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Clinical trials and subsequent clinical experience have demonstrated the efficacy of Viagra in treating erectile dysfunction. The medication is typically taken on an as-needed basis, about 30 minutes to an hour before sexual activity, and its effects can last for up to four hours. Studies have shown that order sildenafil online improves erectile function in a significant proportion of men with ED, across various age groups and etiologies. The most common adverse effects include headaches, flushing, indigestion, nasal congestion, and dizziness.
These side effects are generally mild to moderate and transient. Despite its success, Viagra is not without side effects. However, Viagra is contraindicated in certain groups of patients, particularly those taking nitrates for chest pain, as the combination can lead to a dangerous drop in blood pressure. Since its accidental discovery and subsequent release by Pfizer in 1998, Viagra has become one of the most well-known and frequently prescribed drugs in the world for enhancing sexual function.
Viagra, chemically known as sildenafil citrate, is a medication primarily used to treat erectile dysfunction (ED) in men. However, it does not cause erections without sexual stimulation and is not an aphrodisiac or a hormone. The effectiveness of Viagra in treating ED is well-documented, with numerous studies indicating that it helps achieve and maintain an erection in approximately 70% of users. It is generally taken in a dosage of 25 to 100 mg, about one hour before sexual activity, and its effects can last up to four hours.
Viagra has also been studied for other potential uses, such as the treatment of pulmonary arterial hypertension under the name Revatio. Additionally, research continues into its possible therapeutic roles in other conditions, demonstrating the versatility and potential of this molecule beyond its initial scope. The prevalence of ED increases with age and can be influenced by a variety of factors including psychological issues, health conditions like diabetes and heart disease, and certain medications.
Erectile dysfunction is a condition where a man is unable to achieve or maintain an erection adequate for satisfactory sexual performance. It has helped break down the stigma associated with ED, bringing more openness to discussions about sexual health among men. However, it has also faced criticism and concern over recreational use, especially among younger populations who may not have ED. Societally and culturally, Viagra has had significant impacts since its introduction.
The use of Viagra is contraindicated in patients taking nitrates (often prescribed for chest pain), as the combination can cause a dangerous decrease in blood pressure. These side effects are generally mild and temporary but can be severe in rare cases. Other side effects may include headaches, flushing, indigestion, nasal congestion, dizziness, and visual disturbances. By blocking PDE5, penis enlargement pills review Viagra enhances the effects of NO by prolonging the duration and effect of cGMP, thus improving the ability to achieve and maintain an erection in the presence of sexual stimulation.
Viagra works by inhibiting an enzyme known as phosphodiesterase type 5 (PDE5), which is responsible for the breakdown of cGMP in the corpus cavernosum. Sildenafil, under the brand name Revatio, is approved for the treatment of PAH, where it works by relaxing blood vessels in the lungs to allow blood to flow more easily.
These side effects are generally mild to moderate and transient. Despite its success, Viagra is not without side effects. However, Viagra is contraindicated in certain groups of patients, particularly those taking nitrates for chest pain, as the combination can lead to a dangerous drop in blood pressure. Since its accidental discovery and subsequent release by Pfizer in 1998, Viagra has become one of the most well-known and frequently prescribed drugs in the world for enhancing sexual function.
Viagra, chemically known as sildenafil citrate, is a medication primarily used to treat erectile dysfunction (ED) in men. However, it does not cause erections without sexual stimulation and is not an aphrodisiac or a hormone. The effectiveness of Viagra in treating ED is well-documented, with numerous studies indicating that it helps achieve and maintain an erection in approximately 70% of users. It is generally taken in a dosage of 25 to 100 mg, about one hour before sexual activity, and its effects can last up to four hours.
Viagra has also been studied for other potential uses, such as the treatment of pulmonary arterial hypertension under the name Revatio. Additionally, research continues into its possible therapeutic roles in other conditions, demonstrating the versatility and potential of this molecule beyond its initial scope. The prevalence of ED increases with age and can be influenced by a variety of factors including psychological issues, health conditions like diabetes and heart disease, and certain medications.
Erectile dysfunction is a condition where a man is unable to achieve or maintain an erection adequate for satisfactory sexual performance. It has helped break down the stigma associated with ED, bringing more openness to discussions about sexual health among men. However, it has also faced criticism and concern over recreational use, especially among younger populations who may not have ED. Societally and culturally, Viagra has had significant impacts since its introduction.
The use of Viagra is contraindicated in patients taking nitrates (often prescribed for chest pain), as the combination can cause a dangerous decrease in blood pressure. These side effects are generally mild and temporary but can be severe in rare cases. Other side effects may include headaches, flushing, indigestion, nasal congestion, dizziness, and visual disturbances. By blocking PDE5, penis enlargement pills review Viagra enhances the effects of NO by prolonging the duration and effect of cGMP, thus improving the ability to achieve and maintain an erection in the presence of sexual stimulation.
Viagra works by inhibiting an enzyme known as phosphodiesterase type 5 (PDE5), which is responsible for the breakdown of cGMP in the corpus cavernosum. Sildenafil, under the brand name Revatio, is approved for the treatment of PAH, where it works by relaxing blood vessels in the lungs to allow blood to flow more easily.
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