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ISSN: 2641-1644

Open Access Journal of Reproductive System and Sexual Disorders

Short Communication(ISSN: 2641-1644)

Sildenafil Citrate for Women

Volume 1 - Issue 5

Mohamed Nabih EL Gharib*

  • Author Information Open or Close
    • Department of Obstetrics & Gynecology, Tanta University, Egypt

    *Corresponding author: Mohamed Nabih EL-Gharib, Professor of Obstetrics & Gynecology, Faculty of Medicine, Tanta University, Egypt

Received: October 03, 2018;   Published: October 09, 2018

DOI: 10.32474/OAJRSD.2018.01.000124

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Sildenafil citrate (SC) is a medicinal drug used to treat male erectile dysfunction and pulmonary hypertension. Sildenafil is a selective and potent competitive inhibitor of the cyclic guanosine monophosphate (cGMP) -specific phosphodiesterase-type 5 (PDE-5) enzymes, which, by preventing the breakdown of cGMP, potentiate the action of NO in tissues that contain PDE-5. Thus, increasing vasodilatation and potentiating the effects of nitrous oxide (NO) on the vascular smooth muscle [1-2]. SC increases uterine blood flow and potentiates estrogen-induced vasodilatation [3]. Sildenafil citrate is metabolized is in the liver by cytochrome P450, the metabolites are: N-desmethylsildenafil (about 50% potency for PDE5). The biological half-life is from 3 to 4 hours, it is excreted in feces and in urine [4].

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