed 100mg.
Is this correct? Or is there a specific reason for Pfizer to specify "once daily", other than their clinical studies were limited to this type of dosing?
Thanks for the assistance.
Cheers,
Pete, Pharm.D.
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Dear Pete,
From my discussions with Pfizer, the doses and frequency of administration recommended were based on the studied doses. That one can dose additionally during the same sexual episode is unknown to the company.
Incidentally the lead article in the latest “New England Journal” is supposed to have a tremendous amount of information about this drug.
This information is provided for general medical information purposes only. Please consult your physician for diagnostic and treatment options pertaining to your specific medical condition. More individualized care is available through our department at the Henry Ford Hospital and its suburban locations (I-800-653-6568).
HFHS M.D.-SAL
*Keyword: Sexual Dysfunction, Impotence
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