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Like any medication, side effects of Viagra may come with its many benefits. Still, Viagra is safe when used as directed. Viagra may cause common side effects, including:
Protease inhibitors inhibit the metabolism of sildenafil, effectively multiplying the plasma levels of sildenafil, increasing the incidence and severity of side effects. Those using protease inhibitors are recommended to limit their use of sildenafil to no more than one 25 mg dose every 48 hours. [4]
Some of the most common side effects of ED meds include headaches, dizziness, upset stomach, back pain and nasal congestion. A healthcare provider can help you determine which ED medication and ...
For most men, sildenafil is a safe and effective treatment for ED when used as prescribed. However, like all drugs, it comes with its own set of potential side effects and interactions.
Chemical structure of sildenafil (Viagra), the prototypical PDE5 inhibitor. A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a vasodilating drug that works by blocking the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying various tissues.
Viagra side effects may affect your ability to perform, though most are mild and temporary. All (ED) medications work best when you’re maintaining a healthy lifestyle. That’s the 30-thousand ...
Sildenafil did not prove effective for coronary heart disease but an interesting side effect was discovered, a penile erection. That side effect soon became the main field of investigation. [23] The inhibitor is highly selective for the PDE5 family. [22] Sildenafil is a prototype of PDE5 inhibitors that Pfizer launched as Viagra.
Headaches are a common side effect of ED medications such as sildenafil (the active ingredient in Viagra), tadalafil (Cialis) and vardenafil (Levitra), with about 25 percent of men prescribed ...