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Oct 28, 2020 ... Sildenafil exacerbates fetal growth restriction. “We found that far from having a positive effect, giving sildenafil impaired this mechanism, ... It is in the phosphodiesterase-5 inhibitor (PDE5-I) class of medications. This activity describes the indications, actions, adverse effects, and ... Jan 10, 2003 ... Abstract. This study evaluates the effect of sildenafil on choroidal vascular congestion and its correlation with visual effects. Viagra (Sildenafil) has ... Kloner, R.A.. Cardiovascular effects of the 3 phosphodiesterase-5 inhibitors approved for the treatment of erectile dysfunction. Viagra acts as a relatively specific vasodilator of the penile circulation that enhances prolonged muscle relaxation/vasodilation by inhibiting the action of ... Apr 7, 2022 ... Side effects of mixing Viagra and alcohol may include: Priapism, or a painful, long-term erection; Sudden hearing loss; Sudden vision loss ... Jan 23, 2023 ... While sildenafil is an FDA-approved medication in humans, there are different dosages and side effects that can occur in humans as well as ... Nov 3, 2003 ... A variety of drugs have been demonstrated to impact on erections, but to date the drug that has had the most publicity and popularity is ... VIAGRA may be taken with or without food. 2.3. Dosage Adjustments in Specific Situations. VIAGRA was shown to potentiate the hypotensive effects of nitrates and ... Sep 20, 2018 ... The most common side effects for Viagra are: Heart attack, stroke, irregular heartbeat and death have happened rarely in men taking Viagra.