What are the potential consequences of obtaining Viagra from unregulated sources?

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. Since there is evidence that paradoxical sleep deprivation (PSD) elicits penile erection (PE) and ejaculation (EJ), and that the erectile. The most common side effects are headaches, feeling sick, indigestion and dizziness. Many people have no side effects or only mild ones. It can be dangerous to ... Nov 28, 2019 ... Viagra can cause changes in blood pressure for some men, and both high and low blood pressure are listed as uncommon side effects of taking Viagra. Oct 28, 2020 ... Sildenafil exacerbates fetal growth restriction. “We found that far from having a positive effect, giving sildenafil impaired this mechanism, ... Viagra side effects · sensitivity to light · muscle aches · heartburn · nose bleeding · flushed skin · problems falling asleep · tingling in the arms, feet, ... Jun 25, 2020 ... But the side effects of sildenafil citrate, even with a prescription, can be intense. Think headaches, upset stomach, blue-tinted vision ... Jul 30, 2019 ... The three rivals -- Viagra, Cialis, Levitra and Stendra-- have similar side effects, including headache, facial flushing, nasal congestion ... Dec 17, 2024 ... Meth and Viagra are often mixed to enhance sexual pleasure. Meth can cause erectile dysfunction and many other side effects. The risks of ... Nov 29, 2022 ... Serious side effects · Allergic reaction · Prolonged erection · Vision loss · Hearing loss · Heart problems · Bleeding · Seizures.