Sildenafil Eligibility and Safety Requirements
Primary Eligibility Criteria for Sildenafil
Sildenafil is specifically licensed for adult men aged 18 years and over who experience erectile dysfunction. According to BNF guidelines, candidates must undergo a comprehensive clinical assessment to evaluate their cardiovascular health, current medications, and medical history before treatment can commence.
The medication works as a PDE5 inhibitor, increasing blood flow to the penis when sexually aroused. Importantly, sildenafil requires sexual stimulation to be effective and does not cause automatic erections. Treatment typically begins with a 50mg dose, which can be adjusted to 25mg or 100mg based on individual response and tolerability.
Who Should Not Take Sildenafil
Several contraindications make sildenafil unsuitable for certain individuals. Men taking nitrates such as glyceryl trinitrate (GTN) spray or isosorbide medications must not use sildenafil due to dangerous blood pressure interactions. This combination can cause severe, potentially life-threatening hypotension.
Those with severe cardiovascular conditions including recent heart attack or stroke within six months, severe heart disease, or very low blood pressure should avoid sildenafil. Additionally, men with severe liver impairment, hereditary degenerative retinal disorders, or known allergies to sildenafil cannot safely use this medication.
Medical Assessment Requirements
UK regulations require all sildenafil prescriptions to follow clinical consultation with licensed prescribers. The assessment evaluates cardiovascular fitness for sexual activity, reviews current medications for potential interactions, and considers overall health status. This ensures treatment safety and effectiveness.
Particular attention focuses on blood pressure medications, as some combinations require dose adjustments or alternative treatments. Alpha-blockers, commonly prescribed for prostate conditions, may interact with sildenafil and require careful monitoring.
Age and Health Considerations
While there's no upper age limit for sildenafil use, older patients may be more susceptible to side effects and drug interactions. Men over 65 often start with lower 25mg doses to assess tolerance. Underlying health conditions common in older adults, such as diabetes or heart disease, require careful evaluation.
Young adults must demonstrate genuine medical need for erectile dysfunction treatment rather than recreational use. The clinical assessment ensures appropriate prescribing and excludes psychological factors that might benefit from alternative interventions.
Choosing Between Generic and Branded Options
EverydayMeds provides both generic sildenafil and branded Viagra containing identical active ingredients. Patients can choose their preferred option at checkout following successful clinical assessment. Generic sildenafil offers cost-effective treatment with equivalent efficacy to branded Viagra.
Both formulations undergo the same rigorous safety screening and require identical clinical considerations. The choice between generic and branded options often depends on personal preference and budget considerations rather than medical factors.












