Red Viagra Pharmacokinetics
Red Viagra, known chemically as sildenafil citrate, plays a crucial role in erectile dysfunction therapy. Its pharmacokinetics hinge on absorption, metabolism, and elimination. The oral intake of Red Viagra leads to swift absorption. Peak plasma concentrations materialize within an hour post-administration. Bioavailability hovers around 40%, influenced by food intake.
Metabolism primarily occurs in the liver via cytochrome P450 enzymes, specifically CYP3A4 and CYP2C9. These enzymes break down sildenafil into active metabolites. The half-life stands at approximately four hours, facilitating its classification as a short-acting PDE5 inhibitor. Excretion occurs through both fecal and renal pathways.
Dosage Information
The recommended starting dosage for Red Viagra is 50 mg, taken as needed, approximately one hour before sexual activity. Dosage adjustments can lead to 25 mg or increase to 100 mg depending on efficacy and tolerance. It's important to avoid exceeding one dose within a 24-hour period.
Food, particularly high-fat meals, may delay the onset of action. Dosage modification may be required for elderly patients or those with hepatic or renal impairment. Consultation with healthcare professionals is vital for determining individual dosage needs.
Red Viagra Warnings
Red Viagra has specific warnings. It's contraindicated with nitrates due to severe hypotension risk. Caution is advised for patients with cardiovascular conditions. Sudden vision loss in one or both eyes may signal non-arteritic anterior ischemic optic neuropathy (NAION). Hearing impairment, sometimes permanent, can occur.
Priapism, an erection lasting over four hours, requires immediate medical attention. Liver function monitoring is necessary for those on concomitant CYP3A4 inhibitors. Allergic reactions or hypersensitivity to sildenafil or its components warrant immediate cessation.
Red Viagra Disposal
Proper disposal of Red Viagra ensures environmental safety. Unused or expired medication should not enter wastewater systems or regular household waste. Consult local pharmacy or waste disposal authorities for take-back programs.
Crushing or altering the form of the medication is inadvisable. Follow local regulations for pharmaceutical disposal. Ensuring proper discard mitigates risks to non-target organisms and human exposure.
Side Effects
Common side effects include headache, flushing, dyspepsia, and nasal congestion. Dizziness and visual disturbances might occur. Adverse reactions typically resolve within a few hours. Consult a healthcare provider if side effects persist or intensify.
Serious side effects require immediate medical attention. These include chest pain, shortness of breath, and severe dizziness. Interaction with other medications, particularly nitrates, can exacerbate side effects. Adherence to prescribed dosages mitigates risks.
Red Viagra For Sale
Red Viagra is available through prescription at pharmacies. Online purchases should be approached with caution. Verification of pharmacy credentials ensures the authenticity of the medication. Counterfeit drugs pose significant health risks.
Price comparisons between vendors can lead to cost-effective options. Be wary of prices significantly lower than market value, as these might indicate counterfeit products. Reputable vendors provide proper packaging and detailed instructions.
Attribute | Details |
---|---|
Active Ingredient | Sildenafil Citrate |
Dosage Form | Oral Tablet |
Onset of Action | 30-60 minutes |
Duration of Effect | Up to 4 hours |