Viagra can cause your blood pressure to drop suddenly to an unsafe level if it is taken with certain other medicines. Do not take Viagra if you take any other medicines called "nitrates." Nitrates are used to treat chest pain (angina). A sudden drop in blood pressure can cause you to feel dizzy, faint, or have a heart attack or stroke. how to use cialis for best results systems gave way to digital ones, turning IT from a manufacturing
Drug ClassViagra (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
Accepted for Publication: January 23, 2014.medicina antifúngica como ketoconazole o itraconazole; do i need a prescription for viagra Patent use: ERECTILE DYSFUNCTION ED & BPH
Tadalafil and vardenafil are only available to those patients who have one of the specified medical conditions listed below. Other men can receive a private prescription from their own GP.These are not all the possible side effects of Cialis. For more information, ask your healthcare provider or pharmacist. 20 mg cialis Elderly
The safety and efficacy of combinations of Viagra with other PDE5 Inhibitors, including REVATIO or other pulmonary arterial hypertension (PAH) treatments containing sildenafil, or other treatments for erectile dysfunction have not been studied. Such combinations may further lower blood pressure. Therefore, the use of such combinations is not recommended.
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These are not all the side effects of Levitra. For more information, ask your doctor or pharmacist.Efectos secundarios comunes pueden incluir:
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