What are the guidelines for prescribing Viagra?

Sep 4, 2024 ... ... effect standpoint than the other. Some of the more common side effects of sildenafil / Viagra are: Headaches; Nausea; Flushing; Congestion ... Sildenafil had no statistically significant effect on sperm motility, count or density; the percentage of abnormal sperm forms; or the percentage of living ... Jul 1, 2008 ... Scientists say watermelon has ingredients that deliver Viagra-like effects to the body's blood vessels and may even increase libido. Jul 30, 2019 ... The three rivals -- Viagra, Cialis, Levitra and Stendra-- have similar side effects, including headache, facial flushing, nasal congestion ... Mar 31, 2025 ... What is Viagra? Viagra relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Viagra is ... Nov 29, 2022 ... Serious side effects · Allergic reaction · Prolonged erection · Vision loss · Hearing loss · Heart problems · Bleeding · Seizures. Sildenafil (Pfizer Pharmaceuticals, Sandwich, Kent, UK) has been associated with pulmonary vasorelaxation. A more potent Sildenafil analogue (UK 343-664 ... Jun 20, 2019 ... Asked this once (not here) and only got angry people saying that some "females" can have penises so that's why I'm clarifying biological. Apr 16, 2020 ... P02.278 Effects of sildenafil (viagra®) on cardiovascular autonomic function (CAF) in man: Preliminary results - Volume 15 Issue S2. May 17, 2023 ... It tablet is taken by men to address erectile dysfunction. It enhances blood flow to the penis during sexual stimulation to facilitate erections.