Characteristic Details
Active Ingredient Sildenafil Citrate
Available Dosages 25 mg, 50 mg, 100 mg, 150 mg, 200 mg
Form Tablets
Usage Treatment of erectile dysfunction
Prescription Requirement Yes
Online Purchase More Information

Pharmacokinetics of Fildena

Fildena employs sildenafil citrate as its primary active component. This compound falls within the PDE5 inhibitor class. It promotes vasodilation and augments blood flow to specific areas. Upon oral administration, sildenafil achieves peak plasma concentrations within 30 to 120 minutes. Bioavailability stands at approximately 40%. Fat-rich meals can retard absorption and reduce peak plasma levels. The hepatic cytochrome P450 3A4 system metabolizes sildenafil extensively. Its primary metabolite, N-desmethylsildenafil, retains a similar pharmacological profile. The elimination half-life hovers around four hours.

Renal and hepatic impairments necessitate dosage adjustments. Reduced clearance prolongs the elimination phase in these populations. Concomitant administration with potent CYP3A4 inhibitors enhances sildenafil exposure. Such interactions necessitate vigilance and potential dosage modifications.

Correct Use of Fildena

Fildena addresses erectile dysfunction. Its administration should precede anticipated sexual activity by 30 to 60 minutes. The presence of high-fat meals can delay its onset of action. For optimal results, a fasting state is preferable. Patients should adhere strictly to prescribed doses. The recommended starting dose is 50 mg, which can be adjusted based on individual efficacy and tolerance.

Daily consumption should not exceed one dose. Alcohol consumption may exacerbate side effects and should be minimized. Engage in dialogue with healthcare providers before any deviation from the prescribed regimen. Such guidance is paramount for those with underlying health conditions.

Who Can and Cannot Take Fildena

Fildena is indicated for adult males experiencing erectile dysfunction. It is unsuitable for individuals under 18 or those with hypersensitivity to sildenafil. Cardiovascular risks warrant caution. Those with recent myocardial infarction, stroke, or severe arrhythmias should avoid its use. Patients with retinitis pigmentosa or severe liver impairment should consult healthcare providers.

The medication may not suit those with hypotension or uncontrolled hypertension. A thorough medical evaluation is crucial before initiation. Collaborative management with healthcare providers ensures safety and efficacy.

Cautions with Other Medicines

Fildena interacts with nitrates, causing significant hypotension. Avoid concurrent use with nitric oxide donors or guanylate cyclase stimulators. Caution is advised with alpha-blockers due to potential hypotensive interactions. Antiretroviral medications and other CYP3A4 inhibitors may increase sildenafil levels.

Conversely, CYP3A4 inducers could diminish its effectiveness. Patients should disclose all medications to their healthcare provider. This includes over-the-counter drugs and herbal supplements. Such transparency ensures optimal therapeutic outcomes and minimizes risks.

Potential Side Effects

Common side effects of sildenafil 100 mg include headache, flushing, and dyspepsia. Nasal congestion and visual disturbances may occur. These symptoms are generally transient. Seek immediate medical attention for prolonged erections exceeding four hours.

Sudden vision loss or hearing impairment requires urgent evaluation. Rare adverse effects encompass myocardial infarction and ventricular arrhythmias. Vigilance is warranted for those with cardiovascular predispositions.

Where to Buy Fildena Online

Fildena is available through licensed online pharmacies. Ensure that the pharmacy complies with regulatory standards. Verification of credentials prevents counterfeit products. Legitimate sites require prescriptions and offer pharmacist consultations.

Assess user reviews and ratings to ascertain reliability. Authorized platforms guarantee product authenticity and patient safety. Prioritize discretion, security, and customer service in your choice of vendor.