Review about Viagra: side effects, efficacy and dosage

Viagra is a common drug used to treat prostate disorders or to treat erectile dysfunction. It is widely thought to be very effective in treating these disorders and has been proven to be so in clinical trials and studies. In these trials, men taking the drug were used as the experimental group and men taking a placebo were used as the control group. The men taking the placebo were not told they were taking one in order to ensure accurate results. The results which were pooled from five flexible-dose studies showed that the men taking Viagra showed a significant increase in the ability to penetrate as well as erection maintenance in comparison to the placebo group. It was noted that those taking Viagra saw a 90% increase from the baseline in ability to penetrate when compared to those who were not taking the drug. This translates to the men taking the drug were able to have successful penetration most times, while men taking the placebo only had successful penetration a few times. Furthermore, the ability to maintain an erection was improved in the men taking Viagra versus the men taking the placebo. In this study, men saw a 122% increase from the baseline in the ability to maintain an erection, while taking Viagra. Further clinical studies show that men taking the pill maintain sufficient hardness to engage in sexual intercourse. When the dosage is increased from 50 mg to 100 mg, patients saw an increase from 80% to 85% in the ability to maintain sufficient hardness.

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It is important to note that Viagra should not be taken if patients are currently taking any drugs containing nitrates, Concomitant Guanylate Cyclase (GC) Stimulators, or who have Hypersensitivity Reactions. These drugs and conditions have been known to create adverse effects in patients taking Viagra.

Side effects

Before taking this drug, patients should speak with their healthcare providers to make sure that they understand all side effects. These can include: cardiovascular side effects, prolonged erections, effects on the eyes, and hearing loss. Patients should ensure their heart health is good enough for use of the drug. Patients who experience an erection which is painful or lasts 4 or more hours should seek immediate medical assistance and if sudden hearing or vision loss occurs patients should stop taking the drug and seek immediate medical attention. Viagra can also interact with certain drugs such as CYP3A4 inhibitors which include: ritonavir, ketoconazole, itraconazole, and erythromycin. Furthermore, Viagra will not protect against sexually transmitted disease and protection should always be used during all sexual activity. Some less serious, but common adverse reactions patients experienced when using the drug included: headaches, flushing, dyspepsia, abnormal vision, nasal congestion, back pain, myalgia, nausea, dizziness, and rashes.

Dosage

There are different doses of the pill which can be taken, and these include 25 mg, 50 mg, or 100 mg. 50 mg is the most common dose prescribed and should be taken no more than once a day. It begins working within 30 to 60 minutes and lasts for up to four hours.

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