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Urology (Expert Forum)
Do certain drugs impair Viagra
Answered by
Kevin Pho, MD - Internal Medicine
KevinMD.com
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.
Doctor's Answer
by Kevin Pho, MD, Jun 09, 2003 12:00AM
, Jun 09, 2003 12:00AM
Hello - thanks for asking your question.
Here is the list of drug interations with Viagra from the Drug Information Handbook:
"Increased effect/toxicity: Cimetidine, erythromycin, ketoconazole, itraconazole, mibefradil, nitroglycerin, protease inhibitors. A reduction in sildenafil's dose is recommended when used with amprenavir, indinavir, or ritonavir (protease inhibitors); no more than 25 mg per dose, no more than 25 mg in 48 hours.
Decreased effect: Rifampin"
There may be no direct interaction with the Viagra, however there are some blood pressure medications that decrease sexual function independent of Viagra (i.e. Toprol XL). You may want to review your medications with your personal physician.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Thanks,
Kevin, M.D.
Here is the list of drug interations with Viagra from the Drug Information Handbook:
"Increased effect/toxicity: Cimetidine, erythromycin, ketoconazole, itraconazole, mibefradil, nitroglycerin, protease inhibitors. A reduction in sildenafil's dose is recommended when used with amprenavir, indinavir, or ritonavir (protease inhibitors); no more than 25 mg per dose, no more than 25 mg in 48 hours.
Decreased effect: Rifampin"
There may be no direct interaction with the Viagra, however there are some blood pressure medications that decrease sexual function independent of Viagra (i.e. Toprol XL). You may want to review your medications with your personal physician.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Thanks,
Kevin, M.D.
