Need a clear, concise definition of Viagra? It’s a medication, specifically sildenafil citrate, primarily used to treat erectile dysfunction (ED) in men. This oral medication works by increasing blood flow to the penis, facilitating an erection.
Viagra’s mechanism involves inhibiting a specific enzyme, phosphodiesterase-5 (PDE5), responsible for breaking down cyclic GMP. Higher cyclic GMP levels lead to relaxed penile muscles and improved blood flow, thus enabling a firmer erection. It’s crucial to remember that Viagra doesn’t increase libido; it only helps with achieving and maintaining an erection in response to sexual stimulation.
Important Note: Always consult a doctor before using Viagra. Your doctor will assess your health status and determine if Viagra is appropriate and safe for you. They will discuss potential side effects, such as headaches, flushing, nasal congestion, and visual disturbances, and ensure there are no contraindications with other medications you might be taking. Self-medicating can be dangerous, so professional guidance is paramount.
