What is Sildenafil Citrate?
Sildenafil Citrate, commonly known by its brand names Viagra and Revatio, is a widely used medication to treat erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). It works by enhancing blood flow to specific areas of the body, offering relief from these conditions.
Uses of Sildenafil Citrate
1. Erectile Dysfunction (ED)
Sildenafil is primarily prescribed for men facing difficulties in achieving or maintaining an erection. It increases blood flow to the penile region when sexually stimulated, helping improve sexual performance.
2. Pulmonary Arterial Hypertension (PAH)
In cases of PAH, Sildenafil relaxes the blood vessels in the lungs, reducing blood pressure and strain on the heart. This helps patients breathe more easily and improves their quality of life.
How Does Sildenafil Citrate Work?
Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor. It works by relaxing the blood vessels and enhancing blood flow. For ED, it allows the penis to fill with blood during sexual arousal. For PAH, it decreases blood pressure in the lungs.
Available Dosage Forms
- Oral Tablets: 20 mg, 25 mg, 50 mg, 100 mg
- Powder for Oral Suspension: 10 mg/mL
- Injectable Form: Administered by healthcare professionals
How to Use Sildenafil
Follow your healthcare provider’s instructions when using Sildenafil. For ED, take one tablet 30 minutes to 1 hour before planned sexual activity. Do not exceed one dose per day. For PAH, doses are typically taken three times daily at regular intervals.
Possible Side Effects
While Sildenafil is generally well-tolerated, some users may experience:
- Headache
- Flushing
- Upset stomach
- Vision changes (e.g., sensitivity to light, blurred vision)
- Dizziness or nasal congestion
If you experience prolonged erections, sudden vision loss, or severe allergic reactions, seek immediate medical attention.
Precautions and Interactions
Before taking Sildenafil, inform your doctor about:
- Heart conditions or recent surgeries
- High or low blood pressure
- Kidney or liver problems
- Other medications, especially nitrates, blood pressure drugs, or PDE5 inhibitors
Avoid high-fat meals and grapefruit juice, as they may delay the effects of Sildenafil.
Storage Instructions
Store Sildenafil tablets at room temperature (20°C to 25°C) in a dry place. For oral liquid, refrigerate below 30°C and discard any unused portion after 60 days.
Conclusion
Sildenafil Citrate is a trusted solution for managing erectile dysfunction and pulmonary arterial hypertension. Always consult your healthcare provider to determine the right dosage and ensure it’s safe for you.