Understanding Side Effects: Viagra vs Spedra Comparison
Common Side Effects of Viagra
Viagra (sildenafil) has been extensively studied since its introduction in 1998. The most frequently reported side effects include headaches (affecting up to 15% of users), facial flushing, indigestion, and nasal congestion. These side effects typically occur because sildenafil can affect blood vessels throughout the body, not just in the penile area. Visual disturbances, including a blue-tinted vision or increased light sensitivity, may occur in some patients due to mild effects on PDE6 enzymes in the retina.
Spedra's Side Effect Profile
Spedra (avanafil) was developed as a more selective PDE5 inhibitor, potentially resulting in fewer side effects. Clinical studies suggest that Spedra users experience headaches less frequently than with other ED medications, with rates around 9-12%. The medication is designed to have minimal impact on blood pressure and may cause less flushing and nasal congestion compared to sildenafil. This improved tolerability profile makes Spedra an attractive option for men who experience bothersome side effects with other treatments.
Onset and Duration Differences
One key advantage of Spedra is its faster onset of action, potentially working within 15-30 minutes compared to Viagra's typical 30-60 minute timeframe. Spedra's effects may last up to 6 hours, similar to Viagra's 4-6 hour duration. The faster onset can provide more spontaneity, though both medications require sexual stimulation to be effective. Food intake affects Spedra less than Viagra, where fatty meals can significantly delay effectiveness.
Choosing Between Branded and Generic Options
At EverydayMeds, patients consulting for Viagra treatment can choose between the branded version or generic sildenafil at checkout. Generic sildenafil contains the same active ingredient as Viagra but costs significantly less. Both options undergo the same rigorous UK safety standards and require prescription following consultation with our registered prescribers. This choice allows patients to access effective treatment while managing their healthcare budget according to personal preferences.
Safety Considerations and Contraindications
Both Viagra and Spedra share important safety contraindications. Neither should be taken with nitrate medications (such as GTN spray) due to dangerous blood pressure drops. Men with severe cardiovascular disease, recent heart attacks, or uncontrolled blood pressure should not use either medication without specialist approval. Our online consultation process carefully evaluates medical history and current medications to ensure safe prescribing. Patients taking alpha-blockers for prostate problems may require dose adjustments with either medication.
Clinical Effectiveness Comparison
Clinical studies show both medications achieve similar effectiveness rates, with 60-85% of men experiencing improved erections sufficient for sexual intercourse. Spedra may have slight advantages in men with diabetes or mild cardiovascular conditions due to its selectivity. However, individual responses vary considerably, and what works best depends on personal factors including underlying health conditions, other medications, and lifestyle factors. Some men may find one medication more suitable than another based on timing preferences and side effect tolerance.












