| Characteristic | Details |
|---|---|
| Active Ingredient | Sildenafil Citrate |
| Available Dosages | 50mg, 100mg |
| Form | Oral tablets |
| Indication | Erectile Dysfunction |
| Onset of Action | 30-60 minutes |
| Duration of Effect | 4-6 hours |
| Visit Viagra Professional Site | |
Pharmacokinetics
Viagra Professional, with its active component Sildenafil Citrate, demands precision in pharmacokinetics. The drug rapidly absorbs into the bloodstream, peaking at around one hour post-administration. Absorption rate is optimal on an empty stomach. When ingested with a high-fat meal, the onset of action slows, delaying therapeutic effects.
The bioavailability of Sildenafil 100mg is approximately 40%. It undergoes hepatic metabolism predominantly via cytochrome P450 enzymes, particularly CYP3A4 and CYP2C9. Its half-life is roughly four hours, allowing for a single daily dosage in most clinical scenarios. These pharmacokinetic traits define its therapeutic regimen, offering consistency in erectile function improvement.
Viagra Professional Use
Viagra Professional is designed for men experiencing erectile dysfunction. The recommended starting dose is 50mg, adjusted based on efficacy and tolerability. Patients can increase to 100mg or reduce to 25mg. Each dose should be taken roughly one hour before sexual activity.
Adherence to dosage guidelines ensures maximum benefit. Avoiding grapefruit juice is crucial, as it can alter sildenafil’s metabolism, enhancing potential side effects. Coordination with healthcare professionals is essential to determine the appropriate dose and avoid adverse reactions.
Viagra Professional Precautions
Implementing Viagra Professional involves precautionary measures. Patients with cardiovascular conditions require careful assessment due to potential risks. The drug may interact with nitrates, leading to significant blood pressure drops. It’s vital to review all medications with a healthcare provider.
Vision changes, such as blurred sight or color tint alterations, warrant immediate medical consultation. Individuals with renal or hepatic impairments should approach sildenafil with caution, as these conditions affect drug clearance rates, necessitating dosage adjustments.
Pregnancy and Breastfeeding
Viagra Professional is contraindicated in women, making its effects during pregnancy and breastfeeding largely irrelevant. However, understanding its pharmacological action in men of reproductive age can indirectly influence partner safety.
Though rare, inadvertent exposure in females warrants monitoring for hypotensive episodes. Health professionals should offer guidance for couples planning conception, though direct fetal impact remains unfounded.
Effects of Viagra Professional
The effects of Viagra Professional manifest as enhanced erectile function. The drug facilitates increased blood flow to the penis, producing a firm erection during sexual stimulation. Onset occurs within an hour, with effects persisting for up to six hours.
Headaches, flushing, and dyspepsia are common side effects. Less frequent reactions include dizziness and nasal congestion. Severe adverse effects are rare but demand prompt medical intervention. Balancing benefits with potential risks optimizes therapeutic outcomes.
Purchasing Viagra Professional Without a Prescription
Acquiring Viagra Professional without a prescription carries risks. Regulatory bodies emphasize the importance of medical oversight. Unauthorized purchases may lead to counterfeit products, posing serious health threats.
Consulting a healthcare provider ensures safe usage. Prescription-based access to sildenafil guarantees legitimate products, aligning with safety standards. Patients should prioritize authentic sources to secure both health and efficacy.
Data source:
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