Sildenafil (Viagra)
Comprehensive information about sildenafil, the active ingredient in Viagra, including dosage, side effects, and safety information.
What is Sildenafil?
Sildenafil is the active ingredient in Viagra, one of the most well-known medications for treating erectile dysfunction (ED). It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors.
How Sildenafil Works
Sildenafil works by increasing blood flow to the penis to help achieve and maintain an erection. It does this by relaxing the blood vessels in the penis, allowing more blood to flow during sexual stimulation.
Dosage and Administration
The typical starting dose of sildenafil is 50mg, taken about 1 hour before sexual activity. The dose may be adjusted based on effectiveness and tolerance, with a maximum recommended dose of 100mg.
Side Effects
Common side effects of sildenafil include headache, flushing, upset stomach, abnormal vision, stuffy or runny nose, muscle pain, back pain, nausea, dizziness, and rash.
Medical Disclaimer
This content is for informational purposes only and should not be considered medical advice. Always consult with a qualified healthcare provider before taking any medication. Sildenafil should only be used under medical supervision.