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Viprogra is known for its active ingredient, sildenafil citrate. This compound is crucial for its therapeutic efficacy. Structurally, sildenafil is a pyrazolopyrimidinone derivative. It belongs to the phosphodiesterase type 5 (PDE5) inhibitor class. The molecular formula for sildenafil is C22H30N6O4S. Its molecular weight stands at 474.58 g/mol.
The molecule features a sulfonyl group, enhancing its binding affinity. This group plays a key role in targeting PDE5 enzymes. The benzene ring contributes to its hydrophobic character. This property aids in penetrating cell membranes, increasing bioavailability. Understanding its chemical composition is vital for determining its pharmacokinetics and pharmacodynamics.
Viprogra 100 mg tablets are designed for oral administration. They are best taken with water. Avoid high-fat meals; they can delay absorption. The standard dosage is one tablet per day. Consumption should be about 30 to 60 minutes before sexual activity. It allows time for the medication to become effective.
Patients should follow physician guidance for dosage adjustments. Modifications may be necessary based on tolerability and efficacy. Overconsumption increases risk of adverse effects. Consistency in usage enhances therapeutic outcomes.
Viprogra is prescribed for erectile dysfunction (ED). It facilitates increased blood flow to the penis. This results in an improved erectile response. The drug's mechanism involves inhibition of PDE5 enzymes. This inhibition preserves cGMP levels, aiding in erection sustainability.
Physicians may recommend it for pulmonary arterial hypertension (PAH). Viprogra 100 mg helps in lowering pulmonary blood pressure. It's an effective choice in certain clinical scenarios. Patients should have a confirmed diagnosis prior to initiation.
Viprogra 100 mg should be used with care. Patients with cardiovascular conditions require close monitoring. The medication can exacerbate pre-existing cardiac issues. A thorough medical assessment is necessary before prescription.
It is contraindicated with nitrates and some antihypertensives. The combination can lead to a dangerous drop in blood pressure. Alcohol can also increase the risk of side effects. It should be consumed in moderation when using Viprogra.
Common side effects of Viprogra 100 mg include headaches, flushing, and dizziness. Gastrointestinal disturbances like nausea may occur. Visual disturbances have also been reported. These effects are generally transient.
More severe reactions require immediate medical attention. Priapism, an erection lasting more than four hours, is a medical emergency. Sudden loss of vision or hearing necessitates urgent care. Patients must report any adverse reactions to their healthcare provider.
Viprogra is not available over-the-counter. A prescription is necessary for legal purchase. This ensures medical oversight and patient safety. Online vendors claiming otherwise should be approached with caution.
Consultation with a healthcare professional is recommended before use. This process ensures appropriate evaluation and diagnosis. It mitigates the risks associated with unsupervised consumption. Safety and efficacy are best achieved under medical guidance.
| Active Ingredient | Chemical Class | Molecular Formula |
|---|---|---|
| Sildenafil Citrate | PDE5 Inhibitor | C22H30N6O4S |
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