Viagra's drug description and administration
Viagra's main use is for treating erectile dysfunction (e.g male impotence). It works by helping the blood flow into the male reproductive organ to achieve and maintain an erection during sexual stimulation. Sildenafil's (generic name for viagra) popularity with young users has also increased over the years. It is widely recognized in popular culture, and the drug's association with treating erectile dysfunction has led to its recreational use. Reasons behind such use include the belief that Viagra increases the energy for sexual drive, improves sexual performance, or permanently increases the male reproductive organ in size. For most patients, the recommended dose is 50mg taken, as needed, and approximately has to be taken 30 minutes to 1 hour before sexual activity. However, VIAGRA can be taken anywhere from 4 hours to 0.5 hours before sexual activity. Based on effectiveness and toleration, the dose may be increased to a maximum recommended dose of 100 mg or decreased to 25 mg. The maximum recommended dosing frequency is once per day. viagra is to be used as necessary, so you are not supposed to take it according to a schedule.
The following factors are associated with increased plasma levels of sildenafil: age > 65, hepatic impairment severe renal impairment, and concomitant use of potent cytochrome P450 3A4 inhibito. Since higher plasma levels may increase both the efficacy and incidence of adverse events, a starting dose of 25 mg should be considered in these patients.
Ritonavir greatly increased the systematic level of sildenafil citrate in a study of healthy, non-HIV infected volunteers. Based on these pharmacokinetic data, it is recommended not to exceed a maximum single dose of 25 mg of VIAGRA in a 48-hour period.
VIAGRA was shown to potentiate the hypotensive effects of nitrates and its administration in patients who use nitric oxide donors or nitrates in any form is therefore contraindicated.
When VIAGRA is co-administered with an alpha-blocker, patients should be stable on alpha- blocker therapy prior to initiating VIAGRA treatment and VIAGRA should be initiated at the lowest dose
There are certain instructions to follow when people buy viagra. Viagra is to be kept in its original container. It is to be stored at room temperatire between 59 and 86 degrees F (15 � 30 degrees) away from moisture, heat and light and out of the reach of children.
Viagra is classified as a phosphodiesterase type 5 inhibitor and is approved for treatment of Pulmonary Arterial Hypertension but is more popular to work by helping blood flow into the male reproductive organ to achieve and maintain an erection during sexual stimulation.
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