Viagra 25mg is an oral prescription medication used to treat erectile dysfunction (ED) in adult men. It contains sildenafil citrate, a phosphodiesterase type 5 (PDE5) inhibitor that improves blood flow to the penis during sexual stimulation.
Viagra is a prescription medication and should be used under medical supervision.
Medical Uses
Viagra (sildenafil) is prescribed for:
- Erectile dysfunction (ED)
- Sometimes for pulmonary arterial hypertension (in different dosing forms/brands)
Potential Benefits
When used appropriately and with sexual stimulation, sildenafil may:
- Improve ability to achieve and maintain an erection
- Enhance penile blood flow
- Support improved sexual performance in men with ED
- Help restore confidence in sexual activity for patients with erectile dysfunction
How It Works
Sildenafil works by:
- Inhibiting the enzyme PDE5
- Increasing levels of cGMP
- Relaxing smooth muscle in blood vessels of the penis
- Allowing increased blood flow during sexual arousal




















































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