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Viagra (sildenafil) and the other drugs for erectile dysfunction,Levitra (vardenafil) and Cialis (tadalafil), work by inhibiting the chemical phosphodiesterase, which leads to an increase in the effect of nitric oxide. Nitric oxide allows the smooth muscles inside the penis to relax, promoting more blood flow to the area during sexual arousal or stimulation. Through this action, the drugs work to fix a functional problem. The use of Viagra-like drugs in women is not so straightforward and a similar treatment does not exist for women. Viagra may help women who report having difficulties with lubrication because the increase in blood flow to the female genitals would subsequently increase lubrication. However, this use is not approved by the U.S. Food and Drug Administration. In addition, in most cases the problem for women is not with physical arousal but rather a lack of sexual desire. Scientists are looking at other drugs in women with sexual dysfunction who either say they're uninterested in sex or that sex provides little pleasure. For more information, please consult with your health care provider. Michelle McDermott, PharmD Shape ROUND Size 6mmhave severe liver problems

Things you must not do Sildenafil Citrate affects the response to sexual stimulation. It acts by enhancing smooth muscle relaxation using nitric oxide, a chemical that is normally released in response to sexual stimulation. This smooth muscle relaxation allows increased blood flow into certain areas of the penis, which leads to an erection. cheap viagra 100mg a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia;A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. indigestion

Levitra is not indicated for use in women. It is not known if vardenafil is excreted in human breast milk. cialis professional online

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