| Feature | Details |
|---|---|
| Name | Viagra Extra Dosage |
| Active Ingredient | Sildenafil |
| Available Dosages | 100 mg, 150 mg |
| Administration Route | Oral |
| Primary Use | Erectile Dysfunction |
| Learn More | |
Chemical Structure
The chemical composition of Viagra Extra Dosage is based on the compound Sildenafil Citrate. This potent pharmaceutical agent belongs to the class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. The molecular structure of Sildenafil is characterized by a complex framework that facilitates its biological function. It has a molecular formula of C22H30N6O4S, presenting a sophisticated configuration of carbon, hydrogen, nitrogen, oxygen, and sulfur atoms.
The compound exhibits stereochemistry that is crucial for its interaction with biological targets. Sildenafil’s arrangement allows it to engage with its intended receptor sites with precision, leading to its effectiveness in clinical settings. The crystalline form of this molecule has been optimized to enhance its pharmacokinetic and pharmacodynamic profiles, thus ensuring its high bioavailability and potency.
Mechanism of Action
Sildenafil 100 mg functions by targeting the phosphodiesterase type 5 enzyme. Inhibition of PDE5 results in an increase of cyclic guanosine monophosphate (cGMP) levels. Elevated cGMP levels lead to smooth muscle relaxation in the corpus cavernosum, facilitating increased blood flow. This mechanism is critical in managing erectile dysfunction.
The therapeutic action of this medication initiates following sexual stimulation, where nitric oxide is released in the corpus cavernosum. Sildenafil enhances this physiological process by prolonging the cGMP effect. The drug does not induce erections in the absence of sexual stimuli, maintaining a natural response mechanism in patients.
Viagra Extra Dosage Precautions
Prior to initiating Sildenafil 100 mg therapy, medical evaluation is imperative. Cardiovascular health should be assessed due to the drug’s hemodynamic effects. Patients with severe cardiovascular conditions should approach treatment cautiously. Those with renal or hepatic impairment may require dose adjustments.
Combining Viagra Extra Dosage with nitrate medication or nitric oxide donors can lead to severe hypotension. Patients should avoid alcohol and grapefruit products to prevent interaction-induced side effects. Monitoring for priapism is advised, as prolonged erections could necessitate immediate medical intervention.
Pregnancy and Breastfeeding
The effects of Sildenafil on pregnant or breastfeeding individuals remain insufficiently characterized. It is generally contraindicated for these populations unless the potential benefits justify the risks involved. Clinical trials have not extensively evaluated its safety during pregnancy or lactation.
Healthcare providers should carefully consider the drug’s necessity in these cases. Alternative treatments should be prioritized to avoid potential adverse outcomes. Consultation with a healthcare professional is crucial before considering this medication in such scenarios.
Adverse Effects
Common adverse effects of Sildenafil 100 mg include headaches, flushing, and dyspepsia. These side effects are typically transient and resolve without intervention. Visual disturbances and dizziness may occur, requiring cautious use in tasks demanding alertness.
Severe side effects, though rare, demand prompt attention. These may include sudden hearing loss, vision impairment, and cardiovascular events. Patients should report unusual symptoms to their healthcare provider promptly.
Purchasing Viagra Extra Dosage Without a Prescription
Acquiring Viagra Extra Dosage without a prescription poses significant risks. Unauthorized vendors may distribute counterfeit products, compromising safety and efficacy. Self-medication can result in adverse reactions due to improper dosing and lack of medical guidance.
Healthcare consultation ensures that Viagra Extra Dosage is suitable for the individual. Prescription-based acquisition guarantees authenticity and aligns with medical oversight. Patients should prioritize their safety by adhering to regulated purchasing channels.
| Effect | Commonality |
|---|---|
| Headache | Common |
| Flushing | Common |
| Dizziness | Less Common |
| Sudden Vision Loss | Rare |