Medical Requirements and Safety Considerations
Basic Eligibility Requirements
Viagra and sildenafil are prescription-only medicines available exclusively to adult men aged 18 and over who have been diagnosed with erectile dysfunction. These medications require a thorough medical assessment by a UK-licensed healthcare professional before prescribing. The clinical evaluation ensures the treatment is both safe and appropriate for each individual patient's circumstances.
Medical History Assessment
Healthcare providers must evaluate several key areas of your medical history before prescribing Viagra or sildenafil. This includes reviewing your cardiovascular health, as these medications can affect blood pressure and heart function. Patients with severe heart disease, recent heart attacks or strokes within the past six months, or very low blood pressure may not be suitable candidates for treatment.
Your liver and kidney function will also be assessed, as these organs process the medication. Those with severe liver impairment typically cannot take standard doses and may require alternative treatments. Additionally, any history of eye problems, particularly hereditary degenerative retinal disorders, must be disclosed during consultation.
Current Medications Review
One of the most critical aspects of the eligibility assessment involves reviewing all current medications and supplements. Viagra and sildenafil have potentially dangerous interactions with certain drugs, particularly nitrates used for chest pain or heart conditions. These include GTN spray, isosorbide mononitrate, and similar medications. The combination can cause severe drops in blood pressure that may be life-threatening.
Other medications that may affect eligibility include riociguat for pulmonary hypertension, certain HIV medications, antifungal treatments, and some antibiotics. Alpha-blockers used for prostate problems may also require dose adjustments or alternative treatment approaches.
Cardiovascular Health Considerations
Your cardiovascular fitness plays a significant role in determining eligibility for Viagra or sildenafil treatment. Sexual activity itself places demands on the heart, so healthcare providers must ensure patients can safely engage in physical activity. Those with unstable angina, uncontrolled high blood pressure, or recent cardiac events may need cardiology clearance before starting treatment.
Blood pressure medications don't automatically disqualify patients, but careful monitoring may be required. Some blood pressure drugs can interact with ED medications, potentially enhancing their blood pressure-lowering effects.
Age and Lifestyle Factors
While there's no upper age limit for Viagra or sildenafil use, older patients may require more careful assessment due to increased likelihood of underlying health conditions. Younger men experiencing erectile dysfunction should be thoroughly evaluated to identify any underlying causes that might require specific treatment.
Lifestyle factors such as alcohol consumption, smoking, and recreational drug use are also considered during assessment. Excessive alcohol can reduce the effectiveness of ED medications and increase the risk of side effects.
Choosing Between Viagra and Generic Sildenafil
Eligible patients at EverydayMeds can choose between branded Viagra and generic sildenafil at checkout. Both contain the same active ingredient and work identically, with generic sildenafil typically offered at a lower cost. The choice often comes down to personal preference and budget considerations, as both options undergo the same rigorous safety assessment process.












