Long-term safety and effectiveness of sildenafil citrate in

Overall, the most common adverse effects of sildenafil are strongly associated with its pharmacological nature as an inhibitor of PDE5 (headache, nasal congestion, ageing and dyspepsia) and as a weak inhibitor of PDE6 (visual impairment), being dose-dependent and observed in 6тАУ18% of men taking sildenafil [ 53 ]. Adverse effects of sildenafil use in neonates. We must also consider whether the advantages of sildenafil treatment outweigh its side effects in individual patients. The high selectivity of sildenafil makes it more prone to PDE-5 inhibition, but it also inhibits PDE-1, PDE-6, and PDE-11 to a lesser extent. sildenafil adverse effects In studies of Viagra, some side effects were more common with a 100-mg dose than a 50-mg dose. These include headache, indigestion, vision changes, and stuffy nose. But other side effects occurred Common side effects of Sildenafil treatment are usually non-life-threatening. Upper respiratory tract infections were the most frequent of the adverse reactions to the treatment, followed, in order of frequency, by vomiting, headache, bronchitis, pyrexia, pharyngitis, cough, diarrhoea and nasopharyngitis (nasal stuffiness) ( Table 2 ) [ 30 ]. Of the four subjects who received VIAGRA 100 mg in the first part of this study, a severe adverse event related to blood pressure effect was reported in one patient (postural hypotension that began 35 minutes after dosing with VIAGRA with symptoms lasting for 8 hours), and mild adverse events potentially related to blood pressure effects were

Compare Cialis (Tadalafil) and Viagra (Sildenafil) for erectile dysfunction based on their active ingredients, onset of effects, duration of effects, dosage, side effects, and price. Most online services for Viagra offer doses from 20 to 100 mg. Taking higher doses of Viagra won t always mean that it works better, and taking too high a dose can cause unwanted side effects. tadalafil vs viagra Compare Cialis (tadalafil) and Sildenafil for erectile dysfunction and pulmonary hypertension. See ratings, reviews, side effects, drug interactions, pricing and more. REVATIO is used to treat a rare disease called pulmonary arterial hypertension (PAH). VIAGRA should not be used with REVATIO or with other PAH treatments containing sildenafil or any other PDE5 inhibitors (such as Adcirca [tadalafil]) VIAGRA does not protect against sexually transmitted diseases, including HIV.