Viagra, or sildenafil citrate, treats erectile dysfunction (ED) by increasing blood flow to the penis. This allows for firmer erections sufficient for sexual intercourse.
How it works: Viagra inhibits an enzyme called phosphodiesterase-5 (PDE5), leading to increased levels of cyclic GMP. Higher cGMP levels relax the muscles in the penis, facilitating blood flow.
Important Note: Viagra requires sexual stimulation to be effective; it doesn’t cause spontaneous erections.
Who should use it? Men diagnosed with ED by a healthcare professional are the intended users. It’s crucial to discuss your medical history, including heart conditions and medications, with your doctor before taking Viagra.
Potential side effects: Common side effects include headache, flushing, nasal congestion, and visual disturbances. Rarely, more serious side effects can occur. Consult your doctor immediately if you experience chest pain, prolonged erection (priapism), or sudden vision loss.
Dosage and administration: Your doctor will determine the appropriate dose, typically starting with 50mg. Take the pill about an hour before sexual activity, with or without food. Do not exceed the recommended dose.
Drug interactions: Certain medications, particularly nitrates used to treat angina, can interact dangerously with Viagra. Inform your doctor about all medications you are currently taking.
Alternatives: Other ED treatments exist, including Cialis, Levitra, and injections. Your doctor can help you find the best option for your needs.
