Chemical Structure of Sildenafil

Sildenafil citrate, the core of Viagra Professional 100 mg, belongs to the class of phosphodiesterase type 5 (PDE5) inhibitors. Its chemical formula is C22H30N6O4S. The molecular structure consists of a complex ring system that enables selective PDE5 inhibition. This structure ensures potent activity and efficacy. It is designed to enhance blood flow in the penile tissues, facilitating erections.

The molecular mass of sildenafil citrate is 666.7 g/mol. The compound’s solubility in water is moderate, allowing it to be efficiently absorbed in the gastrointestinal tract. The structural attributes are crucial for its bioavailability and pharmacokinetics. Sildenafil’s unique composition differentiates it from other PDE5 inhibitors, ensuring reliable results.

Therapeutic Applications

Viagra Professional targets erectile dysfunction (ED). By inhibiting PDE5, it amplifies the effects of nitric oxide, enhancing cGMP levels. This process promotes vasodilation and improved blood flow, which are essential for sustaining an erection. Apart from ED, sildenafil is investigated for pulmonary arterial hypertension (PAH) due to its vasodilatory effects on pulmonary arteries.

Off-label uses are also prevalent. Some studies explore its potential in treating Raynaud’s phenomenon and altitude sickness. However, such applications require further clinical validation. Despite these prospects, ED remains the primary therapeutic indication.

FDA-Approved Indications

Viagra Professional 100 mg received FDA approval specifically for erectile dysfunction. The approval underscores its efficacy and safety profile established through rigorous clinical trials. The standardized dosing ensures consistency in therapeutic outcomes.

Regulatory agencies closely monitor its manufacturing, ensuring compliance with stringent quality standards. The approval also mandates clear labeling, encompassing contraindications and adverse effects. Physicians adhere to these guidelines to optimize patient outcomes.

Pregnancy and Breastfeeding Considerations

Viagra Professional 100 mg is contraindicated in pregnant and breastfeeding women. The safety profile in these populations is not established, as sildenafil is primarily indicated for male use. Transfer of the drug via breast milk is not documented, but caution is advised.

Women with pulmonary hypertension may receive sildenafil under strict medical supervision. Physicians weigh potential benefits against risks before prescribing. In reproductive-age women, alternative treatments are preferred to avoid potential fetal risks.

Symptoms of Overdose

An overdose of Viagra Professional may lead to severe adverse reactions. Common symptoms include nausea, dizziness, and chest pain. In some cases, an overdose results in priapism, a prolonged and painful erection that requires immediate medical intervention.

Medical professionals manage overdose by symptomatic treatment. Supportive care and monitoring are critical until the drug’s effects subside. Preventative measures involve adhering to prescribed dosages and understanding contraindications.

Online Availability

Acquiring Viagra Professional without a prescription is legally restricted. However, it is available through licensed online pharmacies with prescription verification. Patients must ensure authenticity and regulatory compliance when purchasing.

Licensed platforms offer discreet consultations and secure delivery. These services streamline access while upholding legal and safety standards. Consumers are advised to avoid unverified sources to ensure product integrity and avoid counterfeit risks.

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